Used 2021 GMC Terrain for SaleNationwide
Shop with transparent pricing.
Only show listings that include dealer fees- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Black (Ebony Twilight Metallic)
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 103,800
- Stock #:
- N26130B
- VIN:
- 3GKALVEVXLL102298
2020 GMC Terrain
SLT AWD
103,800 mi
$14,173
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- Summit White
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 84,211
- Stock #:
- 460502
- VIN:
- 3GKALSEXXLL287839
-$800
2020 GMC Terrain
Denali FWD
84,211 mi
$17,398
$16,598
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Gray (SATIN STEEL METALLIC)
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Mileage:
- 47,857
- Stock #:
- X6941
- VIN:
- 3GKALMEVXLL211189
-$1,109
2020 GMC Terrain
SLE FWD
47,857 mi
$17,697
$17,287
- Year:
- 2022
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 170 hp 1.5L I4
- Exterior color:
- White
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 42,674
- Stock #:
- R0216
- VIN:
- 3GKALXEV4NL305766
2022 GMC Terrain
Denali AWD
42,674 mi
$23,998
- Year:
- 2022
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 170 hp 1.5L I4
- Exterior color:
- Summit White
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 75,904
- Stock #:
- 26706B
- VIN:
- 3GKALYEV4NL285301
-$2,000
2022 GMC Terrain
AT4 AWD
75,904 mi
$22,149
$20,149
- Year:
- 2022
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 170 hp 1.5L I4
- Exterior color:
- Summit White
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 65,893
- Stock #:
- NL118377
- VIN:
- 3GKALMEV2NL118377
2022 GMC Terrain
SLE FWD
65,893 mi
$17,480
- Year:
- 2021
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 170 hp 1.5L I4
- Exterior color:
- Gray
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 89,361
- Stock #:
- D6737A
- VIN:
- 3GKALPEV0ML325995
2021 GMC Terrain
SLT FWD
89,361 mi
$17,289
- Year:
- 2021
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 170 hp 1.5L I4
- Exterior color:
- Summit White
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 31,681
- Stock #:
- G364907B
- VIN:
- 3GKALVEV6ML349576
-$699
2021 GMC Terrain
SLT AWD
31,681 mi
$23,694
$23,194
- Year:
- 2022
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 170 hp 1.5L I4
- Exterior color:
- White Frost Tricoat
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray (Light Platinum/Dark Galvanized)
- Transmission:
- 9-Speed Automatic
- Mileage:
- 14,239
- Stock #:
- 602309
- VIN:
- 3GKALXEV7NL279163
2022 GMC Terrain
Denali AWD
14,239 mi
$27,270
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Black (Ebony Twilight Metallic)
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 67,698
- Stock #:
- GM6877B
- VIN:
- 3GKALMEV1LL305218
2020 GMC Terrain
SLE FWD
67,698 mi
$16,260
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Summit White
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 76,622
- Stock #:
- KT1047-1
- VIN:
- 3GKALMEV1LL126841
-$390
2020 GMC Terrain
SLE FWD
76,622 mi
$16,818
$16,428
- Year:
- 2022
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 170 hp 1.5L I4
- Exterior color:
- Black
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 61,983
- Stock #:
- G439443A
- VIN:
- 3GKALMEV9NL309181
2022 GMC Terrain
SLE FWD
61,983 mi
$19,085
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Quicksilver Metallic
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 73,615
- Stock #:
- SP4159
- VIN:
- 3GKALVEV8LL251342
2020 GMC Terrain
SLT AWD
73,615 mi
$18,207
CarGurus Analysis:
2021 GMC Terrain
With 2,484 currently listed for sale and an average price of $18,245, 32.9% of 2021 GMC Terrains for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2021 GMC Terrain 5 / 5 stars.
74.6% of 2021 Terrain models on CarGurus are accident free.
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- Red Quartz Tintcoat
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 21,478
- Stock #:
- W176412A
- VIN:
- 3GKALVEX1LL217535
2020 GMC Terrain
SLT AWD
21,478 mi
$23,273
- Year:
- 2021
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 170 hp 1.5L I4
- Exterior color:
- Graphite Gray Metallic
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 46,487
- Stock #:
- ML324701
- VIN:
- 3GKALVEV1ML324701
2021 GMC Terrain
SLT AWD
46,487 mi
$20,486
- Year:
- 2022
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 170 hp 1.5L I4
- Exterior color:
- Hunter Metallic
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray (Light Platinum/Dark Galvanized)
- Transmission:
- 9-Speed Automatic
- Mileage:
- 57,979
- Stock #:
- 7U0545
- VIN:
- 3GKALXEV5NL212545
2022 GMC Terrain
Denali AWD
57,979 mi
$24,489
- Year:
- 2022
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 170 hp 1.5L I4
- Exterior color:
- Summit White
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 57,888
- Stock #:
- 10401XX
- VIN:
- 3GKALYEV6NL198015
2022 GMC Terrain
AT4 AWD
57,888 mi
$21,349
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Exterior color:
- Gray (Satin Steel Metallic)
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 69,346
- Stock #:
- 41P1096
- VIN:
- 3GKALVEX7LL289338
-$1,599
2020 GMC Terrain
SLT AWD
69,346 mi
$18,743
$17,943
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- Black (Ebony Twilight Metallic)
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Gasoline
- Interior color:
- Medium Ash Gray/Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 54,801
- Stock #:
- LL295617
- VIN:
- 3GKALVEX8LL295617
2020 GMC Terrain
SLT AWD
54,801 mi
$18,581
- Year:
- 2021
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 170 hp 1.5L I4
- Exterior color:
- Blue Emerald Metallic
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 64,882
- Stock #:
- VK206419A
- VIN:
- 3GKALVEV1ML374353
2021 GMC Terrain
SLT AWD
64,882 mi
$20,532
- Year:
- 2022
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 170 hp 1.5L I4
- Exterior color:
- Black (Ebony Twilight Metallic)
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 52,621
- Stock #:
- 3326A
- VIN:
- 3GKALVEV4NL132514
-$715
2022 GMC Terrain
SLT AWD
52,621 mi
$23,245
$22,745
- Year:
- 2022
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 170 hp 1.5L I4
- Exterior color:
- Black (Ebony Twilight Metallic)
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 40,523
- Stock #:
- G270007A
- VIN:
- 3GKALTEV5NL264993
2022 GMC Terrain
SLE AWD
40,523 mi
$21,313
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- Smokey Quartz Metallic
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 104,135
- Stock #:
- 26684A
- VIN:
- 3GKALPEX7LL112025
-$2,200
2020 GMC Terrain
SLT FWD
104,135 mi
$18,287
$16,087
CarGurus Analysis: 2021 GMC Terrain
Summary
With 2,484 currently listed for sale and an average price of $18,245, 32.9% of 2021 GMC Terrains for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2021 GMC Terrain 5 / 5 stars.
74.6% of 2021 Terrain models on CarGurus are accident free.
Why it stands out
The 2021 GMC Terrain stands out as a compact SUV that leans more toward comfort, value, and everyday usability than outright performance. It offers a roomy cabin for four adults, or five at a pinch, and its smooth ride and fuel efficiency are recurring strengths. Owners also tend to appreciate the stylish interior and the generous feature set, which helps the Terrain feel well equipped for the money.
For 2021, the Terrain’s powertrain lineup was simplified to the 1.5-liter turbocharged engine, so buyers looking at this model year get a straightforward setup rather than a wide range of choices. That engine is paired with either a continuously variable automatic transmission in front-wheel-drive models or an eight-speed automatic with all-wheel drive, and all-wheel-drive versions also gain a higher towing capacity. The Terrain’s safety equipment is another highlight, with features such as adaptive cruise control, lane keep assist with lane departure warning, enhanced automatic emergency braking, front pedestrian and bicyclist braking, intersection automatic emergency braking, rear cross traffic braking, reverse automatic braking, side bicyclist alert, and blind zone steering assist.
The main tradeoff is cargo space. The Terrain has 30 cubic feet behind the rear seats and up to 64 cubic feet with them folded, which is smaller than some key rivals. Some owners also mention minor omissions, including the lack of a standard auto wiper feature and a desire for stronger blind spot protection. Even so, the 2021 GMC Terrain remains appealing for shoppers who want a comfortable, well-equipped small SUV with good efficiency and a polished feel.
Other model years to consider
- Average price: $24,193
- Good/great deal percentage: 34.1%
- User rating: 5 / 5
- Total listings: 5,457
- Average price: $24,295
- Good/great deal percentage: 34.5%
- User rating: 5 / 5
- Total listings: 4,827
- Average price: $21,707
- Good/great deal percentage: 33.5%
- User rating: 4.83 / 5
- Total listings: 3,099
This analysis is based on CarGurus' proprietary market data from September 28, 2026, CarGurus experts' opinions, and generative AI.
*CarGurus meticulously monitors the prices of millions of pre-owned vehicle listings, offering users precise and up-to-date market insights. Historical pricing data excludes any additional dealer fees as of May 3, 2026.
5.0 Overall rating
Filter by rating
Deborah W
Reviewed a 2021 GMC Terrain on Nov 20, 2023
It had everything and more in the features that I was looking for. I think it was a good value for all that it offered.
Assata B
Reviewed a 2021 GMC Terrain on Apr 22, 2021
Very nice interior. Excellent options. We went with a black on black model but would have purchased this one if the other had not been available.
Destiney K
Reviewed a 2021 GMC Terrain on Oct 28, 2021
I absolutely adore my Terrain! I love everything about it. Not too big, not too small. Zero complaints. If I did have to make a suggestion I would say blind spot protection, and maybe a bigger screen that shows your speed but not deal breakers and simply just suggestions :)
Ja'Nette J
Reviewed a 2021 GMC Terrain on Apr 5, 2024
I love the Terrain! It drives great and has a smoothest ride. It also is good on gas.
Compare 2021 GMC Terrain Trims
The 2021 GMC Terrain offers a range of trims from budget-friendly options to more luxurious models, all featuring efficient engines and versatile drivetrains.
- Starting at $17,203
- Best MPG/MPGe: 25 city / 30 hwy
- Most Popular: SLT AWD
Trim Overview
Prices updated weekly from CarGurus listings.
| SLE FWD | SLE AWD | SLT FWD | SLT AWD (Most Popular) | Denali FWD | Denali AWD | |
|---|---|---|---|---|---|---|
| Starting MSRP | $28,500 | $30,100 | $32,600 | $34,200 | $35,900 | $37,500 |
| Avg. Market Price | $17,203 | $18,629 | $17,614 | $18,786 | $23,987 | $22,950 |
| Positioning | Best value | AWD for less | Standard | Sport + AWD | Standard | Trail-ready |
| Standout Features | Bluetooth, Backup Camera | Bluetooth, Backup Camera | Bluetooth, Heated Seats | Bluetooth, Heated Seats | Bluetooth, Heated Seats | Navigation System, Heated Seats |
| Drivetrain | FWD | 4X4 | FWD | 4X4 | FWD | 4X4 |
| Listings Available | 1,557 | 1,894 | 800 | 2,034 | 60 | 1,129 |
Quick Compare Table
Listing prices sourced from CarGurus — updated weekly. OEM specs from manufacturer data.
| SLE FWD | SLE AWD | SLT FWD | SLT AWD | Denali FWD | Denali AWD | |
|---|---|---|---|---|---|---|
| AI Summary | Best value for budget-conscious shoppers | Affordable AWD option with good features | Standard trim with added comfort | Most popular with sporty features | Luxurious features with limited availability | Premium features for off-road capability |
| Avg. Market Price | $17,203 | $18,629 | $17,614 | $18,786 | $23,987 | $22,950 |
| MSRP | $28,500 | $30,100 | $32,600 | $34,200 | $35,900 | $37,500 |
| Engine | 1.5L 170 hp I4 | 1.5L 170 hp I4 | 1.5L 170 hp I4 | 1.5L 170 hp I4 | 1.5L 170 hp I4 | 1.5L 170 hp I4 |
| Drivetrain | FWD | 4X4 | FWD | 4X4 | FWD | 4X4 |
| MPG/MPGe (City/Hwy) | 25/30 | 25/28 | 25/30 | 25/28 | 25/30 | 25/28 |
| Bluetooth | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Backup Camera | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| CarPlay | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Android Auto | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Remote Start | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Heated Seats | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Parking Sensors | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Blind Spot Monitoring | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Adaptive Cruise Control | ✓ | ✓ | ✓ | — | — | — |
| Leather Seats | — | — | ✓ | ✓ | ✓ | ✓ |
| Navigation System | — | — | — | ✓ | ✓ | ✓ |
| Active Listings | 1,557 | 1,894 | 800 | 2,034 | 60 | 1,129 |
Missing data displayed as "—".
Trim Deep Dives
SLE FWD — "Who It's For"
The SLE FWD is the pick for shoppers who want essential features without paying for extras. It's the most budget-friendly option in the lineup.
- Avg. market price: $17,203 (updated weekly)
- MPG/MPGe: 25 city / 30 hwy
- Inventory: 1,557 listings — widest selection in the lineup
- View SLE FWD listings
SLE AWD — "Who It's For"
The SLE AWD is the pick for shoppers who want all-wheel drive without a hefty price tag. It balances affordability with capability.
- Avg. market price: $18,629 (updated weekly)
- MPG/MPGe: 25 city / 28 hwy
- Inventory: 1,894 listings — widest selection in the lineup
- View SLE AWD listings
SLT FWD — "Who It's For"
The SLT FWD is the pick for shoppers who want a standard trim with added comfort features. It offers a good mix of luxury and value.
- Avg. market price: $17,614 (updated weekly)
- MPG/MPGe: 25 city / 30 hwy
- Inventory: 800 listings
- View SLT FWD listings
SLT AWD — "Who It's For"
The SLT AWD is the pick for shoppers who want sporty features and all-wheel drive. It's the most popular trim, appealing to a wide audience.
- Avg. market price: $18,786 (updated weekly)
- MPG/MPGe: 25 city / 28 hwy
- Inventory: 2,034 listings — widest selection in the lineup
- View SLT AWD listings
Denali FWD — "Who It's For"
The Denali FWD is the pick for shoppers who want luxury features in a standard configuration. It offers premium comfort but has limited availability.
- Avg. market price: $23,987 (updated weekly)
- MPG/MPGe: 25 city / 30 hwy
- Inventory: 60 listings — lower availability; may limit negotiating room
- View Denali FWD listings
Denali AWD — "Who It's For"
The Denali AWD is the pick for shoppers who want a premium experience with off-road capability. It combines luxury with performance.
- Avg. market price: $22,950 (updated weekly)
- MPG/MPGe: 25 city / 28 hwy
- Inventory: 1,129 listings — widest selection in the lineup
- View Denali AWD listings
Trim Recommendations
Most Popular — SLT AWD
With 2,034 active listings, the SLT AWD is the clear volume leader in the lineup.
Best Budget Option — SLE FWD
At $17,203 avg market price — below the lineup median of $18,707 — it's the most accessible entry point.
Best for Fuel Economy — SLE FWD
The SLE FWD offers the best fuel economy in the lineup with 25/30 MPG.
These recommendations are based on CarGurus' proprietary market data from September 24, 2026, CarGurus experts' opinions, and generative AI.
*CarGurus meticulously monitors the prices of millions of pre-owned vehicle listings, offering users precise and up-to-date market insights. Historical pricing data excludes any additional dealer fees as of May 3, 2026.
2021 GMC Terrain Price Trends
CarGurus tracks the prices of millions of used car listings every year. See how the average price of 2021 GMC Terrain prices has changed over time.
See more price trends2021 GMC Terrain Pricing Analysis
Pricing by Popular US Cities
Market Area: Nationwide
Key Insights
- Highest-Price Market: Washington, DC leads with an average price of $19,631, indicating a premium market for the Terrain.
- Best Value: Houston, TX offers the lowest average price at $13,758, presenting a significant opportunity for budget-conscious shoppers.
- Inventory Drives Stability: Chicago, IL has the most listings at 191, suggesting a robust supply that may help stabilize prices in the area.
City-Level Pricing
| City | Total Listings | Avg Price |
|---|---|---|
| Chicago, IL | 191 | $17,073 |
| New York, NY | 188 | $16,249 |
| Atlanta, GA | 158 | $17,322 |
| Philadelphia, PA | 156 | $18,302 |
| Boston, MA | 145 | $16,176 |
| Houston, TX | 143 | $13,758 |
| Washington, DC | 136 | $19,631 |
| Dallas, TX | 127 | $16,260 |
| Miami, FL | 100 | $15,881 |
| Los Angeles, CA | 78 | $15,148 |
Pricing by Trim Packages
Key Insights
- Volume Leader: The SLT AWD trim has the highest inventory with 2,007 listings, indicating strong demand for this configuration.
- Premium Spread: The Denali AWD trim, priced at $37,500, shows a significant premium over the SLE FWD trim at $28,500, highlighting the value of luxury features.
- Drivetrain Effect: All trims feature the same engine, but the AWD variants generally command higher prices, reflecting consumer preference for all-wheel drive.
Trim-Level Details
| Trim | Listings | MSRP | Drivetrain | Engine |
|---|---|---|---|---|
| SLT AWD | 2,007 | $34,200 | 4X4 | 1.5L 170 hp I4 |
| SLE AWD | 1,882 | $30,100 | 4X4 | 1.5L 170 hp I4 |
| SLE FWD | 1,525 | $28,500 | FWD | 1.5L 170 hp I4 |
| Denali AWD | 1,112 | $37,500 | 4X4 | 1.5L 170 hp I4 |
| SLT FWD | 801 | $32,600 | FWD | 1.5L 170 hp I4 |
| Denali FWD | 60 | $35,900 | FWD | 1.5L 170 hp I4 |
Pricing Analysis by Model Year
Key Insights
- New-Car Premium: The 2027 model year shows an average price of $44,682, reflecting a 47.0% premium over its starting MSRP, indicating strong demand for newer models.
- Depreciation Curve: The 2016 model year has experienced the steepest depreciation at -57.3%, suggesting significant value loss as vehicles age.
- Best Value Sweet Spot: The 2025 model year is priced at $27,868, which is the best value compared to its starting MSRP, making it an attractive option for buyers.
Model Year Pricing
| Model Year | Starting MSRP | Avg Price | Avg Price vs Starting MSRP |
|---|---|---|---|
| 2027 | $30,400 | $44,682 | +47.0% |
| 2026 | $30,200 | $31,679 | +4.9% |
| 2025 | $30,000 | $27,868 | -7.1% |
| 2024 | $28,700 | $24,918 | -13.2% |
| 2023 | $29,900 | $24,248 | -18.9% |
| 2022 | $28,150 | $21,836 | -22.4% |
| 2021 | $25,000 | $18,172 | -27.3% |
| 2020 | $25,000 | $17,560 | -29.8% |
| 2019 | $25,000 | $15,766 | -36.9% |
| 2018 | $24,995 | $14,184 | -43.3% |
| 2017 | $24,070 | $13,693 | -43.1% |
| 2016 | $23,975 | $10,249 | -57.3% |
These recommendations are based on CarGurus' proprietary market data from September 30, 2026, CarGurus experts' opinions, and generative AI.
*CarGurus meticulously monitors the prices of millions of pre-owned vehicle listings, offering users precise and up-to-date market insights. Historical pricing data excludes any additional dealer fees as of May 3, 2026.
How much does the 2021 GMC Terrain cost?
| Metric | Value |
|---|---|
| Current Average Price | $18,232 |
| Year-Round Low | $18,232 |
| Year-Round High | $20,193 |
| Average Price a Year Ago | $20,191 |
| Change vs. Last Year | −9.71% |
Prices have softened 9.71% compared to this time last year, making it a favorable time to shop this model year.
There are 2,468 listings available, which gives you a solid pool to compare prices and conditions.
Is the 2021 GMC Terrain a good car?
Yes — the 2021 GMC Terrain earns a 5/5 user rating, which points to strong owner satisfaction. Drivers repeatedly praise its stylish interior, feature set, smooth ride, and fuel efficiency, and they also see it as a strong value for the money. For you, that makes it a sensible pick if you want a comfortable compact SUV that emphasizes everyday usability over sporty performance. With 33.5% of listings marked as good or great deals, there is still meaningful market opportunity if you shop carefully.
Is the 2021 GMC Terrain reliable?
Owners rate it 5/5, a strong signal of long-term satisfaction.
The owner feedback also emphasizes dependable everyday use, with repeated praise for the Terrain’s smooth ride, fuel efficiency, and overall value. That combination suggests you’re looking at a model that many drivers feel comfortable living with over time. For used buyers, the main long-term ownership risk is less about broad dissatisfaction and more about finding a well-kept example that avoids minor wear or neglected maintenance.
What should I look for when buying a used 2021 GMC Terrain?
At 74.8% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
You should start with a vehicle history report so you can separate clean examples from those with prior damage. Then prioritize a thorough pre-purchase inspection, especially if the listing price looks unusually attractive. Focus on overall condition, repair quality, and signs of uneven wear, since those details matter more when a sizable share of the market has accident history.
Is now a good time to buy a used 2021 GMC Terrain?
This looks like a moderate, selective buyer’s market, so you can shop with some leverage if you stay disciplined.
- Deal availability: 33.5% of listings are priced as good or great deals.
- Inventory: There are 2,468 listings available.
- Price trend: Prices have softened 9.71% compared with last year.
- Clean inventory: 74.8% of listings are accident-free.
If you find a listing below $18,232, that's toward the low end of the year-round range and worth acting on quickly.
What is the 2021 GMC Terrain's resale value?
The current average of $18,232 sits slightly below last year's $20,191.
That price movement suggests the Terrain has already absorbed some depreciation, which can help future sellers if the market stabilizes. If you buy at the right price now, you may have less downside left than a shopper who paid closer to last year’s average. Strong demand for well-reviewed, well-equipped examples can also help support resale interest when it’s time to sell.
Vehicles with strong owner satisfaction ratings, like this model year's 5/5, tend to retain buyer demand, which supports resale value over time.
Should I buy a 2021 GMC Terrain or consider a different year?
If you're weighing the 2021 against nearby model years, here's how to think about it:
Choose the 2021 if:
- 33.5% of listings are priced as good or great deals.
- At 74.8% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
- Price trend: Prices have softened 9.71% compared with last year.
- Owners rate it 5/5 — a strong satisfaction signal.
Consider the 2022 if:
- At $21,692, the 2022 costs more than the current year's $18,232 average.
- It adds an AT4 trim with standard all-wheel drive and a more rugged look.
The bottom line: You should lean toward the 2021 if you want the better value and a strong owner-satisfaction profile. If you’re willing to pay more for the newer model year’s rugged AT4 option and updated positioning, the 2022 is the secondary path for buyers who prioritize that extra styling and hardware.
These recommendations are based on CarGurus' proprietary market data from September 29, 2026, CarGurus experts' opinions, and generative AI.
*CarGurus meticulously monitors the prices of millions of pre-owned vehicle listings, offering users precise and up-to-date market insights. Historical pricing data excludes any additional dealer fees as of May 3, 2026.
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