Used 2020 GMC Yukon XL for SaleNationwide

Compare 2020 GMC Yukon XL Trims

The 2020 GMC Yukon XL offers a range of trims from budget-friendly options to luxury models, catering to various needs and preferences.

• Starting at $24,690
• Best MPG/MPGe: 15 city / 22 hwy
• Most Popular: Denali 4WD

Trim Overview

Prices updated weekly from CarGurus listings.

Quick Compare Table

Listing prices sourced from CarGurus — updated weekly. OEM specs from manufacturer data.

Missing data displayed as "—".

Trim Deep Dives

SLE RWD — "Who It's For"

The SLE RWD is the pick for shoppers who want a budget-friendly SUV without sacrificing essential features.

• Avg. market price: $24,690 (updated weekly)
• MPG/MPGe: 15 city / 22 hwy
• Inventory: 64 listings — lower availability; may limit negotiating room
• View SLE RWD listings

SLE 4WD — "Who It's For"

The SLE 4WD is the pick for shoppers who want all-wheel drive capabilities without stepping up to a higher price point.

• Avg. market price: $27,760 (updated weekly)
• MPG/MPGe: 14 city / 21 hwy
• Inventory: 158 listings — lower availability; may limit negotiating room
• View SLE 4WD listings

SLT RWD — "Who It's For"

The SLT RWD is the pick for shoppers who want a blend of luxury and practicality without the highest price tag.

• Avg. market price: $25,038 (updated weekly)
• MPG/MPGe: 15 city / 22 hwy
• Inventory: 422 listings
• View SLT RWD listings

SLT 4WD — "Who It's For"

The SLT 4WD is the pick for shoppers who want luxury features with the added benefit of all-wheel drive.

• Avg. market price: $26,427 (updated weekly)
• MPG/MPGe: 14 city / 21 hwy
• Inventory: 1,195 listings — widest selection in the lineup
• View SLT 4WD listings

Denali RWD — "Who It's For"

The Denali RWD is the pick for shoppers who want a luxury SUV experience without the highest price tag.

• Avg. market price: $27,078 (updated weekly)
• MPG/MPGe: 14 city / 23 hwy
• Inventory: 425 listings
• View Denali RWD listings

Denali 4WD — "Who It's For"

The Denali 4WD is the pick for shoppers who want the ultimate luxury and performance in an SUV.

• Avg. market price: $31,674 (updated weekly)
• MPG/MPGe: 14 city / 20 hwy
• Inventory: 2,579 listings — widest selection in the lineup
• View Denali 4WD listings

Trim Recommendations

Most Popular — Denali 4WD

With 2,579 active listings, the Denali 4WD is the clear volume leader in the lineup.

Browse Denali 4WD listings

Best Budget Option — SLE RWD

At $24,690 avg market price — below the lineup median of $26,752 — it's the most accessible entry point.

Browse SLE RWD listings

Best for Fuel Economy — SLE RWD

The SLE RWD offers the best fuel economy in the lineup at 15/22 MPG/MPGe.

Browse SLE RWD listings

These recommendations are based on CarGurus' proprietary market data from September 2, 2026, CarGurus experts' opinions, and generative AI.

How much does the 2020 GMC Yukon XL cost?

Prices have softened 13.31% compared to this time last year, making it a favorable time to shop this model year.

There are 1,367 listings available, which suggests you should have a reasonable amount of inventory to compare.

If you find a listing below $28,276.52, that's toward the low end of the year-round range and worth acting on quickly.

Is the 2020 GMC Yukon XL a good car?

Yes — the 2020 GMC Yukon XL earns a 5/5 user rating, which points to strong owner satisfaction. It is built around space, utility, and traditional truck-based toughness, so it fits you best if you want serious passenger and cargo capacity rather than crossover-style packaging. Its long-wheelbase design gives you more room inside than the regular Yukon, especially for third-row passengers and luggage behind them. 32.8% of listings are priced as good or great deals, which gives you some room to shop selectively.

Is the 2020 GMC Yukon XL reliable?

Owners rate it 5/5, a strong signal of long-term satisfaction.

The 2020 Yukon XL’s truck-based layout, solid rear axle, and focus on utility suggest a durable design built for heavy family and hauling use. Its appeal is strongest if you want a large SUV that can tow, carry people, and handle everyday duty without trying to mimic a crossover. For used buyers, the main long-term ownership risk is that a vehicle this size can be costly to run and maintain if it has been worked hard or neglected.

What should I look for when buying a used 2020 GMC Yukon XL?

At 69% 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 ones with prior damage or repeated claims. Then prioritize a thorough pre-purchase inspection, especially on suspension, brakes, tires, and interior wear, since these SUVs are often used for family hauling and towing. Focus on overall condition and maintenance records, because a well-kept example will matter more than mileage alone.

Is now a good time to buy a used 2020 GMC Yukon XL?

This is a moderate, selective buyer’s market, so you can shop patiently while still moving quickly on the right listing.

• Deal availability: 32.8% of listings are priced as good or great deals.
• Inventory: There are 1,367 listings available.
• Price trend: Prices have softened 13.31% compared with last year.
• Clean inventory: 69.0% of listings are accident-free.

If you find a listing below $28,276.52, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2020 GMC Yukon XL's resale value?

The current average of $28,648 sits slightly below last year's $33,048.

That decline suggests the market has already adjusted downward, which can help you buy at a more favorable entry point today. For a future seller, it also means your resale outcome will depend heavily on condition, mileage, and how well the vehicle has been maintained. Large SUVs with strong utility can still hold buyer interest, but you should expect value to track closely with overall market demand and vehicle condition.

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 2020 GMC Yukon XL or consider a different year?

If you're weighing the 2020 against nearby model years, here's how to think about it:

Choose the 2020 if:

• 32.8% of listings are priced as good or great deals.
• At 69% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 13.31% compared with last year.
• Owners rate it 5/5 — a strong satisfaction signal.

The bottom line:

If you want the classic Yukon XL formula of maximum space, truck-based toughness, and a more traditional driving experience, the 2020 is the right year to target. If your priority is finding the lowest possible purchase price, you can also compare nearby years and focus on the cleanest, best-maintained example rather than chasing a specific badge year.

These recommendations are based on CarGurus' proprietary market data from September 4, 2026, CarGurus experts' opinions, and generative AI.