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 14.00% compared to this time last year, making it a favorable time to shop this model year.

There are 1,382 listings available, which gives you a solid amount of inventory to compare before you buy.

Is the 2020 GMC Yukon XL a good car?

Yes — the 5/5 user rating points to strong owner satisfaction for this model year. The 2020 Yukon XL is built around space, utility, and traditional truck-based toughness, with a long-wheelbase layout that gives you extra third-row room and more cargo space behind it. It also fits buyers who want a large family hauler with serious carrying ability, while the tradeoffs are poor fuel economy, handling that trails car-based crossovers, and older technology that can feel dated. With 32.6% of listings marked as good or great deals, you have a decent chance of finding a value-oriented example.

Is the 2020 GMC Yukon XL reliable?

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

The 2020 Yukon XL’s appeal comes from its rugged, truck-based character, solid rear axle, and straightforward large-SUV mission, which can be reassuring if you want something built for heavy use. Its core strengths are space, utility, and configurability rather than cutting-edge complexity. For used buyers, the main long-term ownership risk is that a large, older-tech SUV can become expensive if prior maintenance has been inconsistent.

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

At 70.3% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.

You should run a vehicle history report before you commit, then prioritize a pre-purchase inspection that checks for body repairs, suspension wear, and signs of hard use. Focus on overall condition, because a large SUV like this can hide expensive wear if it has been used heavily for family hauling or towing. If a listing has a clean history and strong maintenance records, it deserves extra attention.

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

This looks like a moderate, selective buyer’s market, so you can shop carefully without feeling rushed.

• Deal availability: 32.6% of listings are priced as good or great deals.
• Inventory: There are 1,382 listings available.
• Price trend: Prices have softened 14.00% compared with last year.
• Clean inventory: 70.3% of listings are accident-free.

If you find a listing below $28,285, 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 $28,568 sits slightly below last year's $33,217.

That price movement suggests the market has cooled, which can help you buy more affordably now but may also limit upside if you plan to sell soon. For a future seller, the key is to buy a well-kept example and avoid overpaying, because a softer market can compress resale margins. Strong condition and clean history matter more when prices are already trending down.

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:

• 32.6% of listings are priced as good or great deals.
• At 70.3% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 14.00% compared with last year.
• Owners rate it 5/5 — a strong satisfaction signal.

The bottom line:

If you want the best balance of price, inventory, and the classic Yukon XL formula, the 2020 is the primary year to target. If you’re especially price-sensitive, you can also compare nearby years to see whether a cleaner or better-equipped example fits your budget more comfortably, but the 2020 already gives you a favorable mix of value and availability.

These recommendations are based on CarGurus' proprietary market data from September 11, 2026, CarGurus experts' opinions, and generative AI.