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 $23,523
• 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 well-equipped SUV without paying for luxury features. It's a solid choice for families needing space.

• Avg. market price: $25,090 (updated weekly)
• MPG/MPGe: 15 city / 22 hwy
• Inventory: 71 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 without a hefty price tag. It balances capability and features well.

• Avg. market price: $26,108 (updated weekly)
• MPG/MPGe: 14 city / 21 hwy
• Inventory: 153 listings — lower availability; may limit negotiating room
• View SLE 4WD listings

SLT Standard Edition RWD — "Who It's For"

The SLT Standard Edition RWD is the pick for shoppers who want a standard trim with added comfort features. It's ideal for those who prioritize interior quality.

• Avg. market price: $28,980 (updated weekly)
• MPG/MPGe: 15 city / 22 hwy
• Inventory: 11 listings — lower availability; may limit negotiating room
• View SLT Standard Edition RWD listings

SLT RWD — "Who It's For"

The SLT RWD is the pick for shoppers who want a well-rounded SUV with luxury touches. It offers a good mix of features and value.

• Avg. market price: $23,523 (updated weekly)
• MPG/MPGe: 15 city / 22 hwy
• Inventory: 436 listings
• View SLT RWD listings

SLT 4WD — "Who It's For"

The SLT 4WD is the pick for shoppers who want all-wheel drive with luxury features. It’s perfect for those needing versatility and comfort.

• Avg. market price: $26,417 (updated weekly)
• MPG/MPGe: 14 city / 21 hwy
• Inventory: 1,200 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 luxury without the 4WD price. It combines premium features with a spacious interior.

• Avg. market price: $26,732 (updated weekly)
• MPG/MPGe: 14 city / 23 hwy
• Inventory: 429 listings
• View Denali RWD listings

Denali 4WD — "Who It's For"

The Denali 4WD is the pick for shoppers who want the ultimate luxury SUV with off-road capability. It’s the most popular trim for good reason.

• Avg. market price: $31,490 (updated weekly)
• MPG/MPGe: 14 city / 20 hwy
• Inventory: 2,614 listings — widest selection in the lineup
• View Denali 4WD listings

Trim Recommendations

Most Popular — Denali 4WD

With 2,614 active listings, the Denali 4WD is the clear volume leader in the lineup.

Browse Denali 4WD listings

Best Budget Option — SLT RWD

At $23,523 avg market price — below the lineup median of $26,417 — it's the most accessible entry point.

Browse SLT RWD listings

Best for Fuel Economy — SLE RWD

The SLE RWD offers the best fuel economy in the lineup at 15 city / 22 hwy.

Browse SLE RWD listings

These recommendations are based on CarGurus' proprietary market data from September 12, 2026, CarGurus experts' opinions, and generative AI.

How much does the 2020 GMC Yukon XL cost?

Prices have softened 14.06% compared to this time last year, making it a favorable time to shop this model year.

There are 1,373 listings available, which gives you a solid pool to compare prices and equipment.

Is the 2020 GMC Yukon XL a good car?

Yes — 5/5 is a strong user rating for the 2020 GMC Yukon XL, and it lines up with its core strengths as a spacious, utility-focused full-size SUV. The overview points to a long-wheelbase layout, generous third-row room, and substantial cargo space, so it fits you well if you need a large family hauler with serious carrying ability. It also emphasizes truck-based toughness and a wide spread of trims and equipment, which helps if you want something durable and configurable rather than crossover-like. With 32.9% of listings marked as good or great deals, you have a decent chance of finding a competitively priced example.

Is the 2020 GMC Yukon XL reliable?

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

The overview suggests a vehicle built around traditional truck-based toughness, which can be appealing if you want a large SUV that feels substantial and purpose-built. Its straightforward V8 setup and utility-first design also point to a model that prioritizes durability and capability over complexity. For used buyers, the main long-term ownership risk is that a large, older-style SUV can be costly to keep in top shape if prior maintenance has been inconsistent.

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

At 70.4% 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 structural repairs, suspension wear, and signs of heavy use. Focus closely on body condition, panel alignment, tire wear, and interior wear, since those clues can tell you a lot about how the SUV was treated. Because this is a large, utility-oriented vehicle, it is especially worth confirming that any prior damage was repaired properly and that the truck still drives straight and feels solid.

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

This looks like a moderate market where selective buyers can still find value if they shop carefully.

• Deal availability: 32.9% of listings are priced as good or great deals.
• Inventory: There are 1,373 listings available.
• Price trend: Prices have softened 14.06% compared with last year.
• Clean inventory: 70.4% 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 $28,487 sits slightly below last year's $33,147.

That price movement suggests the market has already adjusted downward, which can help you as a buyer today but may limit upside if you plan to resell soon. For a future seller, the softer pricing means you should expect competition from similarly equipped listings, especially if your vehicle has higher mileage or visible wear. On the other hand, a well-kept example with strong equipment and clean history should still attract attention in a segment where buyers value space and capability.

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:

• 32.9% of listings are priced as good or great deals.
• At 70.4% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 14.06% compared with last year.
• Owners rate it 5/5 — a strong satisfaction signal.

The bottom line: If you want the traditional truck-based Yukon XL formula with strong space, utility, and a lower entry price than newer versions, the 2020 is the better primary target. If you are especially price-sensitive, you may also want to compare nearby years to see whether a similarly equipped example offers a better mix of condition, mileage, and asking price.

These recommendations are based on CarGurus' proprietary market data from September 15, 2026, CarGurus experts' opinions, and generative AI.