Used 2020 GMC Yukon XL for Sale near Colorado

Compare 2020 GMC Yukon XL Trims

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

• Starting at $21,789
• 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: $21,789 (updated weekly)
• MPG/MPGe: 15 city / 22 hwy
• Inventory: 67 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 capability without stepping up to a higher trim level.

• Avg. market price: $28,525 (updated weekly)
• MPG/MPGe: 14 city / 21 hwy
• Inventory: 174 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 well-rounded SUV with standard features at a competitive price.

• Avg. market price: $25,386 (updated weekly)
• MPG/MPGe: 15 city / 22 hwy
• Inventory: 15 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 solid choice with added tech features without going for the highest trim.

• Avg. market price: $22,551 (updated weekly)
• MPG/MPGe: 15 city / 22 hwy
• Inventory: 437 listings
• View SLT RWD listings

SLT 4WD — "Who It's For"

The SLT 4WD is the pick for shoppers who want all-wheel drive capability with a wide selection of listings.

• Avg. market price: $25,038 (updated weekly)
• MPG/MPGe: 14 city / 21 hwy
• Inventory: 1,264 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 features without the highest price tag in the lineup.

• Avg. market price: $25,728 (updated weekly)
• MPG/MPGe: 14 city / 23 hwy
• Inventory: 458 listings
• View Denali RWD listings

Denali 4WD — "Who It's For"

The Denali 4WD is the pick for shoppers who want the most luxurious and popular choice in the lineup.

• Avg. market price: $29,682 (updated weekly)
• MPG/MPGe: 14 city / 20 hwy
• Inventory: 2,757 listings — widest selection in the lineup
• View Denali 4WD listings

Trim Recommendations

Most Popular — Denali 4WD

With 2,757 active listings, the Denali 4WD is the clear volume leader in the lineup.

Browse Denali 4WD listings

Best Budget Option — SLE RWD

At $21,789 avg market price — below the lineup median of $25,386 — 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 with 15/22 MPG/MPGe.

Browse SLE RWD listings

These recommendations are based on CarGurus' proprietary market data from October 29, 2026, CarGurus experts' opinions, and generative AI.

How much does the 2020 GMC Yukon XL cost?

Prices have softened 16.21% compared to this time last year, making it a favorable time to shop this model year.

There are 1,433 listings available, which suggests a meaningful amount of inventory to compare.

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. The overview shows a big, truck-based SUV built around space and capability, with a long-wheelbase layout that gives you more room for third-row passengers and more cargo space behind them than the regular Yukon. It also gives you a wide spread of trims and equipment, so you can prioritize family-hauling utility or move up to a more luxurious Denali setup depending on your needs. With 35.9% of listings marked as good or great deals, there is still 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 overview describes a traditional chassis, solid rear axle, and a straightforward large-SUV layout, which can appeal if you want a proven, truck-like design rather than a car-based crossover. It also emphasizes capability and space over complexity, which may help keep ownership expectations clear. For used buyers, the main long-term risk is that a large, heavy SUV can be costly to maintain if prior use or upkeep has been rough.

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

At 67.7% 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 from a mechanic who knows full-size SUVs. Focus on signs of prior body damage, uneven panel gaps, suspension wear, and any evidence that the vehicle was used hard or repaired poorly. Because this is a large, truck-based SUV, condition matters a lot: a clean, well-maintained example is much easier to live with than one that has been neglected.

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: 35.9% of listings are priced as good or great deals.
• Inventory: There are 1,433 listings available.
• Price trend: Prices have softened 16.21% compared with last year.
• Clean inventory: 67.7% of listings are accident-free.

If you find a listing below $27,066, 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 $27,066 sits slightly below last year's $32,303.

That kind of price movement suggests the market has already adjusted downward, which can help you buy more confidently now but may also limit near-term upside if you plan to resell soon. For a future seller, the key is to buy a clean example at a sensible price so you have less depreciation left to absorb. Well-kept, desirable large SUVs tend to hold buyer interest better than rougher examples, especially when they offer strong 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:

• 35.9% of listings are priced as good or great deals.
• At 67.7% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 16.21% 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, capability, and a lower average price than newer versions, the 2020 is the primary year to target. If your priority is the newest-feeling driving experience or you want to compare more modern alternatives, a nearby newer year may be worth stretching for; if you are more price-sensitive, the 2020 offers a compelling balance of value and utility.

How does the 2020 GMC Yukon XL compare to the 2020 Chevrolet Tahoe?

These recommendations are based on CarGurus' proprietary market data from October 27, 2026, CarGurus experts' opinions, and generative AI.