Used 2020 GMC Yukon XL for SaleNationwide

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 $22,324
• 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 the luxury price tag. It's a great entry point into the Yukon XL lineup.

• Avg. market price: $24,451 (updated weekly)
• MPG/MPGe: 15 city / 22 hwy
• Inventory: 72 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. It's ideal for those needing versatility.

• Avg. market price: $27,163 (updated weekly)
• MPG/MPGe: 14 city / 21 hwy
• Inventory: 164 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 balance of luxury and value without going for the top trims. It's a solid choice for families.

• Avg. market price: $22,995 (updated weekly)
• MPG/MPGe: 15 city / 22 hwy
• Inventory: 12 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 features without the highest price. It's a popular choice for families.

• Avg. market price: $22,324 (updated weekly)
• MPG/MPGe: 15 city / 22 hwy
• Inventory: 420 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 luxury features at a competitive price. It's ideal for those needing versatility.

• Avg. market price: $25,299 (updated weekly)
• MPG/MPGe: 14 city / 21 hwy
• Inventory: 1,273 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. It's a great option for those who appreciate premium amenities.

• Avg. market price: $25,851 (updated weekly)
• MPG/MPGe: 14 city / 23 hwy
• Inventory: 456 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 capability in an SUV. It's the most popular trim for good reason.

• Avg. market price: $29,425 (updated weekly)
• MPG/MPGe: 14 city / 20 hwy
• Inventory: 2,764 listings — widest selection in the lineup
• View Denali 4WD listings

Trim Recommendations

Most Popular — Denali 4WD

With 2,764 active listings, the Denali 4WD is the clear volume leader in the lineup.

Browse Denali 4WD listings

Best Budget Option — SLT RWD

At $22,324 avg market price — below the lineup median of $25,299 — 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 with 15/22 MPG.

Browse SLE RWD listings

These recommendations are based on CarGurus' proprietary market data from October 22, 2026, CarGurus experts' opinions, and generative AI.

How much does the 2020 GMC Yukon XL cost?

Prices have softened 16.14% compared to this time last year, making it a favorable time to shop this model year.

There are 1,416 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 third-row room and more cargo space behind it 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 for more luxury. The market still shows 32.1% of listings 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 overview describes a traditional chassis, solid rear axle, and a design focused on space and capability, which can be appealing if you want a proven, truck-like SUV. For used buyers, the main long-term ownership risk is that a large, heavy vehicle like this can be costly to keep in top condition if prior maintenance has been inconsistent.

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

At 68.3% 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 confirm accident records, title status, and ownership patterns before you go any further. Then prioritize a thorough pre-purchase inspection, with extra attention to body condition, alignment, suspension feel, and signs of hard use. Because this is a large, truck-based SUV, you should also focus on how well the interior, cargo area, and seating surfaces have held up.

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 and still find opportunities.

• Deal availability: 32.1% of listings are priced as good or great deals.
• Inventory: There are 1,416 listings available.
• Price trend: Prices have softened 16.14% compared with last year.
• Clean inventory: 68.3% of listings are accident-free.

If you find a listing below $27,321, 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 $27,323 sits slightly below last year's $32,583.

That price movement suggests the market has already adjusted downward, which can help you buy at a more favorable point today. If you plan to sell later, the current softness means your future resale value will depend heavily on condition, mileage, and how well the vehicle has been maintained. A clean history and strong presentation matter more when the market is already pricing in depreciation.

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:

• 32.1% of listings are priced as good or great deals.
• At 68.3% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 16.14% compared with last year.
• Owners rate it 5/5 — a strong satisfaction signal.

The bottom line: You should buy the 2020 if you want the traditional truck-based Yukon XL formula and you find a clean, well-priced example with solid history. If you are especially price-sensitive, you may want to compare nearby years and focus on the best-maintained listing rather than the newest badge.

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

These recommendations are based on CarGurus' proprietary market data from October 21, 2026, CarGurus experts' opinions, and generative AI.