Used 2018 GMC Yukon XL for Sale near Indiana

Compare 2018 GMC Yukon XL Trims

The 2018 GMC Yukon XL offers a range of trims from budget-friendly options to luxurious models, catering to various needs and preferences.

• Starting at $16,911
• Best MPG/MPGe: 16 city / 23 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: $16,911 (updated weekly)
• MPG/MPGe: 16 city / 23 hwy
• Inventory: 72 listings — lower availability; may limit negotiating room
• View SLE RWD listings

SLE 4WD — "Who It's For"

The SLE 4WD is ideal for those needing all-wheel drive capabilities without a hefty price tag.

• Avg. market price: $22,276 (updated weekly)
• MPG/MPGe: 15 city / 22 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 for shoppers seeking a well-rounded SUV with standard luxury features at a reasonable price.

• Avg. market price: $22,047 (updated weekly)
• MPG/MPGe: 16 city / 23 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 perfect for buyers wanting a blend of luxury and affordability without going for the top-tier trims.

• Avg. market price: $17,772 (updated weekly)
• MPG/MPGe: 16 city / 23 hwy
• Inventory: 420 listings
• View SLT RWD listings

SLT 4WD — "Who It's For"

The SLT 4WD is suited for those who want all-wheel drive without the highest price tag, offering a good mix of features.

• Avg. market price: $21,428 (updated weekly)
• MPG/MPGe: 15 city / 22 hwy
• Inventory: 1,273 listings — widest selection in the lineup
• View SLT 4WD listings

Denali RWD — "Who It's For"

The Denali RWD is for shoppers who desire luxury features without going for the most expensive option in the lineup.

• Avg. market price: $21,928 (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 choice for buyers seeking the ultimate luxury and capability in an SUV, with the most features available.

• Avg. market price: $23,866 (updated weekly)
• MPG/MPGe: 14 city / 21 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 — SLE RWD

At $16,911 avg market price — below the lineup median of $21,928 — 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 16/23 MPG/MPGe.

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 2018 GMC Yukon XL cost?

Prices have softened 11.86% compared to this time last year, making it a favorable time to shop this model year.

There are 1,075 listings available, which suggests you have a solid amount of inventory to compare.

Is the 2018 GMC Yukon XL a good car?

Yes — the 2018 GMC Yukon XL earns a 5/5 user rating, which points to strong owner satisfaction. Owners consistently praise its spaciousness and luxurious feel, and they also like how roomy it is for vacations and daily use. That makes it a strong fit if you want a large family hauler with genuine utility and an upscale presentation. With 35.0% of listings marked as good or great deals, there is also a meaningful amount of market opportunity if you shop carefully.

Is the 2018 GMC Yukon XL reliable?

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

Owner feedback highlights a dependable, trouble-free ownership experience centered on the vehicle’s spaciousness and comfort, which is encouraging if you want a large SUV you can count on for family use. Some owners did mention minor issues like dings and dents and a malfunctioning screen, so a careful pre-purchase inspection still matters. For used buyers, the main long-term ownership risk is less about the core appeal and more about finding a well-kept example with clean condition and properly functioning equipment.

What should I look for when buying a used 2018 GMC Yukon XL?

At 59.9% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.

You should start with a vehicle history report and confirm whether any prior damage was repaired properly. Put inspection priority on body condition, panel alignment, and electronics, since owner feedback points to dings, dents, and a malfunctioning screen as possible concerns. It is also smart to focus on overall wear and maintenance records, because a large SUV like this is best bought when its condition matches its premium mission.

Is now a good time to buy a used 2018 GMC Yukon XL?

This looks like a moderate, selective buyer’s market, so you can shop with some leverage if you stay disciplined.

• Deal availability: 35.0% of listings are priced as good or great deals.
• Inventory: There are 1,075 listings available.
• Price trend: Prices have softened 11.86% compared with last year.
• Clean inventory: 59.9% of listings are accident-free.

If you find a listing below $21,840, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2018 GMC Yukon XL's resale value?

The current average of $21,840 sits slightly below last year's $24,780.

That price movement 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 resale value may depend heavily on condition, mileage, and how well the vehicle has been maintained. Because this model year has strong owner satisfaction, demand should remain supported among shoppers who want a spacious, upscale full-size SUV. 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 2018 GMC Yukon XL or consider a different year?

If you're weighing the 2018 against nearby model years, here's how to think about it:

Choose the 2018 if:

• 35.0% of listings are priced as good or great deals.
• At 59.9% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 11.86% compared with last year.
• Owners rate it 5/5 — a strong satisfaction signal.

The bottom line: The 2018 is a strong choice if you want a spacious, upscale full-size SUV and you can verify condition carefully. If you are especially price-sensitive, you may want to compare nearby years and focus on the cleanest, best-maintained example rather than chasing the lowest sticker price alone.

How does the 2018 GMC Yukon XL compare to the 2018 Chevrolet Tahoe?

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