Used 2018 GMC Yukon XL for Sale near California

Compare 2018 GMC Yukon XL Trims

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

• Starting at $16,525
• 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: $16,525 (updated weekly)
• MPG/MPGe: 16 city / 23 hwy
• Inventory: 73 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 price point.

• Avg. market price: $22,355 (updated weekly)
• MPG/MPGe: 15 city / 22 hwy
• Inventory: 168 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 added luxury features without going for the top trim.

• Avg. market price: $22,308 (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 the pick for shoppers who want a balance of luxury and practicality without the highest price tag.

• Avg. market price: $18,242 (updated weekly)
• MPG/MPGe: 16 city / 23 hwy
• Inventory: 440 listings
• View SLT RWD listings

SLT Standard Edition 4WD — "Who It's For"

The SLT Standard Edition 4WD is the pick for shoppers who want a sporty SUV with luxury features and all-wheel drive capability.

• Avg. market price: $22,330 (updated weekly)
• MPG/MPGe: 15 city / 22 hwy
• Inventory: 10 listings — lower availability; may limit negotiating room
• View SLT Standard Edition 4WD listings

SLT 4WD — "Who It's For"

The SLT 4WD is the pick for shoppers who want a well-equipped SUV with all-wheel drive at a competitive price.

• Avg. market price: $21,681 (updated weekly)
• MPG/MPGe: 15 city / 22 hwy
• Inventory: 1,269 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 at a lower price point compared to the 4WD version.

• Avg. market price: $21,297 (updated weekly)
• MPG/MPGe: 14 city / 23 hwy
• Inventory: 457 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.

• Avg. market price: $24,313 (updated weekly)
• MPG/MPGe: 14 city / 21 hwy
• Inventory: 2,701 listings — widest selection in the lineup
• View Denali 4WD listings

Trim Recommendations

Most Popular — Denali 4WD

With 2,701 active listings, the Denali 4WD is the clear volume leader in the lineup.

Browse Denali 4WD listings

Best Budget Option — SLE RWD

At $16,525 avg market price — below the lineup median of $21,994 — 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.

Browse SLE RWD listings

These recommendations are based on CarGurus' proprietary market data from October 8, 2026, CarGurus experts' opinions, and generative AI.

How much does the 2018 GMC Yukon XL cost?

Prices have softened 12.68% compared to this time last year, making it a favorable time to shop this model year.

There are 1,041 listings available, which gives you a solid pool of options 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 highlight how roomy it is for vacations and daily use. For you, that makes it a strong fit if you want a large family hauler with genuine utility and an upscale feel. The market also shows 37.1% of listings as good or great deals, which adds some shopping flexibility.

Is the 2018 GMC Yukon XL reliable?

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

Owner feedback points to a vehicle that feels dependable for family use, with praise centered on its roomy cabin and comfortable, long-distance-friendly character. Some owners did mention minor issues like dings and dents, along with a malfunctioning screen, but the overall tone still suggests a truck you can count on for regular use. For used buyers, that means long-term ownership risk looks manageable if you choose a well-kept example and verify its condition carefully.

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

At 60.7% 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 separate clean examples from ones with prior damage. After that, prioritize a thorough inspection of the body, electronics, and interior condition, since owner feedback mentions dings, dents, and a malfunctioning screen. Because this is a large, premium SUV, you’ll want to focus on signs of wear that could affect both comfort and long-term ownership costs.

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

This is a moderate market for selective buyers, so you can shop patiently but still move quickly on the right listing.

• Deal availability: 37.1% of listings are priced as good or great deals.
• Inventory: There are 1,041 listings available.
• Price trend: Prices have softened 12.68% compared with last year.
• Clean inventory: 60.7% of listings are accident-free.

If you find a listing below $22,209, 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 $22,209 sits slightly below last year's $25,435.

That price movement suggests the market has cooled, which can work against you if you buy high and sell soon after. If you plan to own it for a while, the softer entry price may help offset some depreciation risk. For a future seller, the key advantage is that strong demand for roomy, premium family SUVs can still support interest when the vehicle is well maintained and presented cleanly.

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:

• 37.1% of listings are priced as good or great deals.
• At 60.7% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 12.68% compared with last year.
• Owners rate it 5/5 — a strong satisfaction signal.

The bottom line: If you want the best balance of value and owner satisfaction, the 2018 is the primary year to target because it combines a lower average price with strong feedback from owners. If you’re especially price-sensitive, you can widen your search to nearby years and compare condition, accident history, and deal status to find the best individual listing rather than focusing only on model year.

These recommendations are based on CarGurus' proprietary market data from October 6, 2026, CarGurus experts' opinions, and generative AI.