Used 2018 GMC Yukon XL for Sale nearChicago, IL

Compare 2018 GMC Yukon XL Trims in Chicago, IL

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 $18,546
• 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 well-equipped SUV without the luxury price tag. It's a solid choice for families needing space and features.

• Avg. market price: $25,212 (updated weekly)
• MPG/MPGe: 16 city / 23 hwy
• Inventory: 7 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 paying for luxury features. It's ideal for those needing versatility in various conditions.

• Avg. market price: $25,212 (updated weekly)
• MPG/MPGe: 15 city / 22 hwy
• Inventory: 17 listings — lower availability; may limit negotiating room
• View SLE 4WD listings

SLT RWD — "Who It's For"

The SLT RWD is the pick for shoppers who want a balance of luxury and practicality without going for the top-tier Denali. It offers a solid set of features.

• Avg. market price: $25,212 (updated weekly)
• MPG/MPGe: 16 city / 23 hwy
• Inventory: 32 listings
• View SLT RWD listings

SLT 4WD — "Who It's For"

The SLT 4WD is the pick for shoppers who want luxury features combined with all-wheel drive capability. It's a great option for those who need versatility and comfort.

• Avg. market price: $24,917 (updated weekly)
• MPG/MPGe: 15 city / 22 hwy
• Inventory: 140 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 a luxury SUV experience without the added complexity of all-wheel drive. It offers premium features at a competitive price.

• Avg. market price: $18,546 (updated weekly)
• MPG/MPGe: 14 city / 23 hwy
• Inventory: 33 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 all-wheel drive capability. It's perfect for those who prioritize both comfort and performance.

• Avg. market price: $27,248 (updated weekly)
• MPG/MPGe: 14 city / 21 hwy
• Inventory: 298 listings — widest selection in the lineup
• View Denali 4WD listings

Trim Recommendations

Most Popular — Denali 4WD

With 298 active listings, the Denali 4WD is the clear volume leader in the lineup.

Browse Denali 4WD listings

Best Budget Option — Denali RWD

At $18,546 avg market price — below the lineup median of $25,212 — it's the most accessible entry point.

Browse Denali 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 September 12, 2026, CarGurus experts' opinions, and generative AI.

How much does the 2018 GMC Yukon XL cost?

Prices have softened 12.48% compared to this time last year, making it a favorable time to shop this model year.

There are 992 listings available, which gives you a solid amount of inventory to compare.

Is the 2018 GMC Yukon XL a good car?

Yes — the 5/5 user rating points to strong owner satisfaction. Owners consistently praise its spaciousness, luxurious feel, and family-friendly usefulness, and they also highlight how well it works for vacations and daily use. That lines up well if you want a full-size SUV built around room, comfort, and a traditional truck-based layout. With 33.7% of listings marked as good or great deals, you have some room to shop selectively.

Is the 2018 GMC Yukon XL reliable?

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

The owner feedback also points to a dependable, trouble-free ownership experience for many drivers, with the kind of long-term appeal that matters when you plan to keep a vehicle for years. At the same time, some owners mentioned minor issues like dings, dents, and a malfunctioning screen, so you should still pay close attention to condition on any used example. For long-term ownership, the biggest risk is buying a neglected truck-based SUV without verifying how well it has been maintained.

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

At 60.1% 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 pre-purchase inspection, especially for body condition, electronics, and signs of wear that could affect a large family SUV. Because this model is often used for daily driving and road trips, focus on overall condition and maintenance history rather than just mileage.

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

This is a moderate, selective buyer’s market, so you can shop with some leverage if you compare listings carefully.

• Deal availability: 33.7% of listings are priced as good or great deals.
• Inventory: There are 992 listings available.
• Price trend: Prices have softened 12.48% compared with last year.
• Clean inventory: 60.1% of listings are accident-free.

If you find a listing below $22,812, 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 $22,812 sits slightly below last year's $26,064.

That price movement suggests the market has cooled, which can help you buy at a better entry point now but may also limit short-term upside if you plan to resell soon. For a future seller, the key will be how well the vehicle is maintained and how clean its history is, since buyers in this segment tend to reward condition and confidence. Strong owner satisfaction can help support demand when it is time to sell.

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:

• 33.7% of listings are priced as good or great deals.
• At 60.1% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 12.48% compared with last year.
• Owners rate it 5/5 — a strong satisfaction signal.

The bottom line:

If you want a full-size SUV with strong space, comfort, and broad family appeal, the 2018 is the primary path to consider, especially if you can find a clean, well-priced example. If you are more price-sensitive, you should also compare nearby years to see whether a lower asking price or cleaner history gives you a better overall value.

These recommendations are based on CarGurus' proprietary market data from September 11, 2026, CarGurus experts' opinions, and generative AI.