How much does the 2018 GMC Yukon cost?

Prices have softened 11.06% compared to this time last year, making it a favorable time to shop this model year.

There are 1,704 listings available, which suggests you should have a reasonable amount of inventory to compare.

If you find a listing below $25,365.23, that's toward the low end of the year-round range and worth acting on quickly.

Is the 2018 GMC Yukon a good car?

Generally — the 4.29/5 user rating points to strong owner satisfaction. Owners consistently praise the Yukon for its comfort, spaciousness, and luxurious feel, and many also like the improved gas mileage compared with previous models. That combination makes it appealing if you want a full-size SUV that works well as a family hauler while still feeling upscale. With 31.5% of listings marked as good or great deals, you have some room to shop selectively.

Is the 2018 GMC Yukon reliable?

Owners rate it 4.29/5, a solid signal of long-term satisfaction.

The user feedback also points to a dependable ownership experience, with owners describing the Yukon as comfortable and trouble-free enough to recommend for long-term use. The strongest reliability signal here is that buyers tend to value the vehicle’s durability and everyday usability alongside its premium feel. For used buyers, the main long-term risk is making sure the specific vehicle you choose has been well maintained and not compromised by prior damage or poor condition.

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

At 64.5% 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 or other red flags. After that, prioritize a thorough pre-purchase inspection, especially if the listing photos or description leave any questions about condition. Focus on wear, repair quality, and overall maintenance history so you can avoid paying strong money for a vehicle that needs immediate work.

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

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

• Deal availability: 31.5% of listings are priced as good or great deals.
• Inventory: There are 1,704 listings available.
• Price trend: Prices have softened 11.06% compared with last year.
• Clean inventory: 64.5% of listings are accident-free.

If you find a listing below $25,365.23, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2018 GMC Yukon's resale value?

The current average of $25,365 sits slightly below last year's $28,519.

That softer pricing can help you buy more carefully now, but it also means future resale will depend heavily on how well you preserve the vehicle’s condition and maintenance record. If you buy a clean example and keep it in strong shape, you’ll be better positioned when it’s time to sell. A model with steady owner satisfaction can still attract demand later, especially if it remains a practical, well-kept family SUV.

Vehicles with solid owner satisfaction ratings, like this model year's 4.29/5, tend to retain buyer demand, which supports resale value over time.

Should I buy a 2018 GMC Yukon 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:

• 31.5% of listings are priced as good or great deals.
• At 64.5% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 11.06% compared with last year.
• Owners rate it 4.29/5 — a solid satisfaction signal.

The bottom line: You should lean toward the 2018 if you want a full-size SUV with strong owner satisfaction, a softer price environment, and enough inventory to shop carefully. If you’re especially price-sensitive, you may want to compare nearby years and focus on the cleanest, best-documented example rather than chasing the lowest sticker price alone.

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