How much does the 2018 GMC Yukon cost?

Prices have softened 10.89% compared to this time last year, making it a favorable time to shop this model year.

With 1,689 listings available, you have a meaningful amount of inventory to compare across price and condition.

If you find a listing below $25,200.07, 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 mention the improved gas mileage compared with earlier models. That combination makes it appealing if you want a full-size SUV that works well for family use, long-distance travel, and a more premium driving experience. With 32.5% of listings marked as good or great deals, you still have room to shop selectively.

Is the 2018 GMC Yukon reliable?

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

The owner feedback also points to a vehicle that many people find dependable and trouble-free enough to recommend for everyday use, especially when you value comfort and long-term ownership confidence. The repeated mentions of satisfaction over time suggest that buyers who find a well-kept example are often happy with the ownership experience. For used buyers, the main long-term risk is less about the model’s appeal and more about choosing a poorly maintained example, so condition and service history matter.

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

At 64.9% 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 those with prior damage or other red flags. After that, prioritize a thorough pre-purchase inspection, especially if the listing photos or description leave any gaps about condition. Focus on wear, maintenance records, and any signs that the vehicle has been used hard, because a premium SUV like this is best bought on condition, not just equipment.

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

This is a moderate, selective buyer’s market, so you can shop with some leverage if you stay disciplined about condition and pricing.

• Deal availability: 32.5% of listings are priced as good or great deals.
• Inventory: There are 1,689 listings available.
• Price trend: Prices have softened 10.89% compared with last year.
• Clean inventory: 64.9% of listings are accident-free.

If you find a listing below $25,200.07, 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 $25,197 sits slightly below last year's $28,276.

That softer pricing can help you as a buyer now, but it also means future resale gains may be more limited if the market stays under pressure. If you buy at a strong price and keep the vehicle in excellent condition, you give yourself a better chance of minimizing depreciation. Strong demand for roomy, comfortable full-size SUVs can still support resale, especially when the example you choose is clean and well maintained.

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:

• 32.5% of listings are priced as good or great deals.
• At 64.9% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 10.89% compared with last year.
• Owners rate it 4.29/5 — a solid satisfaction signal.

The bottom line: If you want a full-size SUV with strong owner satisfaction, a comfortable cabin, and a market that has eased enough to create buying opportunities, the 2018 is a sensible primary choice. If your priority is stretching your budget as far as possible, you may want to compare nearby years and focus on whichever one gives you the best combination of price, condition, and accident history.

These recommendations are based on CarGurus' proprietary market data from August 7, 2026, CarGurus experts' opinions, and generative AI.