Used 2018 GMC Yukon for Sale nearSaint Louis, MO

How much does the 2018 GMC Yukon cost?

Prices have softened 10.98% compared to this time last year, making it a favorable time to shop this model year.

There are 1,680 listings available, which suggests you have a meaningful amount of inventory to compare.

If you find a listing below $25,090.44, 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 for this model year. Owners consistently praise the Yukon’s comfort, spaciousness, and luxurious feel, and many also note the improvement in gas mileage compared with previous models.

That lines up with the Yukon’s appeal as a roomy, well-appointed full-size SUV with a premium feel and modern convenience features. If you want a large family hauler that feels substantial without being flashy, this model year fits that use case well.

With 28.9% of listings marked as good or great deals, you have some room to shop selectively without feeling rushed.

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 drivers find dependable and trouble-free in everyday use, with comfort and space standing out as recurring strengths. That said, some owners mention condition-related concerns in specific cases, so the best used examples are the ones with clean maintenance records and careful prior ownership.

For long-term ownership, your risk is less about the model’s overall appeal and more about buying a poorly maintained example.

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

At 64.8% 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 reported damage was minor or more serious. After that, prioritize a thorough pre-purchase inspection so you can evaluate body condition, repair quality, and signs of wear that may not show up in the listing photos.

Because this SUV is often bought for family duty and long-term use, focus on overall condition, maintenance consistency, and how well the interior and mechanical components have been cared for.

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

This looks like a moderate, selective buyer’s market, so you can shop carefully and still find worthwhile options.

• Deal availability: 28.9% of listings are priced as good or great deals.
• Inventory: There are 1,680 listings available.
• Price trend: Prices have softened 10.98% compared with last year.
• Clean inventory: 64.8% of listings are accident-free.

If you find a listing below $25,090.44, 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 $25,117 sits slightly below last year's $28,213.

That price movement suggests the market has cooled, which can help you buy more affordably now but may also limit short-term upside if you plan to resell soon. If you purchase at a strong price and keep the vehicle in clean condition, you can help protect your future resale position.

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:

• 28.9% of listings are priced as good or great deals.
• At 64.8% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 10.98% compared with last year.
• Owners rate it 4.29/5 — a solid satisfaction signal.

The bottom line: If you want the best balance of price, owner satisfaction, and current market availability, the 2018 is the primary year to target. It gives you a strong mix of comfort and value without pushing you into newer-model pricing. If you are especially price-sensitive, you can widen your search to nearby years, but the 2018 stands out as a sensible starting point for a used full-size SUV shopper.

These recommendations are based on CarGurus' proprietary market data from August 28, 2026, CarGurus experts' opinions, and generative AI.