Used 2018 Buick LaCrosse for SaleNationwide

How much does the 2018 Buick LaCrosse cost?

Prices have softened 3.92% compared to this time last year, making it a favorable time to shop this model year.

There are 284 listings available, which gives you a modest amount of inventory to compare before you buy.

Is the 2018 Buick LaCrosse a good car?

Yes — the 5/5 user rating points to strong owner satisfaction, and the 2018 LaCrosse’s overview backs that up with a clear comfort-first identity. It’s described as a large, quiet sedan that emphasizes a plush ride, roomy cabin, upscale atmosphere, and useful features like Apple CarPlay, available all-wheel drive, and a larger trunk. If you want a traditional sedan that prioritizes comfort and equipment over flash, this model year fits that use case well. 30.3% of listings are priced as good or great deals, which gives you some room to shop selectively.

Is the 2018 Buick LaCrosse reliable?

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

The overview suggests a car built around comfort, quietness, and a modern-feeling feature set, but it also notes that the cabin drew criticism for flimsy plastic parts. For used buyers, that means the biggest long-term ownership risk is likely condition-related wear and interior quality rather than the car’s basic comfort mission.

What should I look for when buying a used 2018 Buick LaCrosse?

At 65.1% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.

Start with a vehicle history report so you can separate clean examples from cars with prior damage. Then prioritize a thorough pre-purchase inspection, with extra attention to bodywork, panel alignment, and interior condition. Because the cabin was noted for some flimsy plastic parts, you should also focus on wear, trim fit, and how well the car has aged inside.

Is now a good time to buy a used 2018 Buick LaCrosse?

This looks like a moderate market, so you can be selective without expecting a deep bargain on every listing.

• Deal availability: 30.3% of listings are priced as good or great deals.
• Inventory: There are 284 listings available.
• Price trend: Prices have softened 3.92% compared with last year.
• Clean inventory: 65.1% of listings are accident-free.

If you find a listing below $15,807, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2018 Buick LaCrosse's resale value?

The current average of $16,182 sits slightly below last year's $16,842.

That decline suggests the market has eased, which can help you buy more confidently now but may also limit short-term upside if you plan to resell soon. For a future seller, the key takeaway is that this model year is holding in a fairly stable price band rather than showing strong appreciation. Its comfort-focused appeal and upscale feel should still support demand, but the softer trend means you should buy with realistic resale expectations.

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 Buick LaCrosse 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:

• 30.3% of listings are priced as good or great deals.
• At 65.1% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 3.92% compared with last year.
• Owners rate it 5/5 — a strong satisfaction signal.

Consider the 2017 if:

• At $15,881, the 2017 costs less than the current year's $16,182 average.
• The redesign brought a more premium, broader-appeal feel.

The bottom line: You should start with the 2018 if you want the stronger current-market balance of price, satisfaction, and inventory. If your priority is saving money upfront, the 2017 is the better secondary path because it undercuts the current-year average while still delivering the LaCrosse’s roomy, upscale character.

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