Used 2021 BMW X6 for Sale near Illinois

How much does the 2021 BMW X6 cost?

Prices have softened 9.80% compared to this time last year, making it a favorable time to shop this model year.

There are 367 listings available, which gives you a modest amount of inventory to compare before you buy.

Is the 2021 BMW X6 a good car?

Yes — 5/5 is a strong user rating for the 2021 BMW X6. The overview points to a luxury crossover that emphasizes style and presence, with a lowered profile, aggressive bodywork, a sleeker roofline, and a richer feature set than a conventional SUV. It also highlights strong powertrain choices and generous standard equipment, which makes it appealing if you want a distinctive luxury SUV with a sportier feel and plenty of tech. With 37.6% of listings marked as good or great deals, you have some room to shop selectively.

Is the 2021 BMW X6 reliable?

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

The overview suggests the 2021 BMW X6 is built around upscale hardware and strong performance, but it also notes that higher-performance trims can bring higher maintenance costs. For used buyers, that means the biggest long-term ownership risk is not just age or mileage, but how well the vehicle has been maintained and whether it has been used in a way that matches its performance-oriented design.

What should I look for when buying a used 2021 BMW X6?

Accident-free inventory is solid at 80.7% — always verify the vehicle history report.

You should start with a history report so you can confirm accident status, title history, and prior use before you get too far into the process. After that, prioritize a thorough inspection of the condition, especially if the vehicle has higher mileage or appears to have been driven hard. Focus on signs of wear that could matter more on a luxury performance SUV, and make sure the listing’s condition matches the asking price.

Is now a good time to buy a used 2021 BMW X6?

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

• Deal availability: 37.6% of listings are priced as good or great deals.
• Inventory: There are 367 listings available.
• Price trend: Prices have softened 9.80% compared with last year.
• Clean inventory: 80.7% of listings are accident-free.

If you find a listing below $42,177, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2021 BMW X6's resale value?

The current average of $42,198 sits slightly below last year's $46,781.

That price decline suggests the market has already adjusted downward, which can help you as a buyer today but may also limit how much upside a future seller can expect in the near term. If you plan to resell later, the best protection is to buy well, keep the vehicle in strong condition, and avoid overpaying relative to the current market. A model that stays desirable with shoppers tends to hold value better when it comes time to trade or 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 2021 BMW X6 or consider a different year?

If you're weighing the 2021 against nearby model years, here's how to think about it:

Choose the 2021 if:

• 37.6% of listings are priced as good or great deals.
• Accident-free inventory is solid at 80.7% — always verify the vehicle history report.
• Price trend: Prices have softened 9.80% compared with last year.
• Owners rate it 5/5 — a strong satisfaction signal.

The bottom line: The 2021 BMW X6 makes the most sense if you want the newer-generation look, a strong feature set, and a market that has already moved lower from last year’s pricing. If you’re more price-sensitive, you can still shop carefully and target the lower end of the range, but the 2021 is the better pick when you want the freshest balance of style, equipment, and value in this model-year window.

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