Used 2021 BMW X7 for Sale nearBoston, MA

How much does the 2021 BMW X7 cost?

Prices have softened 13.96% compared to this time last year, making it a favorable time to shop this model year.

There are 1,150 listings available, which suggests you have a healthy amount of inventory to compare.

Is the 2021 BMW X7 a good car?

Yes — the 2021 BMW X7 earns a 5/5 user rating and a 7.7/10 expert rating. The standout strength is Safety at 9/10.

Owners consistently praise the X7 for its impressive driving experience, luxurious interior, and spaciousness. The review summary also points to strong power and performance, while the overview frames it as a large luxury three-row SUV with a relatively short list of direct rivals.

The trade-offs are clear: the ride can be affected by noticeable body motion, and advanced safety features are not standard. Even so, if you want a full-size luxury SUV that emphasizes driving enjoyment and upscale presence, this model year fits that brief well.

The market also looks reasonably accessible, with 39.7% of listings marked as good or great deals.

Is the 2021 BMW X7 reliable?

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

The owner summary points to a vehicle that feels impressive, luxurious, spacious, and strong on power and performance, which supports the idea that it’s a model many drivers can count on and enjoy over time. The expert notes also describe the X7 as smooth and serene, with a powertrain that feels refined and responsive.

BMW’s free scheduled maintenance for three years or 36,000 miles adds a useful ownership perk. For used buyers, the main long-term risk is that a complex luxury SUV can become expensive if prior maintenance was skipped or if high-end equipment has been neglected.

What should I look for when buying a used 2021 BMW X7?

Accident-free inventory is solid at 80.8% — always verify the vehicle history report.

You should still run a history report on any candidate, even if the listing looks clean at first glance. A pre-purchase inspection is especially important on a luxury SUV like this, where suspension, electronics, and driver-assistance systems can be costly to sort out later. Focus on overall condition, maintenance records, and whether the equipment on the specific vehicle matches what you expect.

Key things to evaluate:

• Trim level: The xDrive40i starts at $74,900, while the M50i starts at $99,800 and the Alpina XB7 starts at $141,300. The xDrive40i is the most approachable choice, while the higher trims add more performance and more decadent equipment.
• Powertrain: The xDrive40i uses a turbocharged 3.0-liter inline-six with 335 horsepower and a 48-volt mild-hybrid system. BMW also points to a performance-tuned Alpina XB7, so the lineup spans from efficient-leaning to high-performance.
• Safety package: BMW’s safety technologies are standard, but Active Driving Assistant Pro is part of the optional Driving Assistance Professional Package. That package adds evasive-steering assist, traffic-jam assist, lane-control assist, and emergency stop assist, while the Parking Assistance Package adds semi-automated parallel parking assist, a surround-view camera, and a drive recorder system.
• Infotainment: The X7 uses a 12.3-inch display for both the digital instrument cluster and iDrive 7.0 infotainment. It adds Android Auto, Apple CarPlay, wireless smartphone charging, natural voice recognition, and over-the-air-style connected services through Connected Package Pro.
• Fuel efficiency: The xDrive40i is rated at 19 mpg city, 24 mpg highway, and 21 mpg combined.

Which 2021 BMW X7 trim should I buy?

The 2021 BMW X7 is offered in 3 trim levels: xDrive40i, M50i, Alpina XB7.

Here's the short version:

• xDrive40i: This is the best-value choice if you want the core X7 experience without jumping to the highest price tiers. It brings the 48-volt mild-hybrid turbocharged inline-six, strong everyday performance, and the same upscale cabin and technology foundation that make the X7 appealing.
• M50i: Choose this if you want a clear step up in performance and are willing to pay more for it. The expert summary highlights the lineup’s multiple powertrain options and powerful engine choice, and this trim is the middle path for shoppers who want more muscle than the xDrive40i.
• Alpina XB7: This is the top-end choice for buyers who want the most decadent version of the X7 and are comfortable with the highest price. The overview notes that many of the model’s most luxurious features are restricted to this trim, making it the one to consider if you want the most exclusive equipment.

BMW says advanced safety features are not standard, so check carefully whether the specific vehicle includes the driver-assistance package you want.

Is now a good time to buy a used 2021 BMW X7?

This looks like a moderate, selective buyer’s market, so you can shop with some leverage if you’re patient.

• Deal availability: 39.7% of listings are priced as good or great deals.
• Inventory: There are 1,150 listings available.
• Price trend: Prices have softened 13.96% compared with last year.
• Clean inventory: 80.8% of listings are accident-free.

If you find a listing below $35,221, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2021 BMW X7's resale value?

The current average of $35,221 sits slightly below last year's $40,935.

That decline suggests the market has already adjusted downward, which can make the X7 more attractive to used buyers today but less favorable for a seller trying to maximize return. If you’re planning to resell later, the current pricing trend means you should expect some pressure on future value unless the vehicle is especially well kept and well equipped.

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

Is the 2021 BMW X7 safe?

The 2021 BMW X7 earns a 9/10 safety score from our experts.

BMW makes its safety technologies standard, with the main upgrades reserved for the optional Driving Assistance Professional Package and Parking Assistance Package. The Driving Assistance Professional Package adds Active Driving Assistant Pro, including evasive-steering assist, traffic-jam assist, lane-control assist, and emergency stop assist, while the Parking Assistance Package adds semi-automated parallel parking assist, a surround-view camera, and a drive recorder system.

The expert review also notes that the lane-maintenance system can be reactive in some situations and that automated lane changing is more abrupt than ideal. That means the X7 is well equipped, but you should still test the driver-assistance behavior on a route similar to your daily driving.

Should I buy a 2021 BMW X7 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:

• 39.7% of listings are priced as good or great deals.
• Accident-free inventory is solid at 80.8% — always verify the vehicle history report.
• Price trend: Prices have softened 13.96% compared with last year.
• Owners rate it 5/5 — a strong satisfaction signal.
• The 2021 model adds a 48-volt mild-hybrid powertrain to the standard xDrive40i and introduces the performance-tuned Alpina XB7.

The bottom line: If you want the X7 with updated powertrain choices and a softer used-car price than last year, the 2021 model is the smart target. If you’re shopping mainly on price, you may still want to compare nearby years, but the 2021 gives you a strong mix of value, satisfaction, and equipment.

How does the 2021 BMW X7 compare to the 2021 Mercedes-Benz GLS?

Expert Pros & Cons (per CarGurus review team)

2021 BMW X7:

• Pros: Multiple powertrain options, Great handling, Powerful engine.
• Cons: Advanced safety features are not standard.

2021 Mercedes-Benz GLS:

• Pros: Multiple powertrain options, Plenty of cargo space, Impressive technology.
• Cons: Cramped third row, Unintuitive technology, Poor fuel economy.

Our experts score the 2021 BMW X7 7.7/10 and the 2021 Mercedes-Benz GLS 8.3/10. The GLS edges ahead on the expert score and brings more cargo space and impressive technology, but it also carries drawbacks in third-row room, tech usability, and fuel economy. The X7 counters with better handling and a powerful engine, though you’ll want to pay attention to its safety equipment because advanced features are not standard.

Read our full side-by-side expert comparison here.

These recommendations are based on CarGurus' proprietary market data from November 10, 2026, CarGurus experts' opinions, and generative AI.