How much does the 2020 BMW X3 M cost?

Prices are up 1.78% year-over-year — a sign of continued demand for this model year.

There are 100 listings available, which gives you a modest amount of inventory to compare. If you find a listing below $42,772.07, that's toward the low end of the year-round range and worth acting on quickly.

Is the 2020 BMW X3 M a good car?

Yes — the 2020 BMW X3 M earns a 4.88/5 user rating and an 8.33/10 expert rating. The model scores 9/10 across Performance, Form and function, Technology, and Safety.

Drivers consistently praise its impressive power, sporty handling, and stylish design. The overview also points to the X3 M’s blend of serious performance and everyday usability, which is a big part of its appeal if you want an SUV that feels polished but still urgent on the road.

The main trade-offs are that advanced safety features are not standard and the exhaust note is subdued. The expert review also notes that fuel economy may not satisfy everyone, so this is best if you value performance first and are comfortable giving up some efficiency. Good and great deals account for 37.0% of listings, which suggests there are still some attractive opportunities if you shop carefully.

Is the 2020 BMW X3 M reliable?

Owners rate it 4.88/5, a strong signal of long-term satisfaction. The user summary also points to a vehicle that feels dependable in daily use, with drivers appreciating its performance both on the track and in everyday driving.

The expert review reinforces that sense of confidence by describing the engine as smooth, sonorous, and always ready to respond. BMW also includes three-year/36,000-mile maintenance, which helps reduce early ownership costs.

For used buyers, the main long-term risk is that a high-performance luxury SUV can be expensive to keep in top shape, so condition and service history matter a lot.

What should I look for when buying a used 2020 BMW X3 M?

Accident-free inventory is solid at 79% — always verify the vehicle history report.

You should still run a vehicle history report on any candidate and prioritize a pre-purchase inspection, especially on a performance SUV that may have been driven hard. Focus on tire wear, brake condition, suspension feel, and signs of deferred maintenance, since those areas can reveal how the vehicle was treated. It also helps to compare equipment carefully, because some desirable safety and convenience features were optional rather than standard.

Key things to evaluate:

• Trim level: The standard X3 lineup includes the sDrive30i and xDrive30i, while the M Sport package adds body-color trim and a revised front bumper; the X3 M itself sits at the performance end with black quad exhaust pipes, aggressive styling, and bucket seats with heavy bolstering. Advanced safety features are not standard.
• Powertrain: The X3 M uses a twin-turbo 3.0-liter inline-six with 473 hp, while the Competition version makes 503 hp and 442 lb-ft. The ride is firm, and the large wheels and stiff suspension trade comfort for sharp control.
• Safety package: The standard safety setup includes pedestrian detection, adaptive cruise control, parking sensors, and forward emergency braking. Blind-spot monitoring and lane-departure warning are optional on the Driving Assistance Package, while the Plus version adds lane keep assist, evasive steering assist, and Traffic Jam Assist.
• Infotainment: You get a sharp touchscreen, standard navigation, wireless Apple CarPlay, and no Android Auto. The system also supports 360-degree cameras, Gesture Control, and over-the-air-style convenience features such as onboard manual access and quick settings navigation.
• Fuel efficiency: The xDrive30i returns 24 city and 29 highway mpg, while the xDrive30e is rated at 24 mpg combined after its electric range is used up. The X3 M is rated at 14/19/16 mpg, and the review notes an indicated 15 mpg in testing.

Which 2020 BMW X3 M trim should I buy?

The 2020 BMW X3 M is offered in 2 trim levels: X3 M and X3 M Competition.

Here's the short version:

• Base trim: The X3 M gives you the core performance experience with 473 hp, 20-inch wheels, and the same aggressive M styling, but you still need to pay attention to the optional safety equipment if you want more driver assistance.
• Premium/top trim: The X3 M Competition is the one to choose if you want the full performance story, with 503 hp and 442 lb-ft, plus the most intense version of the chassis tuning and visual drama.

The safety package note to keep in mind is that pedestrian detection, adaptive cruise control, and parking sensors are standard, while blind-spot monitoring, lane-departure warning, lane keep assist, evasive steering assist, and Traffic Jam Assist depend on package selection.

Is now a good time to buy a used 2020 BMW X3 M?

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

• Deal availability: 37.0% of listings are priced as good or great deals.
• Inventory: There are 100 listings available.
• Price trend: Prices are up 1.78% year-over-year.
• Clean inventory: 79.0% of listings are accident-free.

If you find a listing below $42,772.07, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2020 BMW X3 M's resale value?

The current average of $45,709 sits slightly above last year's $44,907.

That kind of price movement suggests the market still sees value in this model year, even with its performance focus. If demand stays steady, sellers who maintain the vehicle well and keep mileage and condition in check should be better positioned when it’s time to list. The relatively strong pricing also hints that buyers continue to respond to the X3 M’s mix of utility and performance.

Vehicles with strong owner satisfaction ratings, like this model year's 4.88/5, tend to retain buyer demand, which supports resale value over time.

Is the 2020 BMW X3 M safe?

The 2020 X3 is rated a Top Safety Pick+ by the Insurance Institute for Highway Safety (IIHS) and earns five-star ratings from NHTSA overall and in all three crash tests in all tested passenger configurations.

It earns a 9/10 safety score from our experts.

The standard safety equipment includes pedestrian detection, adaptive cruise control, parking sensors, and forward emergency braking. Blind-spot monitoring and lane-departure warning are optional on the Driving Assistance Package, while the Plus version adds lane keep assist, evasive steering assist, and Traffic Jam Assist for semi-automated control. Auto high beams are part of another package.

Should I buy a 2020 BMW X3 M or consider a different year?

If you're weighing the 2020 against nearby model years, here's how to think about it:

Choose the 2020 if:

• 37.0% of listings are priced as good or great deals.
• Accident-free inventory is solid at 79% — always verify the vehicle history report.
• Price trend: Prices are up 1.78% year-over-year.
• Owners rate it 4.88/5 — a strong satisfaction signal.
• The 2020 model brings standard navigation, wireless Apple CarPlay, and the X3 M’s high-performance character in a package that still feels practical and upscale.

The bottom line: If you want the strongest blend of performance, tech, and everyday usability, the 2020 X3 M is the one to target. If you’re more price-sensitive, you can still shop the broader X3 lineup for a calmer, more affordable alternative, but you’ll give up the M’s urgency and much of its special character.

These recommendations are based on CarGurus' proprietary market data from August 21, 2026, CarGurus experts' opinions, and generative AI.