Used 2020 BMW X3 M for Sale near Wisconsin

How much does the 2020 BMW X3 M cost?

Prices have softened 6.48% compared to this time last year, making it a favorable time to shop this model year.

There are 103 listings available, which gives you a modest amount of inventory to compare before you buy.

Is the 2020 BMW X3 M a good car?

Yes — the 2020 BMW X3 M earns a 4.9/5 user rating and an 8.3/10 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, and the feedback also highlights that it feels strong both on the track and in everyday driving. The overview points to the same appeal: this is a performance-focused small luxury SUV that still delivers the utility you expect from the segment.

The trade-offs are clear as well. The expert review notes that advanced safety features are not standard, and owners mention a subdued exhaust note plus fuel economy that may not satisfy everyone.

With 38.8% of listings marked as good or great deals, you have some room to shop carefully without losing the performance character that makes this model stand out.

Is the 2020 BMW X3 M reliable?

Owners rate it 4.9/5, a strong signal of long-term satisfaction.

The owner feedback points to a vehicle that feels dependable in the ways that matter to shoppers who want a performance SUV they can count on, with praise centered on strong power, sporty handling, and a design that continues to appeal. The expert review also reinforces that this is a well-built, high-quality SUV with a straightforward layout and a premium feel that should age well.

BMW includes three-year/36,000-mile maintenance, which helps reduce early ownership costs. For used buyers, the bigger long-term risk is not day-to-day dependability so much as the cost of keeping a high-performance luxury SUV in top shape once routine coverage ends.

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

At 71.8% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.

You should start with a vehicle history report and then prioritize a pre-purchase inspection, especially if the listing price looks unusually attractive. Focus on condition, maintenance records, and signs of prior bodywork so you can separate a clean example from one that has been repaired after damage.

Key things to evaluate:

• Trim level: The standard X3 M is the performance-focused version, with aggressive styling, 21-inch wheels, quad exhaust outlets, and M-specific interior details such as bucket seats and carbon-fiber trim. The content also notes that advanced safety features are not standard.
• Powertrain: It uses a twin-turbo 3.0-liter inline-six with 473 hp, and the Competition version raises output to 503 horsepower. The engine is described as smooth, sonorous, and always ready to respond.
• Safety package: The standard safety equipment includes pedestrian detection, adaptive cruise control, parking sensors, and forward emergency braking. Blind-spot monitoring, lane-departure warning, lane keep assist, evasive steering assist, and Traffic Jam Assist are tied to optional driver-assistance packages, so check carefully for missing features.
• Infotainment: You get a sharp, fast touchscreen with standard navigation, wireless Apple CarPlay, and no Android Auto. The system also supports 360-degree cameras, gesture control, and onboard manual access.
• Fuel efficiency: The performance-focused setup is rated at 15 mpg in the expert review, and the broader X3 M figures cited there are 14/19/16.

Which 2020 BMW X3 M trim should I buy?

The 2020 BMW X3 M is offered in 1 trim level: X3 M.

Here's the short version:

The X3 M: This is the only standard gas trim explicitly identified in the content, and it is the one to buy if you want the full performance-first character of the model. It brings the aggressive M styling, the high-output twin-turbo inline-six, and the track-tuned chassis that make this SUV feel special. If you want the best-value path into the lineup, this is it, since there isn’t a lower gas trim to step through first.

The safety content notes that advanced driver-assistance features are not standard, so check the equipment list carefully if those matter to you.

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

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

• Deal availability: 38.8% of listings are priced as good or great deals.
• Inventory: There are 103 listings available.
• Price trend: Prices have softened 6.48% compared with last year.
• Clean inventory: 71.8% of listings are accident-free.

If you find a listing below $42,310, 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 $42,310 sits slightly below last year's $45,240.

That decline suggests the market has already adjusted downward, which can help you as a buyer today but may limit upside if you plan to resell soon. For a future seller, the key takeaway is that this model’s value is being shaped by depreciation and by how well the vehicle has been maintained.

Strong owner satisfaction can help support demand when it’s time to sell. Vehicles with strong owner satisfaction ratings, like this model year's 4.9/5, 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) for the best scores in six crash tests, optional adaptive bi-LED headlights, and the standard forward emergency braking. The National Highway Traffic Safety Administration (NHTSA) rated the 2020 X3 five out of five stars overall and for all three crash tests in all tested passenger configurations.

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

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:

• 38.8% of listings are priced as good or great deals.
• At 71.8% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 6.48% compared with last year.
• Owners rate it 4.9/5 — a strong satisfaction signal.
• The 2020 model brings standard navigation and wireless Apple CarPlay, plus the performance-focused X3 M setup that was described as track-tuned and exceptionally capable.

The bottom line: If you want the sharpest, most performance-focused version of the X3 and you’re comfortable shopping carefully for condition and equipment, the 2020 is the right target. If you’re more price-sensitive, you may want to compare listings closely and prioritize the cleanest, best-maintained example rather than chasing the lowest sticker.

How does the 2020 BMW X3 M compare to the 2020 Audi Q5?

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