BMW X3 M40D MHEV AUTO (2021)
Running costs, common problems, and reliability data based on 488 real MOT tests in 2024.
MOT Pass Rate
94%
Total Tests (2024)
488
Avg Mileage
30,448 mi
Est. Annual Cost
£2,037
Is the 2021 BMW X3 M40D MHEV AUTO reliable?
Excellent reliability. Very few MOT failures. That's 12 points above the national average of 82%. It also outperforms the BMW brand average of 88%.
At 3 years old, 94% of BMW X3 M40D MHEV AUTOs from 2021 passed their MOT first time in 2024. That's based on 488 tests across the UK. The average mileage at this age is 30,448 miles.
How does the 2021 BMW X3 M40D MHEV AUTO compare?
Mileage Analysis
The average 2021 BMW X3 M40D MHEV AUTO has 30,448 miles on the clock, which is above the expected 22,200 miles for a 3-year-old car. Higher-mileage cars often have more motorway miles, which is generally less harmful than stop-start urban driving.
Best year to buy a BMW X3 M40D MHEV AUTO?
The most reliable year is the 2022 model with a 100% MOT pass rate, while the 2020 model has the lowest at 89%. The 2021 sits between the two at 94%.
How much does a 2021 BMW X3 M40D MHEV AUTO cost to run?
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.
BMW X3 M40D MHEV AUTO by Year
Checking a specific BMW X3 M40D MHEV AUTO?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2021 BMW X3 M40D MHEV AUTO
The 2021 BMW X3 M40D MHEV AUTO is a premium performance with a 2993cc petrol engine. 488 of these vehicles were MOT tested in 2024, making it a less common model in the UK market. Among all cars from 2021, the average MOT pass rate is 92%, and this model beats that benchmark.
With an average of 30,448 miles at 3 years old, BMW X3 M40D MHEV AUTO owners cover more miles than the average driver.
2021 BMW X3 M40D MHEV AUTO Fuel Costs
The 2993cc petrol engine is on the larger side, so fuel won't be this car's strong point. Expect around 30 mpg in mixed driving, which works out to roughly £1,592 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).
What does it cost to own a 2021 BMW X3 M40D MHEV AUTO?
Total estimated annual running cost is £2,037 (£170/month), broken down as £1592 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 94% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
BMW X3 M40D MHEV AUTO Reliability Trend
Newer BMW X3 M40D MHEV AUTOs show better MOT pass rates than older ones, with an average improvement of 8 percentage points.
Buying a Used 2021 BMW X3 M40D MHEV AUTO
At 3 years old, this is still relatively fresh. You may find examples with remaining manufacturer warranty. Depreciation is slowing but hasn't bottomed out yet. If you're flexible on year, the 2022 model has the highest pass rate at 100%.
Alternatives to the 2021 BMW X3 M40D MHEV AUTO
The BMW X3 M40D MHEV AUTO is actually the most reliable option among similar petrol premium performances from this era. Here are comparable petrol cars with similar engines:
- LAND ROVER RANGE ROVER VELAR (2020) 92% pass rate (-2%) from 12,413 tests
- BMW X5 XDRIVE30D M SPORT MHEV AUTO (2021) 92% pass rate (-2%) from 4,006 tests
- BMW M340D XDRIVE MHEV AUTO (2021) 92% pass rate (-2%) from 3,975 tests
- BMW 530D XDRIVE M SPORT MHEV AUTO (2021) 89% pass rate (-5%) from 2,114 tests