BMW M3 COMPETITION M XDRIVE AUTO (2021)
Running costs, common problems, and reliability data based on 588 real MOT tests in 2024.
MOT Pass Rate
97%
Total Tests (2024)
588
Avg Mileage
22,556 mi
Est. Annual Cost
£2,037
Is the 2021 BMW M3 COMPETITION M XDRIVE AUTO reliable?
Excellent reliability. Very few MOT failures. That's 15 points above the national average of 82%. It also outperforms the BMW brand average of 88%.
At 3 years old, 97% of BMW M3 COMPETITION M XDRIVE AUTOs from 2021 passed their MOT first time in 2024. That's based on 588 tests across the UK. The average mileage at this age is 22,556 miles.
How does the 2021 BMW M3 COMPETITION M XDRIVE AUTO compare?
Mileage Analysis
The average 2021 BMW M3 COMPETITION M XDRIVE AUTO has 22,556 miles on the clock, which is in line with the expected 22,200 miles for a 3-year-old car, suggesting normal everyday use.
Best year to buy a BMW M3 COMPETITION M XDRIVE AUTO?
The most reliable year is the 2022 model with a 100% MOT pass rate, while the 2021 model has the lowest at 97%. Consider a different year if reliability is a priority.
How much does a 2021 BMW M3 COMPETITION M XDRIVE 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 M3 COMPETITION M XDRIVE AUTO by Year
Checking a specific BMW M3 COMPETITION M XDRIVE AUTO?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2021 BMW M3 COMPETITION M XDRIVE AUTO
The 2021 BMW M3 COMPETITION M XDRIVE AUTO is a premium performance with a 2993cc petrol engine. 588 of these vehicles were MOT tested in 2024, making it a less common model in the UK market. It ranks in the top 9% of all 2021 cars for reliability.
With an average of 22,556 miles at 3 years old, BMW M3 COMPETITION M XDRIVE AUTO owners drive about as much as the UK average.
2021 BMW M3 COMPETITION M XDRIVE 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 M3 COMPETITION M XDRIVE 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 97% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
Buying a Used 2021 BMW M3 COMPETITION M XDRIVE 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.
Alternatives to the 2021 BMW M3 COMPETITION M XDRIVE AUTO
The BMW M3 COMPETITION M XDRIVE AUTO is actually the most reliable option among similar petrol premium performances from this era. Here are comparable petrol cars with similar engines:
- BMW 5 SERIES (2019) 92% pass rate (-5%) from 33,766 tests
- BMW X3 (2019) 92% pass rate (-5%) from 32,937 tests
- MERCEDES GLC (2019) 93% pass rate (-4%) from 30,341 tests
- BMW X5 (2019) 92% pass rate (-5%) from 23,506 tests