BMW X6 M50D AUTO (2021)
Running costs, common problems, and reliability data based on 50 real MOT tests in 2024.
MOT Pass Rate
86%
Total Tests (2024)
50
Avg Mileage
35,421 mi
Est. Annual Cost
£1,840
Is the 2021 BMW X6 M50D AUTO reliable?
Good reliability. Occasional issues but generally solid. That's close to the national average of 82%.
At 3 years old, 86% of BMW X6 M50D AUTOs from 2021 passed their MOT first time in 2024. That's based on 50 tests across the UK. The average mileage at this age is 35,421 miles.
How does the 2021 BMW X6 M50D AUTO compare?
Mileage Analysis
The average 2021 BMW X6 M50D AUTO has 35,421 miles on the clock, which is well above the expected 22,200 miles for a 3-year-old car. Check service history carefully, as high-mileage cars need consistent maintenance to stay reliable.
Best year to buy a BMW X6 M50D AUTO?
The most reliable year is the 2020 model with a 94% MOT pass rate, while the 2021 model has the lowest at 86%. Consider a different year if reliability is a priority.
How much does a 2021 BMW X6 M50D 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 X6 M50D AUTO by Year
Checking a specific BMW X6 M50D AUTO?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2021 BMW X6 M50D AUTO
The 2021 BMW X6 M50D AUTO is a premium performance with a 2993cc diesel engine. 50 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. It sits in the bottom 91% of 2021 cars for MOT pass rates.
With an average of 35,421 miles at 3 years old, BMW X6 M50D AUTO owners cover more miles than the average driver. High-mileage examples should be checked carefully for wear on suspension, brakes, and drivetrain components.
2021 BMW X6 M50D AUTO Fuel Costs
The 2993cc diesel engine is on the larger side, so fuel won't be this car's strong point. Expect around 40 mpg in mixed driving, which works out to roughly £1,245 per year at current diesel prices of 148p per litre (based on 7,400 miles per year).
What does it cost to own a 2021 BMW X6 M50D AUTO?
Total estimated annual running cost is £1,840 (£153/month), broken down as £1245 fuel, £190 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 86% pass rate. Keeping on top of servicing will help avoid surprises.
BMW X6 M50D AUTO Reliability Trend
Older BMW X6 M50D AUTOs tend to have better MOT pass rates than newer ones, with an average decline of 4 percentage points across model years.
Buying a Used 2021 BMW X6 M50D 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. Note: with only 50 tests in our data, these figures should be treated as indicative rather than definitive.
Alternatives to the 2021 BMW X6 M50D AUTO
If reliability is your priority, there are 4 similar cars with a higher MOT pass rate. Here are comparable diesel cars with similar engines:
- MERCEDES E (2019) 90% pass rate (+4%) from 41,000 tests
- FORD RANGER (2019) 87% pass rate (+1%) from 32,194 tests
- AUDI Q5 (2019) 93% pass rate (+7%) from 24,241 tests
- AUDI A5 (2019) 90% pass rate (+4%) from 22,290 tests