BMW X7 (2021)
Running costs, common problems, and reliability data based on 227 real MOT tests in 2024.
MOT Pass Rate
89%
Total Tests (2024)
227
Avg Mileage
38,478 mi
Est. Annual Cost
£1,840
Is the 2021 BMW X7 reliable?
Good reliability. Occasional issues but generally solid. That's 7 points above the national average of 82%.
At 3 years old, 89% of BMW X7s from 2021 passed their MOT first time in 2024. That's based on 227 tests across the UK. The average mileage at this age is 38,478 miles.
How does the 2021 BMW X7 compare?
Mileage Analysis
The average 2021 BMW X7 has 38,478 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 X7?
The most reliable year is the 2020 model with a 91% MOT pass rate, while the 2021 model has the lowest at 89%. Consider a different year if reliability is a priority.
How much does a 2021 BMW X7 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 X7 by Year
Checking a specific BMW X7?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2021 BMW X7
The 2021 BMW X7 is a premium performance with a 2993cc diesel engine. 227 of these vehicles were MOT tested in 2024, making it a less common model in the UK market. It sits in the bottom 81% of 2021 cars for MOT pass rates.
With an average of 38,478 miles at 3 years old, BMW X7 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 X7 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 X7?
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 89% pass rate. Keeping on top of servicing will help avoid surprises.
BMW X7 Reliability Trend
The BMW X7 has maintained consistent MOT pass rates across model years, varying by only 0 percentage points.
Buying a Used 2021 BMW X7
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 X7
If reliability is your priority, there are 3 similar cars with a higher MOT pass rate. Here are comparable diesel cars with similar engines:
- MERCEDES E (2019) 90% pass rate (+1%) from 41,000 tests
- FORD RANGER (2019) 87% pass rate (-2%) from 32,194 tests
- AUDI Q5 (2019) 93% pass rate (+4%) from 24,241 tests
- AUDI A5 (2019) 90% pass rate (+1%) from 22,290 tests