BMW X4 M40I MHEV AUTO (2021)
Running costs, common problems, and reliability data based on 47 real MOT tests in 2024.
MOT Pass Rate
91%
Total Tests (2024)
47
Avg Mileage
21,312 mi
Est. Annual Cost
£2,037
Is the 2021 BMW X4 M40I MHEV AUTO reliable?
Excellent reliability. Very few MOT failures. That's 9 points above the national average of 82%.
At 3 years old, 91% of BMW X4 M40I MHEV AUTOs from 2021 passed their MOT first time in 2024. That's based on 47 tests across the UK. The average mileage at this age is 21,312 miles.
How does the 2021 BMW X4 M40I MHEV AUTO compare?
Mileage Analysis
The average 2021 BMW X4 M40I MHEV AUTO has 21,312 miles on the clock, which is in line with the expected 22,200 miles for a 3-year-old car, suggesting normal everyday use.
How much does a 2021 BMW X4 M40I 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.
Checking a specific BMW X4 M40I MHEV AUTO?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2021 BMW X4 M40I MHEV AUTO
The 2021 BMW X4 M40I MHEV AUTO is a premium performance with a 2998cc hybrid engine. 47 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. Among all cars from 2021, the average MOT pass rate is 92%, and this model falls short of that benchmark.
With an average of 21,312 miles at 3 years old, BMW X4 M40I MHEV AUTO owners drive about as much as the UK average.
2021 BMW X4 M40I MHEV AUTO Fuel Costs
The 2998cc hybrid 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 hybrid prices of 142p per litre (based on 7,400 miles per year). As a hybrid, real-world fuel costs will vary significantly depending on how much electric-only driving you do.
What does it cost to own a 2021 BMW X4 M40I 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 91% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
Buying a Used 2021 BMW X4 M40I 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. Note: with only 47 tests in our data, these figures should be treated as indicative rather than definitive.
Alternatives to the 2021 BMW X4 M40I MHEV AUTO
If reliability is your priority, there are 3 similar cars with a higher MOT pass rate. Here are comparable hybrid cars with similar engines:
- TOYOTA RAV4 (2020) 95% pass rate (+4%) from 21,063 tests
- BMW X5 XDRIVE45E M SPORT AUTO (2021) 88% pass rate (-3%) from 7,560 tests
- BMW M340I XDRIVE MHEV AUTO (2021) 93% pass rate (+2%) from 4,809 tests
- LEXUS RX (2019) 96% pass rate (+5%) from 4,047 tests