BMW 318D M SPORT MHEV AUTO (2021)
Running costs, common problems, and reliability data based on 811 real MOT tests in 2024.
MOT Pass Rate
88%
Total Tests (2024)
811
Avg Mileage
37,259 mi
Est. Annual Cost
£1,922
Is the 2021 BMW 318D M SPORT MHEV AUTO reliable?
Good reliability. Occasional issues but generally solid. That's 6 points above the national average of 82%.
At 3 years old, 88% of BMW 318D M SPORT MHEV AUTOs from 2021 passed their MOT first time in 2024. That's based on 811 tests across the UK. The average mileage at this age is 37,259 miles.
How does the 2021 BMW 318D M SPORT MHEV AUTO compare?
Mileage Analysis
The average 2021 BMW 318D M SPORT MHEV AUTO has 37,259 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 318D M SPORT MHEV AUTO?
The most reliable year is the 2020 model with a 90% MOT pass rate, while the 2021 model has the lowest at 88%. Consider a different year if reliability is a priority.
How much does a 2021 BMW 318D M SPORT 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 318D M SPORT MHEV AUTO by Year
Checking a specific BMW 318D M SPORT MHEV AUTO?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2021 BMW 318D M SPORT MHEV AUTO
The 2021 BMW 318D M SPORT MHEV AUTO is a premium with a 1995cc petrol engine. 811 of these vehicles were MOT tested in 2024, making it a less common model in the UK market. It sits in the bottom 84% of 2021 cars for MOT pass rates.
With an average of 37,259 miles at 3 years old, BMW 318D M SPORT MHEV 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 318D M SPORT MHEV AUTO Fuel Costs
The 1995cc petrol engine offers a reasonable balance between performance and economy. Expect around 36 mpg in mixed driving, which works out to roughly £1,327 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 318D M SPORT MHEV AUTO?
Total estimated annual running cost is £1,922 (£160/month), broken down as £1327 fuel, £190 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 88% pass rate. Keeping on top of servicing will help avoid surprises.
Buying a Used 2021 BMW 318D M SPORT 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.
Alternatives to the 2021 BMW 318D M SPORT MHEV AUTO
If reliability is your priority, there are 4 similar cars with a higher MOT pass rate. Here are comparable petrol cars with similar engines:
- LAND ROVER DISCOVERY SPORT R-DYN SE D A (2020) 90% pass rate (+2%) from 5,505 tests
- BMW 520D M SPORT MHEV AUTO (2021) 89% pass rate (+1%) from 3,423 tests
- BMW 320D M SPORT MHEV AUTO (2021) 91% pass rate (+3%) from 3,336 tests
- VOLVO XC90 R-DESIGN B5 MHEV AWD AUTO (2021) 90% pass rate (+2%) from 2,911 tests