BMW 840D XDRIVE M SPORT MHEV AUTO (2020)
Running costs, common problems, and reliability data based on 42 real MOT tests in 2024.
MOT Pass Rate
88%
Total Tests (2024)
42
Avg Mileage
44,410 mi
Est. Annual Cost
£2,187
Is the 2020 BMW 840D XDRIVE M SPORT MHEV AUTO reliable?
Good reliability. Occasional issues but generally solid. That's 6 points above the national average of 82%.
At 4 years old, 88% of BMW 840D XDRIVE M SPORT MHEV AUTOs from 2020 passed their MOT first time in 2024. That's based on 42 tests across the UK. The average mileage at this age is 44,410 miles.
How does the 2020 BMW 840D XDRIVE M SPORT MHEV AUTO compare?
Mileage Analysis
The average 2020 BMW 840D XDRIVE M SPORT MHEV AUTO has 44,410 miles on the clock, which is well above the expected 29,600 miles for a 4-year-old car. Check service history carefully, as high-mileage cars need consistent maintenance to stay reliable.
How much does a 2020 BMW 840D XDRIVE 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 840D XDRIVE M SPORT MHEV AUTO by Year
Checking a specific BMW 840D XDRIVE M SPORT MHEV AUTO?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2020 BMW 840D XDRIVE M SPORT MHEV AUTO
The 2020 BMW 840D XDRIVE M SPORT MHEV AUTO is a premium performance with a 2993cc petrol engine. 42 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. It sits in the bottom 85% of 2020 cars for MOT pass rates.
With an average of 44,410 miles at 4 years old, BMW 840D XDRIVE 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.
2020 BMW 840D XDRIVE M SPORT MHEV 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 2020 BMW 840D XDRIVE M SPORT MHEV AUTO?
Total estimated annual running cost is £2,187 (£182/month), broken down as £1592 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 2020 BMW 840D XDRIVE M SPORT MHEV AUTO
At 4 years old, the BMW 840D XDRIVE M SPORT MHEV AUTO offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost. Note: with only 42 tests in our data, these figures should be treated as indicative rather than definitive.
Alternatives to the 2020 BMW 840D XDRIVE 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 RANGE ROVER VELAR (2020) 92% pass rate (+4%) from 12,413 tests
- BMW X5 XDRIVE30D M SPORT MHEV AUTO (2021) 92% pass rate (+4%) from 4,006 tests
- BMW M340D XDRIVE MHEV AUTO (2021) 92% pass rate (+4%) from 3,975 tests
- BMW 530D XDRIVE M SPORT MHEV AUTO (2021) 89% pass rate (+1%) from 2,114 tests