BMW M8 COMPETITION AUTO (2021)
Running costs, common problems, and reliability data based on 590 real MOT tests in 2024.
MOT Pass Rate
98%
Total Tests (2024)
590
Avg Mileage
22,960 mi
Est. Annual Cost
£2,037
Is the 2021 BMW M8 COMPETITION AUTO reliable?
Excellent reliability. Very few MOT failures. That's 16 points above the national average of 82%. It also outperforms the BMW brand average of 88%.
At 3 years old, 98% of BMW M8 COMPETITION AUTOs from 2021 passed their MOT first time in 2024. That's based on 590 tests across the UK. The average mileage at this age is 22,960 miles.
How does the 2021 BMW M8 COMPETITION AUTO compare?
Mileage Analysis
The average 2021 BMW M8 COMPETITION AUTO has 22,960 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 M8 COMPETITION 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 M8 COMPETITION AUTO by Year
Checking a specific BMW M8 COMPETITION AUTO?
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About the 2021 BMW M8 COMPETITION AUTO
The 2021 BMW M8 COMPETITION AUTO is a premium performance with a 4395cc petrol engine. 590 of these vehicles were MOT tested in 2024, making it a less common model in the UK market. It ranks in the top 5% of all 2021 cars for reliability.
With an average of 22,960 miles at 3 years old, BMW M8 COMPETITION AUTO owners drive about as much as the UK average.
2021 BMW M8 COMPETITION AUTO Fuel Costs
The 4395cc 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 2021 BMW M8 COMPETITION 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 98% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
BMW M8 COMPETITION AUTO Reliability Trend
The BMW M8 COMPETITION AUTO has maintained consistent MOT pass rates across model years, varying by only 1 percentage points.
Buying a Used 2021 BMW M8 COMPETITION 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 M8 COMPETITION AUTO
The BMW M8 COMPETITION AUTO is actually the most reliable option among similar petrol premium performances from this era. Here are comparable petrol cars with similar engines:
- MERCEDES C (2019) 91% pass rate (-7%) from 52,838 tests
- PORSCHE CAYENNE (2019) 95% pass rate (-3%) from 9,063 tests
- PORSCHE 911 (2019) 97% pass rate (-1%) from 7,188 tests
- AUDI A6 (2020) 94% pass rate (-4%) from 3,470 tests