BMW M6 (2015)
Running costs, common problems, and reliability data based on 629 real MOT tests in 2024.
MOT Pass Rate
92%
Total Tests (2024)
629
Avg Mileage
55,303 mi
Est. Annual Cost
£2,097
Is the 2015 BMW M6 reliable?
Excellent reliability. Very few MOT failures. That's 10 points above the national average of 82%. It also outperforms the BMW brand average of 88%.
At 9 years old, 92% of BMW M6s from 2015 passed their MOT first time in 2024. That's based on 629 tests across the UK. The average mileage at this age is 55,303 miles.
How does the 2015 BMW M6 compare?
Mileage Analysis
The average 2015 BMW M6 has 55,303 miles on the clock, which is in line with the expected 66,600 miles for a 9-year-old car, suggesting normal everyday use.
Best year to buy a BMW M6?
The most reliable year is the 2014 model with a 95% MOT pass rate, while the 2005 model has the lowest at 87%. The 2015 sits between the two at 92%.
How much does a 2015 BMW M6 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 M6 by Year
Checking a specific BMW M6?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2015 BMW M6
The 2015 BMW M6 is a premium performance with a 4395cc petrol engine. 629 of these vehicles were MOT tested in 2024, making it a less common model in the UK market. It ranks in the top 21% of all 2015 cars for reliability.
With an average of 55,303 miles at 9 years old, BMW M6 owners drive about as much as the UK average.
2015 BMW M6 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 2015 BMW M6?
Total estimated annual running cost is £2,097 (£175/month), broken down as £1592 fuel, £250 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 92% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
BMW M6 Reliability Trend
The BMW M6 has maintained consistent MOT pass rates across model years, varying by only 2 percentage points.
Buying a Used 2015 BMW M6
At 9 years old, this is a solid used buy if you find one with good service history. Depreciation has levelled off, so you won't lose much more value. Focus on condition over mileage. If you're flexible on year, the 2014 model has the highest pass rate at 95%.
Alternatives to the 2015 BMW M6
If reliability is your priority, there's one similar car with a higher MOT pass rate. Here are comparable petrol cars with similar engines:
- MERCEDES C (2016) 88% pass rate (-4%) from 80,181 tests
- AUDI A6 (2016) 89% pass rate (-3%) from 26,437 tests
- PORSCHE 911 (2017) 97% pass rate (+5%) from 6,200 tests
- BMW X6 (2017) 92% pass rate (same) from 3,667 tests