Bmw 6 series
Reliability, running costs, and MOT data across 15 years from 11,832 real MOT tests.
Avg Pass Rate
87%
Total Tests
11,832
Best Year
2020 (93%)
Years Covered
15
How reliable is the Bmw 6 series?
Bmw 6 series by Year
| Year | Pass Rate | Tests | Avg Mileage |
|---|---|---|---|
| 2020 | 93% | 662 | 38,758 mi |
| 2019 | 92% | 2,297 | 51,326 mi |
| 2018 | 91% | 3,656 | 56,355 mi |
| 2017 | 88% | 632 | 62,077 mi |
| 2014 | 86% | 66 | 87,054 mi |
| 2013 | 88% | 1,897 | 91,528 mi |
| 2012 | 89% | 1,275 | 95,998 mi |
| 2011 | 89% | 247 | 80,577 mi |
| 2010 | 82% | 127 | 105,279 mi |
| 2009 | 86% | 125 | 110,442 mi |
| 2008 | 80% | 171 | 117,234 mi |
| 2007 | 90% | 203 | 114,661 mi |
| 2006 | 82% | 288 | 121,301 mi |
| 2005 | 80% | 147 | 116,696 mi |
| 1990 | 85% | 39 | 122,050 mi |
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About the Bmw 6 series
The Bmw 6 series has been tested 11,832 times in 2024 MOT data across 15 model years (1990 to 2020), with an average pass rate of 87%. That's slightly above the national average of 82%. Available as petrol and diesel.
Best and Worst Years
The 2020 model is the most reliable with a 93% pass rate from 662 tests. The 2008 model has the lowest at 80%. The 13 point spread between years means reliability varies somewhat, but no year is dramatically different.
Reliability Trend
Newer BMW 6 SERIESs show better MOT pass rates than older ones, with an average improvement of 5 percentage points.
Mileage Across Years
The oldest model in our data (1990) averages 122,050 miles, while the newest (2020) averages 38,758 miles. Older models have covered serious mileage, so suspension and drivetrain wear are worth checking.
Click any year in the table above to see detailed running costs, individual reliability data, and comparisons with similar cars.