Bmw M5
Reliability, running costs, and MOT data across 27 years from 9,944 real MOT tests.
Avg Pass Rate
93%
Total Tests
9,944
Best Year
1995 (100%)
Years Covered
27
How reliable is the Bmw M5?
Bmw M5 by Year
| Year | Pass Rate | Tests | Avg Mileage |
|---|---|---|---|
| 2021 | 100% | 43 | 45,385 mi |
| 2020 | 100% | 35 | 34,728 mi |
| 2019 | 95% | 255 | 39,872 mi |
| 2018 | 92% | 50 | 45,133 mi |
| 2017 | 100% | 39 | 58,281 mi |
| 2016 | 94% | 1,332 | 59,490 mi |
| 2015 | 94% | 1,111 | 60,765 mi |
| 2014 | 94% | 1,304 | 62,382 mi |
| 2013 | 91% | 1,310 | 66,323 mi |
| 2012 | 95% | 815 | 76,211 mi |
| 2011 | 95% | 219 | 76,893 mi |
| 2010 | 77% | 35 | 77,493 mi |
| 2009 | 97% | 30 | 74,096 mi |
| 2008 | 95% | 229 | 81,787 mi |
| 2007 | 95% | 467 | 83,923 mi |
| 2006 | 89% | 466 | 84,560 mi |
| 2005 | 91% | 597 | 92,623 mi |
| 2003 | 94% | 62 | 121,472 mi |
| 2002 | 90% | 272 | 119,488 mi |
| 2001 | 90% | 435 | 117,951 mi |
| 2000 | 85% | 359 | 125,310 mi |
| 1999 | 89% | 229 | 124,156 mi |
| 1995 | 100% | 44 | 125,572 mi |
| 1994 | 90% | 50 | 115,651 mi |
| 1993 | 90% | 62 | 127,582 mi |
| 1992 | 92% | 48 | 150,004 mi |
| 1991 | 91% | 46 | 110,152 mi |
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About the Bmw M5
The Bmw M5 has been tested 9,944 times in 2024 MOT data across 27 model years (1991 to 2021), with an average pass rate of 93%. That's comfortably above the national average of 82%, making it a reliable choice. Available as petrol.
Best and Worst Years
The 1995 model is the most reliable with a 100% pass rate from 44 tests. The 2010 model has the lowest at 77%. With a 23 point spread, choosing the right year makes a big difference to reliability.
Reliability Trend
Newer BMW M5s show better MOT pass rates than older ones, with an average improvement of 4 percentage points.
Mileage Across Years
The oldest model in our data (1991) averages 110,152 miles, while the newest (2021) averages 45,385 miles. Older models have covered serious mileage, so suspension and drivetrain wear are worth checking.
Compared to the Bmw brand average of 88%, the M5 performs 5 points better, making it one of the more reliable options in the Bmw range.
Click any year in the table above to see detailed running costs, individual reliability data, and comparisons with similar cars.