Bmw 645
Reliability, running costs, and MOT data across 3 years from 3,651 real MOT tests.
Avg Pass Rate
85%
Total Tests
3,651
Best Year
2005 (86%)
Years Covered
3
How reliable is the Bmw 645?
Bmw 645 by Year
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About the Bmw 645
The Bmw 645 has been tested 3,651 times in 2024 MOT data across 3 model years (2004 to 2011), with an average pass rate of 85%. That's slightly above the national average of 82%. Available as petrol.
Best and Worst Years
The 2005 model is the most reliable with a 86% pass rate from 1,061 tests. The 2004 model has the lowest at 83%. With just a 3 point spread, the 645 is consistently reliable regardless of year.
Reliability Trend
The BMW 645 has maintained consistent MOT pass rates across model years, varying by only 3 percentage points.
Mileage Across Years
The oldest model in our data (2004) averages 105,730 miles, while the newest (2011) averages 76,143 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.