BMW 645
Reliability, estimated running costs, and MOT data across 3 model years from 3,651 MOT tests in 2024.
Avg Pass Rate
85%
Total Tests
3,651
Highest Pass Rate
2005 (86%)
Years Covered
3
About the BMW 645
The BMW 645 was MOT tested 3,651 times in 2024 (DVSA data, retests included) across 3 model years (2004 to 2011), with an average pass rate of 85%. That's slightly above the average of 82% across all models in our data. Our records list petrol versions.
Best and Worst Years
Of the years with at least 100 tests, the 2005 model has the highest pass rate at 86% from 1,061 tests. The 2004 model has the lowest at 83%. With just a 3 point gap, pass rates are similar across these years. Newer cars usually pass more often simply because they are younger.
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.
Estimated Running Costs
Based on 7,400 miles/year, average pump prices of 174.57p petrol and 199.33p diesel (GOV.UK weekly road fuel prices, week of 19 October 2026), and MOT pass rate data. Insurance not included.
Full 2011 detailsHow reliable is the BMW 645?
BMW 645 by Year
Click any year to see detailed running costs, reliability data, and comparisons with similar cars.
Questions about the BMW 645
Is the BMW 645 reliable?
Across its 3 model years in our data (2004 to 2011), the BMW 645 averages an 85% MOT pass rate, from 3,651 tests (DVSA MOT data for tests in 2024, retests included). That's 3 points above the average of 82% across all models in the same data. The 2005 model has the highest pass rate of the years with at least 100 tests, at 86%.
Which year BMW 645 has the best MOT pass rate?
Of the years with at least 100 tests, the 2005 BMW 645 has the highest MOT pass rate at 86%, while the 2004 model has the lowest at 83%, a 3 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.
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