CarCostCheck

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

About the Bmw 645

The Bmw 645 has been tested 3,651 times in 2026 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.

Estimated Running Costs

Fuel (Petrol, 4398cc)
£1,592
Road Tax
£760
MOT Test
£55
Predicted Repairs
£350
Total per year£2,757
Per month£230/mo

Based on 7,400 miles/year, current fuel prices, and MOT pass rate data. Insurance not included.

Full 2011 details

How reliable is the Bmw 645?

vs national average+3% (82% avg)
vs Bmw brand average-3% (88% avg)
Best to worst year spread3 percentage points
Reliability trendStable over years

Bmw 645 by Year

Click any year to see detailed running costs, reliability data, and comparisons with similar cars.

YearPass RateTestsAvg Mileage
201185%5276,143 mi
200586%1,061103,715 mi
200483%2,538105,730 mi

Bmw 645 Guides & Articles

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