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How Reliable is a BMW 420?

BMW 420's have a extremely good reliability rating of 760/999. The score was calculated from the average of every BMW 420 that has had a registered MOT.

We calculated all of the below figures by getting the score from each vehicle make/model/year/fuel, which are each calculated a score. We then generate the average score, taking into account factors such as mileage and emissions.

Also check BHP & performance, road tax, fuel economy, CO2 emissions, and service history for the BMW 420.

Fuel TypeYearReliability ScoreAvg MileageSample Size
N/AN/A842/999Excellent84,920 miles1,886 vehicles
N/AN/A802/999Excellent73,154 miles3,470 vehicles
N/AN/A781/999Very good89,059 miles1,623 vehicles
N/AN/A760/999Very good81,862 miles1,931 vehicles
N/AN/A756/999Very good75,150 miles5,214 vehicles
N/AN/A735/999Very good76,049 miles7,159 vehicles
N/AN/A735/999Very good75,393 miles1,615 vehicles
N/AN/A667/999Good82,865 miles1,973 vehicles

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