← View More BMW Models
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 Type | Year | Reliability Score | Avg Mileage | Sample Size |
|---|---|---|---|---|
| N/A | N/A | 842/999Excellent | 84,920 miles | 1,886 vehicles |
| N/A | N/A | 802/999Excellent | 73,154 miles | 3,470 vehicles |
| N/A | N/A | 781/999Very good | 89,059 miles | 1,623 vehicles |
| N/A | N/A | 760/999Very good | 81,862 miles | 1,931 vehicles |
| N/A | N/A | 756/999Very good | 75,150 miles | 5,214 vehicles |
| N/A | N/A | 735/999Very good | 76,049 miles | 7,159 vehicles |
| N/A | N/A | 735/999Very good | 75,393 miles | 1,615 vehicles |
| N/A | N/A | 667/999Good | 82,865 miles | 1,973 vehicles |