RegVerdict Model Intelligence
BMW 420I M Sport Auto reliability
MOT pass rates & common faults·6,865 DVSA tests·2024
Across 6,865 real DVSA MOT tests in 2024, 92% of BMW 420I M Sport Auto cars aged up to 3 years pass their MOT first time, in line with the 89% average for cars of that age. It holds up especially well on body & structure and brakes.
92%
Average for its agepass first time (up to 3 years)
Average for its age · beats 73% of peers
In line
MOT pass rate by age
Up to 3 years
6,865 tests · fleet 89%
92%
Where the 420I M Sport Auto fails
Suspension100
Brakes100
Body & structure100
Steering100
Tyres96
Lights & electrics99
Holds up better on body & structure, brakes, visibility.
Share of up to 3 years BMW 420I M Sport Auto MOTs with no fault in each area; the marker shows the fleet average. OGL v3.0.
Common questions
Is the BMW 420I M Sport Auto reliable?
On 2024 MOT data the BMW 420I M Sport Auto is about average for its age: 92% of examples aged up to 3 years pass first time, against a 89% fleet average. That puts it ahead of 73% of similar-age models.
What is the MOT pass rate for a BMW 420I M Sport Auto?
First-time MOT pass rates for the BMW 420I M Sport Auto in 2024: up to 3 years, 92%. Pass rates fall with age across the whole fleet, so compare each figure with cars of the same age, not with a new car.
What commonly fails on a BMW 420I M Sport Auto MOT?
No single area stands out as a recurring weakness for the BMW 420I M Sport Auto versus other cars of the same age. Its MOT failures are spread across the usual wear items (tyres, brakes, lamps).
Other BMW models
Check a BMW 420I M Sport Auto’s full history