MOTScout

BMW 420 MOT Data

Pass rate, failures & statistics from 120,067 tests

89.3%
Pass Rate

Excellent

Reliability Verdict

#212

of 605 models

65%

Better than X% of cars

+7.0%

vs National Average

Common MOT Failures

Tyres280,300
Brakes238,355
Suspension186,282
Lamps, reflectors and electrical equipment122,701
Noise, emissions and leaks59,268
Visibility56,842
Body, chassis, structure31,208
Non-component advisories30,371

Number of failure items recorded across all MOT tests

Mileage Distribution

0–30K miles11,238
30–60K miles39,466
60–90K miles41,783
90–120K miles18,334
120K+ miles9,245

How It Compares

ModelPass Rate
BMW 42089.3%

BMW 420 — MOT Overview

Based on 120,067 MOT tests, the BMW 420 has an overall pass rate of 89.3%. This is above the national average of 82.3%, making it rank #212 out of 605 models tested.

The most common failure reasons for the BMW 420 are tyres, brakes, suspension. Tyres accounts for 60.4% of all failure items recorded.

Before your BMW 420's MOT, check your lights, tyres (minimum 1.6mm tread depth), brakes, windscreen, and dashboard warning lights. These are the most commonly failed items across all vehicles.

Frequently Asked Questions

What is the BMW 420 MOT pass rate?
The BMW 420 has an overall MOT pass rate of 89.3% based on 120,067 tests. This puts it at #212 out of 605 car models tested.
What are the most common BMW 420 MOT failures?
The most common failure items are: Tyres (60.4%), Brakes (51.3%), Suspension (40.1%), Lamps, reflectors and electrical equipment (26.4%), Noise, emissions and leaks (12.8%).
Is the BMW 420 reliable?
The BMW 420 is rated "Excellent" for MOT reliability, with a pass rate of 89.3% — 7.0 percentage points above the national average. MOT pass rate is one indicator of reliability, alongside owner reviews and recall history.
How much does an MOT cost for a BMW 420?
The maximum MOT fee for a BMW 420 (Class 4) is £54.85, set by the DVSA. Many garages charge less — you can typically find MOTs for £25–£40. The test itself takes 45–60 minutes.