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BMW 420 D MOT Check

MOT pass rates, common failures, and reliability data for the BMW 420 D. Check any 420 D by registration number below.

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96.0%

Avg Pass Rate

+6.1%

vs BMW Avg

1

Year Ranges

Excellent

Reliability

BMW 420 D — MOT Reliability Overview

The BMW 420 D has an average MOT pass rate of 96.0%, which is 6.1 percentage points above the BMW brand average of 89.9%. This is a strong result, indicating that the 420 D is well-engineered and tends to age well mechanically. Owners can expect fewer surprises at MOT time.

Before buying a used BMW 420 D, we recommend checking the full MOT history, write-off status, outstanding finance, and stolen vehicle status. These checks can be done for free using the registration number.

MOT Pass Rate by Year

How the BMW 420 D performs at MOT across different model years.

2014

Based on 50 vehicles

96.0%Excellent
BMW average: 89.9%
Mileage at 5yr

97k mi

Mileage at 10yr

119k mi

Other BMW Models

Compare MOT reliability across BMW models.

BMW 420d Xdrive M Sport Mhev Auto

90.4% pass rate

BMW X2 Sdrive18d Sport

87.3% pass rate

BMW X2 Sdrive18d M Sport X Auto

87.0% pass rate

BMW 550

82.4% pass rate

BMW 316 I

89.0% pass rate

BMW 540i Xdrive M Sport Mhev Auto

75.6% pass rate

Useful MOT Guides

Common MOT Failures

The most common reasons UK vehicles fail their MOT — and how to prepare.

MOT Checklist

Pre-MOT checklist to improve your chances of passing first time.

Advisory vs Failure

Understanding the difference between MOT advisories and failures.

See detailed fault analysis for BMW 420 D

BMW 420 D — Frequently Asked Questions

Common questions about the BMW 420 D MOT and reliability.

What is the MOT pass rate for the BMW 420 D?
The average MOT pass rate for the BMW 420 D is 96.0% compared to the BMW average of 89.9%. Pass rates vary by year — check the year-by-year breakdown on this page for details.
What are the most common MOT failures on a BMW 420 D?
Check the detailed breakdown on this page for specific failure data by year range.
Is the BMW 420 D reliable?
With an average MOT pass rate of 96.0%, the BMW 420 D is rated as "Excellent" for reliability. This is a strong result suggesting good build quality and fewer common defects.
How do I check the MOT history of a BMW 420 D?
Enter the vehicle's registration number in the search box at the top of this page. You will instantly see the complete MOT history including every test result, mileage readings, advisories, and dangerous defects — completely free.
What mileage should I expect on a BMW 420 D?
Typical mileage for the BMW 420 D: 96,766 miles at 5 years, 119,300 miles at 10 years. Use these benchmarks when evaluating a used 420 D to spot vehicles with unusually high or low mileage.

Check Your BMW 420 D's MOT History

Enter the registration number for the full MOT history — free and instant.

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