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Jaguar 420 MOT Check

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

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79.4%

Avg Pass Rate

-6.8%

vs Jaguar Avg

1

Year Ranges

Good

Reliability

Jaguar 420 — MOT Reliability Overview

The Jaguar 420 has an average MOT pass rate of 79.4%, which is 6.8 percentage points below the Jaguar brand average of 86.2%. This is a reasonable result that reflects typical UK reliability standards. Regular servicing and addressing advisories promptly will help keep your 420 on the road.

Before buying a used Jaguar 420, 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 Jaguar 420 performs at MOT across different model years.

0

Based on 34 vehicles

79.4%Good
Jaguar average: 86.2%
Mileage at 5yr

51k mi

Other Jaguar Models

Compare MOT reliability across Jaguar models.

Jaguar E-pace

95.9% pass rate

Jaguar XJ

79.7% pass rate

Jaguar Eagle

77.1% pass rate

Jaguar Sovereign

79.1% pass rate

Jaguar F-pace

90.6% pass rate

Jaguar XJR

78.3% 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 Jaguar 420

Jaguar 420 — Frequently Asked Questions

Common questions about the Jaguar 420 MOT and reliability.

What is the MOT pass rate for the Jaguar 420?
The average MOT pass rate for the Jaguar 420 is 79.4% compared to the Jaguar average of 86.2%. 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 Jaguar 420?
Check the detailed breakdown on this page for specific failure data by year range.
Is the Jaguar 420 reliable?
With an average MOT pass rate of 79.4%, the Jaguar 420 is rated as "Good" for reliability. This is a strong result suggesting good build quality and fewer common defects.
How do I check the MOT history of a Jaguar 420?
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 Jaguar 420?
Typical mileage for the Jaguar 420: 51,235 miles at 5 years. Use these benchmarks when evaluating a used 420 to spot vehicles with unusually high or low mileage.

Check Your Jaguar 420's MOT History

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

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