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Opel Monza MOT Check

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

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74.6%

Avg Pass Rate

-17.3%

vs Opel Avg

4

Year Ranges

Average

Reliability

Opel Monza — MOT Reliability Overview

The Opel Monza has an average MOT pass rate of 74.6%, which is 17.3 percentage points below the Opel brand average of 91.9%. This is a reasonable result that reflects typical UK reliability standards. Regular servicing and addressing advisories promptly will help keep your Monza on the road.

The most common reasons a Opel Monza fails its MOT are the strength or continuity of the load bearing structure within 30cm of any sub-frame, spring or suspension component mounting (a 'prescribed area') is significantly reduced or inadequately repaired. If you are preparing your Monza for its MOT, checking these areas first could save you a retest fee. Our detailed fault analysis includes estimated repair costs for each failure type.

Before buying a used Opel Monza, 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 Opel Monza performs at MOT across different model years.

1986

Based on 46 vehicles

63.0%Below Average
Opel average: 91.9%
Dangerous Defects

3.1%

Retest Rate

37.5%

1985

Based on 76 vehicles

92.1%Excellent
Opel average: 91.9%
Dangerous Defects

0.0%

Retest Rate

8.5%

1984

Based on 32 vehicles

56.3%Below Average
Opel average: 91.9%
Dangerous Defects

4.5%

Retest Rate

54.5%

0

Based on 62 vehicles

87.1%Excellent
Opel average: 91.9%
Mileage at 5yr

85k mi

Top MOT Failures — Opel Monza

The most common reasons a Opel Monza fails its MOT, aggregated across all year ranges.

1

The strength or continuity of the load bearing structure within 30cm of any sub-frame, spring or suspension component mounting (a 'prescribed area') is significantly reduced or inadequately repaired

26.1%
Opel Monza Common Faults & Repair Costs

Where Failures Occur

The areas of the vehicle most commonly flagged during MOT inspections.

Rear Offside

17.4%

Rear

13.0%

Rear Nearside

8.7%

Other Opel Models

Compare MOT reliability across Opel models.

Opel Astra 1.4 (p-j)

92.1% pass rate

Opel Corsa - E(s-d)

99.4% pass rate

Opel Meriva

96.7% pass rate

Opel Corsa-e

97.6% pass rate

Opel Mokka-x

99.6% pass rate

Opel Astra 1.6 (p-j)

96.3% 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 Opel Monza

Opel Monza — Frequently Asked Questions

Common questions about the Opel Monza MOT and reliability.

What is the MOT pass rate for the Opel Monza?
The average MOT pass rate for the Opel Monza is 74.6% compared to the Opel average of 91.9%. 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 Opel Monza?
The most common MOT failures on the Opel Monza are: The strength or continuity of the load bearing structure within 30cm of any sub-frame, spring or suspension component mounting (a 'prescribed area') is significantly reduced or inadequately repaired (26.1%). These are the components most likely to cause an MOT failure.
Is the Opel Monza reliable?
With an average MOT pass rate of 74.6%, the Opel Monza is rated as "Average" for reliability. This is around average — regular maintenance is recommended to avoid common failure points.
How do I check the MOT history of a Opel Monza?
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 Opel Monza?
Typical mileage for the Opel Monza: 84,697 miles at 5 years. Use these benchmarks when evaluating a used Monza to spot vehicles with unusually high or low mileage.

Check Your Opel Monza's MOT History

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

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