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Opel Signum MOT Check

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

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92.6%

Avg Pass Rate

+0.7%

vs Opel Avg

6

Year Ranges

Excellent

Reliability

Opel Signum — MOT Reliability Overview

The Opel Signum has an average MOT pass rate of 92.6%, which is 0.7 percentage points above the Opel brand average of 91.9%. This is a strong result, indicating that the Signum is well-engineered and tends to age well mechanically. Owners can expect fewer surprises at MOT time.

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

2008

Based on 64 vehicles

90.6%Excellent
Opel average: 91.9%

2007

Based on 146 vehicles

93.8%Excellent
Opel average: 91.9%
Mileage at 5yr

169k mi

Mileage at 10yr

211k mi

2006

Based on 180 vehicles

93.9%Excellent
Opel average: 91.9%
Mileage at 5yr

127k mi

Mileage at 10yr

233k mi

2005

Based on 227 vehicles

93.0%Excellent
Opel average: 91.9%
Mileage at 5yr

102k mi

Mileage at 10yr

198k mi

2004

Based on 792 vehicles

92.4%Excellent
Opel average: 91.9%
Mileage at 5yr

130k mi

Mileage at 10yr

191k mi

2003

Based on 928 vehicles

92.1%Excellent
Opel average: 91.9%
Mileage at 5yr

140k mi

Mileage at 10yr

193k mi

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 Signum

Opel Signum — Frequently Asked Questions

Common questions about the Opel Signum MOT and reliability.

What is the MOT pass rate for the Opel Signum?
The average MOT pass rate for the Opel Signum is 92.6% 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 Signum?
Check the detailed breakdown on this page for specific failure data by year range.
Is the Opel Signum reliable?
With an average MOT pass rate of 92.6%, the Opel Signum 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 Opel Signum?
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 Signum?
Typical mileage for the Opel Signum: 168,851 miles at 5 years, 210,525 miles at 10 years. Use these benchmarks when evaluating a used Signum to spot vehicles with unusually high or low mileage.

Check Your Opel Signum's MOT History

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

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