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Vauxhall Signum MOT Check

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

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63.8%

Avg Pass Rate

-18.1%

vs Vauxhall Avg

7

Year Ranges

Below Average

Reliability

Vauxhall Signum — MOT Reliability Overview

The Vauxhall Signum has an average MOT pass rate of 63.8%, which is 18.1 percentage points below the Vauxhall brand average of 82.0%. This suggests the Signum can be more maintenance-intensive than average. Pay close attention to the common failure points listed below if you are considering buying one.

The most common reasons a Vauxhall Signum fails its MOT are brake pipe damaged or excessively corroded, a transmission shaft constant velocity joint boot missing or no longer prevents the ingress of dirt etc, the aim of a headlamp is not within limits laid down in the requirements. If you are preparing your Signum 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 Vauxhall 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 Vauxhall Signum performs at MOT across different model years.

2008

Based on 75 vehicles

60.0%Below Average
Vauxhall average: 82.0%
Dangerous Defects

10.9%

Retest Rate

37.0%

2007

Based on 768 vehicles

59.5%Below Average
Vauxhall average: 82.0%
Dangerous Defects

9.8%

Retest Rate

42.3%

2006

Based on 1,249 vehicles

65.4%Average
Vauxhall average: 82.0%
Dangerous Defects

7.4%

Retest Rate

25.9%

2005

Based on 623 vehicles

63.7%Below Average
Vauxhall average: 82.0%
Dangerous Defects

9.4%

Retest Rate

28.2%

2004

Based on 447 vehicles

58.6%Below Average
Vauxhall average: 82.0%
Dangerous Defects

12.6%

Retest Rate

32.9%

2003

Based on 163 vehicles

69.3%Average
Vauxhall average: 82.0%
Dangerous Defects

6.7%

Retest Rate

23.3%

0

Based on 2,222 vehicles

70.2%Average
Vauxhall average: 82.0%
Mileage at 5yr

122k mi

Top MOT Failures — Vauxhall Signum

The most common reasons a Vauxhall Signum fails its MOT, aggregated across all year ranges.

1

Brake pipe damaged or excessively corroded

6.8%
2

A transmission shaft constant velocity joint boot missing or no longer prevents the ingress of dirt etc

3.5%
3

The aim of a headlamp is not within limits laid down in the requirements

3.3%
4

Tyre tread depth not in accordance with the requirements

3.3%
5

A spring or spring component fractured or seriously weakened

3.2%
Vauxhall Signum Common Faults & Repair Costs

Where Failures Occur

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

Rear Nearside

12.0%

Rear Offside

8.0%

Offside

6.7%

Other Vauxhall Models

Compare MOT reliability across Vauxhall models.

Vauxhall Corsa Elite Turbo D

94.0% pass rate

Vauxhall Corsa Se Edition Turbo Auto

94.7% pass rate

Vauxhall Corsa

80.5% pass rate

Vauxhall Insig Sri Nav Vxred Cdtieco Ss

87.5% pass rate

Vauxhall Astra Business Edition Nav T

90.3% pass rate

Vauxhall Corsa Se Turbo D

90.2% 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 Vauxhall Signum

Vauxhall Signum — Frequently Asked Questions

Common questions about the Vauxhall Signum MOT and reliability.

What is the MOT pass rate for the Vauxhall Signum?
The average MOT pass rate for the Vauxhall Signum is 63.8% compared to the Vauxhall average of 82.0%. 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 Vauxhall Signum?
The most common MOT failures on the Vauxhall Signum are: Brake pipe damaged or excessively corroded (6.8%), A transmission shaft constant velocity joint boot missing or no longer prevents the ingress of dirt etc (3.5%), The aim of a headlamp is not within limits laid down in the requirements (3.3%). These are the components most likely to cause an MOT failure.
Is the Vauxhall Signum reliable?
With an average MOT pass rate of 63.8%, the Vauxhall Signum is rated as "Below 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 Vauxhall 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 Vauxhall Signum?
Typical mileage for the Vauxhall Signum: 121,858 miles at 5 years. Use these benchmarks when evaluating a used Signum to spot vehicles with unusually high or low mileage.

Check Your Vauxhall Signum's MOT History

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

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