Mazda Demio MOT Check

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

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76.2%

Avg Pass Rate

-7.1%

vs Mazda Avg

Year Ranges

Good

Reliability

Mazda Demio — MOT Reliability Overview

The Mazda Demio has an average MOT pass rate of 76.2%, which is 7.1 percentage points below the Mazda brand average of 83.3%. This is a reasonable result that reflects typical UK reliability standards. Regular servicing and addressing advisories promptly will help keep your Demio on the road.

The most common reasons a Mazda Demio 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, body, cab or chassis excessively corroded at a mounting point, a transmission shaft constant velocity joint boot missing or no longer prevents the ingress of dirt etc. If you are preparing your Demio 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 Mazda Demio, 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 Mazda Demio performs at MOT across different model years.

2013

Based on 36 vehicles

94.4%Excellent

Mazda average: 83.3%

Dangerous Defects

3.3%

Retest Rate

3.3%

Mileage at 10yr

149k mi

2010

Based on 58 vehicles

65.5%Average

Mazda average: 83.3%

Dangerous Defects

14.3%

Retest Rate

54.3%

2009

Based on 34 vehicles

76.5%Good

Mazda average: 83.3%

Dangerous Defects

5.0%

Retest Rate

20.0%

2008

Based on 43 vehicles

79.1%Good

Mazda average: 83.3%

Dangerous Defects

4.3%

Retest Rate

13.0%

2003

Based on 177 vehicles

59.3%Below Average

Mazda average: 83.3%

Dangerous Defects

2.2%

Retest Rate

20.7%

2002

Based on 339 vehicles

67.3%Average

Mazda average: 83.3%

Dangerous Defects

5.0%

Retest Rate

23.5%

2001

Based on 297 vehicles

65.0%Average

Mazda average: 83.3%

Dangerous Defects

7.5%

Retest Rate

23.0%

2000

Based on 356 vehicles

66.0%Average

Mazda average: 83.3%

Dangerous Defects

5.5%

Retest Rate

20.9%

1999

Based on 1,964 vehicles

89.1%Excellent

Mazda average: 83.3%

Dangerous Defects

3.7%

Retest Rate

40.9%

Mileage at 10yr

118k mi

1998

Based on 701 vehicles

89.2%Excellent

Mazda average: 83.3%

Dangerous Defects

1.5%

Retest Rate

31.3%

Mileage at 10yr

131k mi

1997

Based on 68 vehicles

91.2%Excellent

Mazda average: 83.3%

0

Based on 973 vehicles

71.6%Average

Mazda average: 83.3%

Mileage at 5yr

73k mi

Top MOT Failures — Mazda Demio

The most common reasons a Mazda Demio fails its MOT, aggregated across all year ranges.

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

10.1%

Body, cab or chassis excessively corroded at a mounting point

4.8%

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

4.2%

Brake pipe damaged or excessively corroded

4.0%

Vehicle structure corroded to the extent that the rigidity of the assembly is seriously reduced

4.0%

Mazda Demio Common Faults & Repair Costs

Where Failures Occur

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

Rear Nearside

2.8%

Front Offside

2.8%

Front

2.8%

Other Mazda Models

Compare MOT reliability across Mazda models.

Mazda Mx-30 Se-l Lux Ev

93.1% pass rate

Mazda 2 Se-l

100.0% pass rate

Mazda MPV

54.1% pass rate

Mazda E Series

65.9% pass rate

Mazda Premacy

88.7% pass rate

Mazda 5

73.3% 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 Mazda Demio

Mazda Demio — Frequently Asked Questions

Common questions about the Mazda Demio MOT and reliability.

What is the MOT pass rate for the Mazda Demio?

The average MOT pass rate for the Mazda Demio is 76.2% compared to the Mazda average of 83.3%. 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 Mazda Demio?

The most common MOT failures on the Mazda Demio 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 (10.1%), Body, cab or chassis excessively corroded at a mounting point (4.8%), A transmission shaft constant velocity joint boot missing or no longer prevents the ingress of dirt etc (4.2%). These are the components most likely to cause an MOT failure.

Is the Mazda Demio reliable?

With an average MOT pass rate of 76.2%, the Mazda Demio 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 Mazda Demio?

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 Mazda Demio?

Typical mileage for the Mazda Demio: 148,867 miles at 10 years. Use these benchmarks when evaluating a used Demio to spot vehicles with unusually high or low mileage.

Check Your Mazda Demio's MOT History

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