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Mazda Cx30 MOT Pass Rate

Overall pass rate across all manufacture years, based on 30 real MOT test results. Failure rate: 13.3%.

86.7%
Pass Rate
13.3%
Fail Rate
30
Total Tests
Lamps, reflectors and electrical equipment
Top Failure

Data from official DVSA MOT testing records

Mazda Cx30 MOT Reliability Overview

The Mazda Cx30 is a rare vehicle in the UK, with 30 MOT test results recorded in our database spanning 0 manufacture years. It has an overall MOT pass rate of 86.7% and a failure rate of 13.3%, which is well above the UK average of approximately 37%.

Based on this data, the Mazda Cx30 earns a "Excellent" reliability rating. The average Mazda Cx30 presents for MOT with approximately 24,582 miles on the clock.

The most common MOT failure for the Mazda Cx30 is Lamps, reflectors and electrical equipment, affecting 66.7% of all tests. Lighting failures cover all external lights: headlights, tail lights, brake lights, indicators, fog lights, and reflectors. A single blown bulb will cause an MOT fail. This is one of the most preventable failure categories. Together, these top 1 failure categories account for a significant portion of all MOT failures for this model.

⚠ Based on limited data (30 tests)

Top failures across all manufacture years combined. Individual year pages may show different top failures.

What Fails Most

⚖️ Compare

* High Fail Rate badge indicates an MOT pass rate below 65% (failure rate above 35%).

What Fails on This Car?

Click a category to see specific failure items.

View as table
MOT failure categories ranked by failure rate
RankFailure CategoryRate (%)Count
1Lamps, Reflectors And Electrical Equipment66.7%20

Failures per 10,000 Miles

avg. 24,582 mi

For every 10,000 miles driven, this shows what percentage of MOT tests fail for each category. This accounts for how far cars are actually driven, not just raw pass/fail counts.

Lamps & Electrical27.12% per 10K mi
View as table
Mileage-normalised failure rates by category
CategoryRate / 10K miRaw %Count
Lamps & Electrical27.1266.7%20

🚗 Similar Cars to Consider

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No comparable models

Mileage at MOT

24,582
Mean
25,672
Median
20,117
25th Percentile
25,672
75th Percentile

The average Mazda Cx30 has 24,582 miles when tested for MOT.

📊 Mileage-Adjusted Failure Rate

How often this car fails MOT relative to how much it's driven — a fairer comparison than raw pass rate.

5.41%
Fail Rate per 10K Miles
Average across all makes: 5.38%
13.3%
Overall Fail Rate
24,582 avg miles
⚠️ Average — typical failure rate

The Mazda Cx30 has a mileage-adjusted failure rate of 5.41% per 10,000 miles driven. The average across all makes is 5.38%, so this model is worse than average.

About Mazda Cx30 MOT Data

The Mazda Cx30 is a rare vehicle in the UK, with 30 MOT test results recorded in our database spanning 0 manufacture years. It has an overall MOT pass rate of 86.7% and a failure rate of 13.3%, which is well above the UK average of approximately 37%.

For Mazda Cx30 owners, these results suggest a reliable vehicle that generally passes its MOT without major issues. Focus your pre-MOT checks on lamps, reflectors and electrical equipment and general vehicle condition for the best chance of a first-time pass. Use our detailed year-by-year breakdown and failure analysis below to understand how your specific Cx30 is likely to perform.

Lamps, reflectors and electrical equipment — 66.7% of failures

Lamps, reflectors and electrical equipment issues account for 66.7% of MOT failures on the Mazda Cx30. Lighting failures cover all external lights: headlights, tail lights, brake lights, indicators, fog lights, and reflectors. A single blown bulb will cause an MOT fail. This is one of the most preventable failure categories. Typical repair costs: £5–50. Pre-MOT check: Walk around the car and check every light — headlights (dipped and main beam), side lights, tail lights, brake lights, indicators, hazard lights, reverse light, rear fog light, and number plate lights. Replace any blown bulbs before the test.

Frequently Asked Questions

What is the MOT pass rate for the Mazda Cx30?

Based on 30 (based on limited data) MOT tests in our database, the Mazda Cx30 has an overall pass rate of 86.7% (13.3% fail rate).

What are the most common MOT failures on a Mazda Cx30?

The top 1 reasons a Mazda Cx30 fails its MOT are: 1. Lamps, reflectors and electrical equipment (66.7%). Check these areas before booking your MOT.

Is the Mazda Cx30 reliable?

With a 13.3% MOT failure rate, the Cx30 is more reliable than average compared to the UK average of ~40%.

What should I check before an MOT on my Mazda Cx30?

Based on failure data, focus on: Lamps, reflectors and electrical equipment (66.7%). These are the areas most likely to cause a fail. Also check all lights, tyres (minimum 1.6mm tread), and windscreen condition — these are quick wins that apply to all cars.

Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.

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