Mazda 323: MOT pass rate and reliability data
The Mazda 323 fails its first MOT more often than the average UK car, by 13.9 percentage points. These figures come from the DVSA's full year of anonymised MOT results, covering 1,354 individual Mazda 323 tests. Nothing here is an estimate or a survey.
The numbers
| First-time pass rate | 62.8% |
| UK national average | 76.7% |
| Difference | -13.9 points |
| Tests analysed | 1,354 |
| Average mileage at test | 83,134 miles |
| Average year of manufacture | 1999 |
| Reliability rank | 1,900 of 2,005 models |
What this means if you are buying one
A 62.8% first-time pass rate means roughly 37 in every 100 Mazda 323s presented for MOT fail on the first attempt. That is worse than average, so budget for remedial work and treat a fresh 12-month MOT as a genuine selling point rather than a given. The average Mazda 323 tested had covered 83,134 miles and was built around 1999.
What this means at salvage auction
Pass rate is a proxy for what a car costs to keep on the road. On a Mazda 323 bought as a repairable salvage, assume the mechanical side needs more than the visible accident damage, and pad your repair estimate accordingly.
Before you bid: run the lot through the analyzer, check the car's own record, check the mileage, decode the VIN, and if it carries a marker use the write-off value calculator. Or compare it against another model.
Looking at a specific Mazda 323 rather than the model in general? The free check covers its MOT and mileage history, and the full HPI report confirms the insurance write-off category, outstanding finance and whether it is recorded stolen, from licensed data for 5 credits. Already own one that has been damaged? Work out whether fixing it beats selling it with the repair or scrap calculator, and see what damaged Mazda 323s actually sold for at UK salvage auction.
Most common MOT failures on a Mazda 323
- Body, cab or chassis excessively corroded at a mounting point, 4.3% of tests (21.63x the national rate for this defect)
- 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, 16.1% of tests (19.36x the national rate for this defect)
- The strength or continuity of the load bearing structure within 30cm of any seat belt anchorage (a 'prescribed area') is significantly reduced or inadequately repaired, 3.1% of tests (13.3x the national rate for this defect)
- Vehicle structure corroded to the extent that the rigidity of the assembly is seriously reduced, 4.3% of tests (11.83x the national rate for this defect)
- Brakes imbalance across an axle such that the braking effort from any wheel is less than 70% of the maximum effort recorded from the other wheel on the same axle., 2.2% of tests (5.5x the national rate for this defect)
- Exhaust system leaking or insecure, 2.9% of tests (3.79x the national rate for this defect)
- Significant brake effort recorded with no brake applied indicating a binding brake, 2.6% of tests (3.33x the national rate for this defect)
- A suspension joint dust cover missing or no longer prevents the ingress of dirt etc, 4.3% of tests (3.2x the national rate for this defect)
- A transmission shaft constant velocity joint boot missing or no longer prevents the ingress of dirt etc, 3.2% of tests (2.9x the national rate for this defect)
- Wiper blade missing or obviously not clearing the windscreen, 2.8% of tests (2.04x the national rate for this defect)
From 2,743 DVSA-tracked Mazda 323 tests, 2024. DVSA testers marked 3.41% of these flagged Mazda 323 defects as "dangerous", meaning the tester judged the car unsafe to drive away, against 4.97% nationally.
Other Mazda models
- Mazda 2 - 73.4%
- Mazda 3 - 73.4%
- Mazda Mx-5 - 77.2%
- Mazda 6 - 74%
- Mazda Cx-5 - 83.1%
- Mazda Cx-3 - 88%
- Mazda 5 - 59%
- Mazda Bongo - 58.1%
Models with a similar pass rate
- Hyundai Terracan - 63%
- Jaguar X-Type - 62.9%
- Kia Magentis - 62.9%
- Nissan D22 - 62.7%
- Rover 75 - 62.6%
- Nissan Terrano - 62.6%
If this car is a salvage or write-off
- What does Cat N mean? Category N explained
- What does Cat S mean? Category S explained
- Cat S vs Cat N: the real differences
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