Mazda Unknown (1991)
1991 Mazda Unknown
CarHunch analysed 526 real MOT records for the 1991 Mazda Unknown. This breakdown of actual test outcomes — pass rates, defect profiles, mileage data — isn't published anywhere else.
What to check before buying a 1991 Mazda Unknown
Practical pre-purchase checks for this age and model.
- 📋 Check the full MOT history. Look for recurring advisories — slow-building issues like corrosion or brake wear patterns show up years before they become failures. Enter the reg below for a full AI analysis.
- 🔍 Inspect for corrosion in person. Brake pipes, sills, subframes, and chassis legs. Surface rust is normal at this age; structural rust is a serious problem that's expensive to fix and can fail an MOT.
- 🛞 Check tyres and brakes. The most common advisory items at this age. Budget for replacement if they're near the limit — factor this into your offer price.
- 📄 Run an HPI check. The MOT history won't show outstanding finance, insurance write-offs, or stolen status — an HPI check will.
Before you buy a Mazda Unknown
MOT history is one piece of the puzzle. These checks can reveal what CarHunch can't.
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Pass Rate by Fuel Type
| Fuel type | Vehicles | Pass rate | Avg failures |
|---|---|---|---|
| Petrol (96%) | 506 | 0.9% | 0.02 |
| Diesel (4%) | 19 | 0% | 0 |
| Other (0%) | 1 | 50% | 1 |
Mileage Distribution
Most 1991 Mazda Unknown vehicles sit in the blue band. If the car you're looking at is outside it, it's either unusually low or high mileage for its age.
Half of all 1991 Mazda Unknown vehicles fall between 86,659 and 123,059 miles.
MOT History Averages
Most Common MOT Issues — 1991 Mazda Unknown
Based on actual MOT test records for this model. Percentage shows how often each item appears across all vehicles in this cohort.
-
50%
Oil leak, but not excessive
-
40%
Rear fog lamp not working
-
20%
Nearside Front Brake pad(s) wearing thin
-
20%
Offside Front Upper Suspension arm ball joint dust cover severely deteriorated
-
20%
Front track rod end gaiters slightly deteriorated
-
20%
Offside Rear Coil spring fractured or broken
-
20%
Steering system has slight free play detected at steering wheel Slight play in steering rack.
-
20%
Nearside Rear Tyre slightly damaged/cracking or perishing
Data covers a 3-year window centred on 1991. Counts include advisories and failures.
Found a specific Mazda Unknown?
Enter the reg to see its individual MOT history, AI Hunches, and how it compares to this cohort.