Mazda 323 (1984)
1984 Mazda 323
CarHunch analysed 658 real MOT records for the 1984 Mazda 323. This breakdown of actual test outcomes — pass rates, defect profiles, mileage data — isn't published anywhere else.
The 1984 Mazda 323 is fundamentally unreliable by modern standards: only 12.9% pass their MOT first time, versus the UK average of 80%. With nearly 9 in 10 vehicles failing inspection, this car presents serious ownership risks—buyers should expect costly repairs and frequent test centre visits.
At nearly 65,000 miles on average, these cars are well-used but not excessively so for their age, yet they're still racking up 0.43 failures and 1.5 advisories per test. Before committing to purchase, have a pre-buy inspection by a specialist who knows the 323's weak points—particularly rust, fuel system degradation, and engine gasket failures that plague this generation.
What to check before buying a 1984 Mazda 323
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 323
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 (100%) | 657 | 12.9% | 0.43 |
| Electric (0%) | 1 | 0% | 1 |
Mileage Distribution
Most 1984 Mazda 323 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 1984 Mazda 323 vehicles fall between 45,088 and 75,082 miles.
1984 Mazda 323 — Still on the Road
12 vehicles still getting MOTs in 2020 — 60% of the peak remain.
Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2014–2020.
MOT History Averages
Most Common MOT Issues — 1984 Mazda 323
Based on actual MOT test records for this model. Percentage shows how often each item appears across all vehicles in this cohort.
-
28.7%
Nearside Rear Suspension component mounting prescribed area is excessively corroded
-
26%
Offside Rear Suspension component mounting prescribed area is excessively corroded
-
21.8%
Offside Front Brake hose slightly deteriorated
-
21.8%
Nearside Front Brake hose slightly deteriorated
-
18.4%
Oil leak
-
15.4%
Offside Steering rack gaiter split
-
14.2%
Offside Rear Seat belt anchorage prescribed area is excessively corroded
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14.2%
Parking brake: efficiency below requirements
Data covers a 3-year window centred on 1984. Counts include advisories and failures.
Found a specific Mazda 323?
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