Leyland National Unknown (1980)
1980 Leyland National Unknown
CarHunch analysed 599 real MOT records for the 1980 Leyland National Unknown. This breakdown of actual test outcomes — pass rates, defect profiles, mileage data — isn't published anywhere else.
What to check before buying a 1980 Leyland National 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 Leyland National Unknown
MOT history is one piece of the puzzle. These checks can reveal what CarHunch can't.
CarHunch may earn a small commission if you buy via these links — at no extra cost to you.
Pass Rate by Fuel Type
| Fuel type | Vehicles | Pass rate | Avg failures |
|---|---|---|---|
| Diesel (99%) | 596 | 0.4% | 0 |
| Petrol (1%) | 3 | 0% | 0 |
Mileage Distribution
Most 1980 Leyland National 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 1980 Leyland National Unknown vehicles fall between 120,252 and 443,923 miles.
MOT History Averages
Most Common MOT Issues — 1980 Leyland National Unknown
Based on actual MOT test records for this model. Percentage shows how often each item appears across all vehicles in this cohort.
-
28.6%
Corrosion to air tanks
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28.6%
Offside Front King pin has play
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28.6%
Offside Front King pin has lift
-
28.6%
Offside Front Air bag cracking
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28.6%
Offside Rear Brakes imbalanced requirements only just met. It would appear that the braking system requires adjustment or repair.
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28.6%
Various oil leaks
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28.6%
Nearside Front King pin has lift.
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28.6%
Various windscreen damage
Data covers a 3-year window centred on 1980. Counts include advisories and failures.
Found a specific Leyland National Unknown?
Enter the reg to see its individual MOT history, AI Hunches, and how it compares to this cohort.