Vauxhall Cavalier (1980)
1980 Vauxhall Cavalier
CarHunch analysed 105 real MOT records for the 1980 Vauxhall Cavalier. This breakdown of actual test outcomes — pass rates, defect profiles, mileage data — isn't published anywhere else.
The 1980 Vauxhall Cavalier passes its MOT first time in 73.7% of cases, which is 6.3 percentage points below the UK average of 80%—a meaningful gap that suggests these cars are slightly less reliable than typical. The dangerous defect rate of 10.5% is reassuringly low, so safety isn't a major red flag.
These Cavaliers are averaging 55,443 miles, which is modest for a 44-year-old car, indicating many survive in light-use conditions. With 1.34 failures and 4.2 advisories per vehicle on test, expect wear items and minor issues rather than catastrophic problems—typical for a classic of this age. If you're considering one, budget for routine maintenance and have a full pre-purchase inspection done, as the first-time pass rate suggests preventive work often pays off.
What to check before buying a 1980 Vauxhall Cavalier
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 Vauxhall Cavalier
MOT history is one piece of the puzzle. These checks can reveal what CarHunch can't.
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Mileage Distribution
Most 1980 Vauxhall Cavalier 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 Vauxhall Cavalier vehicles fall between 39,381 and 72,438 miles.
1980 Vauxhall Cavalier — Still on the Road
Numbers are declining — 12 vehicles still getting MOTs in 2025 (40% of peak).
Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2014–2025.
MOT History Averages
Most Common MOT Issues — 1980 Vauxhall Cavalier
Based on actual MOT test records for this model. Percentage shows how often each item appears across all vehicles in this cohort.
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27.2%
Oil leak
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18%
Exhaust emissions carbon monoxide content excessive
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14.8%
Brakes imbalanced across an axle
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12.4%
Offside Rear Suspension component mounting prescribed area is excessively corroded
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11.2%
Nearside Rear Suspension component mounting prescribed area is excessively corroded
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11.2%
Offside Front Tyre worn close to the legal limit
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9.6%
Nearside Front Tyre worn close to the legal limit
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9.2%
Oil leak, but not excessive
Data covers a 3-year window centred on 1980. Counts include advisories and failures.
Found a specific Vauxhall Cavalier?
Enter the reg to see its individual MOT history, AI Hunches, and how it compares to this cohort.