Chevrolet Gmc Corvette (1984)
1984 Chevrolet Gmc Corvette
CarHunch analysed 121 real MOT records for the 1984 Chevrolet Gmc Corvette. This breakdown of actual test outcomes — pass rates, defect profiles, mileage data — isn't published anywhere else.
This 1984 Corvette is a significant reliability concern: only 35.2% pass their MOT first time, less than half the UK average of 80%. The 5% dangerous defect rate is low enough not to be a major safety alarm, but these are 40-year-old cars and the figures reflect serious mechanical wear.
At around 80,000 miles median, these Corvettes have genuinely low mileage for their age, yet they're still failing badly—a sign that age and storage conditions matter more than miles for a classic of this vintage. The 0.69 average failures and 3.2 advisories per vehicle tell you that comprehensive pre-purchase inspection by a Corvette specialist is non-negotiable, and budget for significant remedial work before you even think about daily driving.
What to check before buying a 1984 Chevrolet Gmc Corvette
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 Chevrolet Gmc Corvette
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 (99%) | 120 | 35.5% | 0.7 |
| Diesel (1%) | 1 | 0% | 0 |
Mileage Distribution
Most 1984 Chevrolet Gmc Corvette 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 Chevrolet Gmc Corvette vehicles fall between 66,457 and 96,264 miles.
1984 Chevrolet Gmc Corvette — Still on the Road
10 vehicles still getting MOTs in 2022 — 67% of the peak remain.
Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2014–2022.
MOT History Averages
Most Common MOT Issues — 1984 Chevrolet Gmc Corvette
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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34.2%
Nearside Rear Tyre worn close to the legal limit
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32.9%
Oil leak
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30.4%
Oil leak, but not excessive
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29.1%
Offside Rear Tyre worn close to the legal limit
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21.5%
Exhaust has a minor leak of exhaust gases
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20.3%
Parking brake: efficiency below requirements
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12.7%
Rear fog lamp tell tale not working
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12.7%
Fuel pipe/s corroded
Data covers a 3-year window centred on 1984. Counts include advisories and failures.
Found a specific Chevrolet Gmc Corvette?
Enter the reg to see its individual MOT history, AI Hunches, and how it compares to this cohort.