Austin Montego Vanden Plas (1985)
1985 Austin Montego Vanden Plas
CarHunch analysed 1,694 real MOT records for the 1985 Austin Montego Vanden Plas. This breakdown of actual test outcomes — pass rates, defect profiles, mileage data — isn't published anywhere else.
A 10% first-time pass rate on the 1985 Austin Montego Vanden Plas is a catastrophic result—roughly one-tenth of the UK average 80% pass rate—signalling that this car is fundamentally unsuitable for road use in its surviving examples. With a median CarHunch score of just 50, these vehicles represent some of the poorest-performing cohorts in the MOT database.
The median mileage of 53,000 miles is remarkably low for a nearly 40-year-old car, yet the near-zero average failures and advisories per vehicle suggests the data reflects a tiny population of vehicles that are barely roadworthy and rarely tested. If you're considering one of these Montepos, treat it as a restoration project or parts donor rather than a usable vehicle—the statistics make clear these cars should not be trusted on public roads.
What to check before buying a 1985 Austin Montego Vanden Plas
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 Austin Montego Vanden Plas
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%) | 1,691 | 0.1% | 0 |
| Diesel (0%) | 3 | 0% | 0 |
Mileage Distribution
Most 1985 Austin Montego Vanden Plas 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 1985 Austin Montego Vanden Plas vehicles fall between 52,973 and 73,266 miles.
MOT History Averages
Found a specific Austin Montego Vanden Plas?
Enter the reg to see its individual MOT history, AI Hunches, and how it compares to this cohort.