Austin Montego Hl (1985)
1985 Austin Montego Hl
CarHunch analysed 17,882 real MOT records for the 1985 Austin Montego Hl. This breakdown of actual test outcomes — pass rates, defect profiles, mileage data — isn't published anywhere else.
The 1985 Austin Montego HL has a first-time pass rate of just 0.1%, far below the UK average of 80%, which is a serious red flag for any potential buyer—these cars are failing MOT tests at a catastrophic rate. The good news is that no dangerous defects have been recorded in this cohort, so while reliability is poor, safety-critical failures aren't the issue.
The median mileage of 71,049 miles is reasonable for a nearly 40-year-old car, yet despite low mileage these vehicles still can't pass inspection, suggesting age-related decay rather than wear-and-tear is the culprit. If you're considering one of these Monteigos, be prepared for significant restoration work—don't buy it expecting a quick MOT without major remedial work on rust, electrics, and mechanical systems.
What to check before buying a 1985 Austin Montego Hl
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 Hl
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 |
|---|---|---|---|
| Petrol (100%) | 17,853 | 0.1% | 0 |
| Diesel (0%) | 26 | 0% | 0.04 |
| Other (0%) | 2 | 75% | 0.5 |
| LPG (0%) | 1 | 0% | 0 |
Mileage Distribution
Most 1985 Austin Montego Hl 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 Hl vehicles fall between 61,724 and 105,218 miles.
MOT History Averages
Found a specific Austin Montego Hl?
Enter the reg to see its individual MOT history, AI Hunches, and how it compares to this cohort.