1991 Rover Montego — MOT History by Age
How cars manufactured in 1991 perform at MOT as they age
Data from official DVSA MOT testing records
Compared to Average at Age 20
✅ 1.3% above average (6824 models compared)
How This Car Ages
Pass rate progression for the 1991 Rover Montego as it ages.
Bar chart showing pass rate by car age from 18 to 20 years
📊 View as table
| Age | Pass Rate | Tests |
|---|---|---|
| 18 yrs | 43.4% | 76 |
| 19 yrs | 56.6% | 53 |
| 20 yrs | 57.9% | 38 |
Pass Rate Trend
How the 1991 Rover Montego pass rate changes as it ages, from first MOT to most recent.
Trend shows improving over 3 years
📊 View as table
| Built | Pass Rate | Tests |
|---|---|---|
| 2011 (20 yrs) | 57.9% | 38 |
| 2010 (19 yrs) | 56.6% | 53 |
| 2009 (18 yrs) | 43.4% | 76 |
Year-by-Year MOT Results
Common MOT Failures
Top failure categories across all test years for 1991 Rover Montego, with age trends.
How Failures Change With Age
Comparing failure rates between the youngest and oldest test years.
| Category | At Youngest | At Oldest | Change | Trend |
|---|---|---|---|---|
| Suspension | 40.8% (18 yrs) | 23.7% (20 yrs) | -17.1%
| 🟢 ↓ |
| Exhaust, Fuel and Emissions | 22.4% (18 yrs) | 13.2% (20 yrs) | -9.2%
| 🟢 ↓ |
| Brakes | 21.1% (18 yrs) | 23.7% (20 yrs) | +2.6%
| 🔴 ↑ |
| Seat Belts and Supplementary Restraint Systems | 11.8% (18 yrs) | 10.5% (20 yrs) | -1.3%
| ⚪ — |
Other Manufacture Years
Looking for the best year to buy? See the full comparison on the Rover Montego page →
About This Data
This page shows how Rover Montego cars manufactured in 1991 perform at MOT as they age. Data spans from 2009 to 2011, covering 167 tests. Pass rates naturally decline with age as components wear.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.