1971 MG Mgb Roadster — MOT History by Age
How cars manufactured in 1971 perform at MOT as they age
55 years
Current Age
74.2%
Latest Pass Rate
31
Total Tests (All Years)
37,333 mi
Avg Mileage (Latest)
Data from official DVSA MOT testing records
Best vintage for Mgb Roadster
Insufficient data for same-age comparison.
How This Car Ages
📉
Insufficient data for this analysis
Pass Rate Trend
📊
Insufficient data for this analysis
Year-by-Year MOT Results
2015
74.2%
Age (yrs) 44Tests 31Avg Mileage 37,333Top Failure Lamps, Reflectors and Electrical Equipment — 38.7%
Common MOT Failures
Top failure categories across all test years for 1971 MG Mgb Roadster, with age trends.
Lamps, Reflectors and Electrical Equipment
38.7%
— Consistent
Suspension
25.8%
— Consistent
Driver's View of the Road
12.9%
— Consistent
Brakes
9.7%
— Consistent
Road Wheels
6.5%
— Consistent
How Failures Change With Age
Comparing failure rates between the youngest and oldest test years.
| Category | At Youngest | At Oldest | Change | Trend |
|---|---|---|---|---|
| Lamps, Reflectors and Electrical Equipment | 38.7% (44 yrs) | 38.7% (44 yrs) | 0.0%
| ⚪ — |
| Suspension | 25.8% (44 yrs) | 25.8% (44 yrs) | 0.0%
| ⚪ — |
| Driver's View of the Road | 12.9% (44 yrs) | 12.9% (44 yrs) | 0.0%
| ⚪ — |
| Brakes | 9.7% (44 yrs) | 9.7% (44 yrs) | 0.0%
| ⚪ — |
| Road Wheels | 6.5% (44 yrs) | 6.5% (44 yrs) | 0.0%
| ⚪ — |
Other Manufacture Years
Looking for the best year to buy? See the full comparison on the MG Mgb Roadster page →
About This Data
This page shows how MG Mgb Roadster cars manufactured in 1971 perform at MOT as they age. Data spans from 2015 to 2015, covering 31 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.