1971 Triumph T25 MOT Pass Rate
Pass rate for T25 models manufactured in 1971, based on 37 real MOT test results.
Data from official DVSA MOT testing records
1971 Triumph T25 MOT Analysis
The 1971 Triumph T25 has an MOT pass rate of 91.9% based on 37 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 9,688 miles on the odometer. With a 8.1% failure rate, the 1971 T25 is rated as "Excellent" for MOT reliability.
The leading cause of MOT failure for the 1971 Triumph T25 is Motorcycle tyres and wheels, responsible for 2.7% of failures. Tyre failures include tread depth below the legal minimum of 1.6mm, cuts, bulges, exposed cords, and incorrect tyre pressure. Tyres are one of the most common and easiest-to-prevent MOT failures. Typical repair costs range from £50–200 per tyre.
Top failures specific to 1971 models only. The overall T25 page may show different rankings.
What Fails Most
What Fails on This Car?
Click a category to see specific failure items.
View as table
| Rank | Failure Category | Rate (%) | Count |
|---|---|---|---|
| 1 | Motorcycle Tyres And Wheels | 2.7% | 1 |
Failures per 10,000 Miles
avg. 9,688 miFor every 10,000 miles driven, this shows what percentage of MOT tests fail for each category. This accounts for how far cars are actually driven, not just raw pass/fail counts.
View as table
| Category | Rate / 10K mi | Raw % | Count |
|---|---|---|---|
| Motorcycle tyres and wheels | 2.79 | 2.7% | 1 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 1971 Triumph T25 has an MOT pass rate of 91.9% based on 37 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 9,688 miles on the odometer. With a 8.1% failure rate, the 1971 T25 is rated as "Excellent" for MOT reliability.
If you own or are considering buying a 1971 Triumph T25, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to motorcycle tyres and wheels: Check tread depth with a 20p coin — if the outer band is visible, the tyre is too worn. Look for bulges, cuts, or embedded objects. Ensure all tyres match the recommended size and load rating. With relatively low average mileage of 9,688 miles, many of these vehicles are still in good mechanical condition.
Motorcycle tyres and wheels — 2.7% of failures
Motorcycle tyres and wheels issues account for 2.7% of MOT failures on 1971 Triumph T25 models. Tyre failures include tread depth below the legal minimum of 1.6mm, cuts, bulges, exposed cords, and incorrect tyre pressure. Tyres are one of the most common and easiest-to-prevent MOT failures. Typical repair costs: £50–200 per tyre. Pre-MOT check: Check tread depth with a 20p coin — if the outer band is visible, the tyre is too worn. Look for bulges, cuts, or embedded objects. Ensure all tyres match the recommended size and load rating.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.