1971 Triumph Tr6 MOT Pass Rate
Pass rate for Tr6 models manufactured in 1971, based on 13,544 real MOT test results.
Data from official DVSA MOT testing records
This page shows all Tr6 cars tested in 1971. Want to see how cars built in 1971 hold up over time?
View 1971 Triumph Tr6 vintage page → (82.7% current pass rate)1971 Triumph Tr6 MOT Analysis
The 1971 Triumph Tr6 has an MOT pass rate of 78.5% based on 13,544 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 47,971 miles on the odometer. With a 21.5% failure rate, the 1971 Tr6 is rated as "Excellent" for MOT reliability.
The leading cause of MOT failure for the 1971 Triumph Tr6 is Lamps, reflectors and electrical equipment, responsible for 0.2% of failures. Lighting failures cover all external lights: headlights, tail lights, brake lights, indicators, fog lights, and reflectors. A single blown bulb will cause an MOT fail. This is one of the most preventable failure categories. Typical repair costs range from £5–50. Brakes is the second most common issue at 0.1%. Suspension follows at 0.1%.
Top failures specific to 1971 models only. The overall Tr6 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 | Lamps, Reflectors And Electrical Equipment | 0.2% | 22 |
| 2 | Brakes | 0.1% | 15 |
| 3 | Suspension | 0.1% | 13 |
| 4 | Tyres | 0.1% | 9 |
| 5 | Visibility | 0.1% | 9 |
| 6 | Steering | 0.1% | 7 |
Failures per 10,000 Miles
avg. 47,971 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.
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| Category | Rate / 10K mi | Raw % | Count |
|---|---|---|---|
| Lamps & Electrical | 0.03 | 0.2% | 22 |
| Brakes | 0.02 | 0.1% | 15 |
| Suspension | 0.02 | 0.1% | 13 |
| Tyres | 0.01 | 0.1% | 9 |
| Visibility | 0.01 | 0.1% | 9 |
| Steering | 0.01 | 0.1% | 7 |
| Noise, emissions and leaks | 0.01 | 0.0% | 4 |
| Body & Structure | 0.01 | 0.0% | 4 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 1971 Triumph Tr6 has an MOT pass rate of 78.5% based on 13,544 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 47,971 miles on the odometer. With a 21.5% failure rate, the 1971 Tr6 is rated as "Excellent" for MOT reliability.
If you own or are considering buying a 1971 Triumph Tr6, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to lamps, reflectors and electrical equipment: Walk around the car and check every light — headlights (dipped and main beam), side lights, tail lights, brake lights, indicators, hazard lights, reverse light, rear fog light, and number plate lights. Replace any blown bulbs before the test. With relatively low average mileage of 47,971 miles, many of these vehicles are still in good mechanical condition.
Lamps, reflectors and electrical equipment — 0.2% of failures
Lamps, reflectors and electrical equipment issues account for 0.2% of MOT failures on 1971 Triumph Tr6 models. Lighting failures cover all external lights: headlights, tail lights, brake lights, indicators, fog lights, and reflectors. A single blown bulb will cause an MOT fail. This is one of the most preventable failure categories. Typical repair costs: £5–50. Pre-MOT check: Walk around the car and check every light — headlights (dipped and main beam), side lights, tail lights, brake lights, indicators, hazard lights, reverse light, rear fog light, and number plate lights. Replace any blown bulbs before the test.
Brakes — 0.1% of failures
Brakes issues account for 0.1% of MOT failures on 1971 Triumph Tr6 models. Brake-related failures include worn brake pads, corroded brake discs, leaking brake lines, and faulty brake servos. These are safety-critical components — any brake deficiency will result in an MOT fail. Typical repair costs: £150–400. Pre-MOT check: Listen for squealing or grinding noises. Check brake pedal feel — if it feels spongy or goes to the floor, have the system inspected immediately. Look at brake pad thickness through the wheel spokes (minimum 3mm).
Suspension — 0.1% of failures
Suspension issues account for 0.1% of MOT failures on 1971 Triumph Tr6 models. Suspension failures typically involve worn bushes, leaking shock absorbers, broken coil springs, and damaged suspension arms. These affect ride quality, tyre wear, and road holding. Typical repair costs: £200–500. Pre-MOT check: Look for uneven tyre wear, listen for clunking over bumps, and check if the car pulls to one side. A bouncy ride suggests worn shock absorbers. Visually inspect coil springs for cracks.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.