1970 Triumph 2.5 Pi MOT Pass Rate
Pass rate for 2.5 Pi models manufactured in 1970, based on 110 real MOT test results.
Data from official DVSA MOT testing records
1970 Triumph 2.5 Pi MOT Analysis
The 1970 Triumph 2.5 Pi has an MOT pass rate of 76.4% based on 110 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 58,599 miles on the odometer. With a 23.6% failure rate, the 1970 2.5 Pi is rated as "Excellent" for MOT reliability.
The leading cause of MOT failure for the 1970 Triumph 2.5 Pi is Brakes, responsible for 1.8% of failures. 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 range from £150–400. Driver's View of the Road is the second most common issue at 0.9%. Exhaust, Fuel and Emissions follows at 0.9%.
Top failures specific to 1970 models only. The overall 2.5 Pi 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 | Brakes | 1.8% | 2 |
| 2 | Driver's View Of The Road | 0.9% | 1 |
| 3 | Exhaust, Fuel And Emissions | 0.9% | 1 |
| 4 | Steering | 0.9% | 1 |
| 5 | Suspension | 0.9% | 1 |
Failures per 10,000 Miles
avg. 58,599 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 |
|---|---|---|---|
| Brakes | 0.31 | 1.8% | 2 |
| Visibility | 0.16 | 0.9% | 1 |
| Emissions & Exhaust | 0.16 | 0.9% | 1 |
| Steering | 0.16 | 0.9% | 1 |
| Suspension | 0.16 | 0.9% | 1 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 1970 Triumph 2.5 Pi has an MOT pass rate of 76.4% based on 110 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 58,599 miles on the odometer. With a 23.6% failure rate, the 1970 2.5 Pi is rated as "Excellent" for MOT reliability.
If you own or are considering buying a 1970 Triumph 2.5 Pi, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to brakes: 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). At 58,599 average miles, these vehicles are in the mid-range where component wear starts to become a factor.
Brakes — 1.8% of failures
Brakes issues account for 1.8% of MOT failures on 1970 Triumph 2.5 Pi 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).
Driver's View of the Road — 0.9% of failures
Driver's View of the Road issues account for 0.9% of MOT failures on 1970 Triumph 2.5 Pi models. Driver's View of the Road issues are a common cause of MOT failure. Regular inspection and maintenance of these components helps ensure your vehicle passes its MOT. Typical repair costs: £100–400. Pre-MOT check: Have this system checked during regular servicing. Look for warning signs like unusual noises, vibrations, or dashboard warning lights.
Exhaust, Fuel and Emissions — 0.9% of failures
Exhaust, Fuel and Emissions issues account for 0.9% of MOT failures on 1970 Triumph 2.5 Pi models. Emissions failures occur when exhaust gases exceed legal limits for carbon monoxide (CO), hydrocarbons (HC), or particulate matter (diesel). Common causes include faulty oxygen sensors, clogged catalytic converters, or DPF issues on diesel vehicles. Typical repair costs: £100–1,000+. Pre-MOT check: If the engine management light is on, get it diagnosed before the MOT. For diesel cars, ensure the DPF has completed a regeneration cycle. Regular servicing and using premium fuel before the test can help.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.