1971 Vauxhall Viva X14 MOT Pass Rate
Pass rate for Viva X14 models manufactured in 1971, based on 34 real MOT test results.
Data from official DVSA MOT testing records
1971 Vauxhall Viva X14 MOT Analysis
The 1971 Vauxhall Viva X14 has an MOT pass rate of 64.7% based on 34 tests — around the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 41,462 miles on the odometer. With a 35.3% failure rate, the 1971 Viva X14 is rated as "Average" for MOT reliability.
The leading cause of MOT failure for the 1971 Vauxhall Viva X14 is Brakes, responsible for 11.8% 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 2.9%.
Top failures specific to 1971 models only. The overall Viva X14 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 | 11.8% | 4 |
| 2 | Driver's View Of The Road | 2.9% | 1 |
Failures per 10,000 Miles
avg. 41,462 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 | 2.84 | 11.8% | 4 |
| Visibility | 0.71 | 2.9% | 1 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 1971 Vauxhall Viva X14 has an MOT pass rate of 64.7% based on 34 tests — around the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 41,462 miles on the odometer. With a 35.3% failure rate, the 1971 Viva X14 is rated as "Average" for MOT reliability.
If you own or are considering buying a 1971 Vauxhall Viva X14, budget for potential repairs before each MOT. 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). With relatively low average mileage of 41,462 miles, many of these vehicles are still in good mechanical condition.
Brakes — 11.8% of failures
Brakes issues account for 11.8% of MOT failures on 1971 Vauxhall Viva X14 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 — 2.9% of failures
Driver's View of the Road issues account for 2.9% of MOT failures on 1971 Vauxhall Viva X14 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.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.