1977 Triumph Spitfire 1500 MOT Pass Rate
Pass rate for Spitfire 1500 models manufactured in 1977, based on 191 real MOT test results.
Data from official DVSA MOT testing records
1977 Triumph Spitfire 1500 MOT Analysis
The 1977 Triumph Spitfire 1500 has an MOT pass rate of 62.3% based on 191 tests — around the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 50,918 miles on the odometer. With a 37.7% failure rate, the 1977 Spitfire 1500 is rated as "Average" for MOT reliability.
The leading cause of MOT failure for the 1977 Triumph Spitfire 1500 is Noise, emissions and leaks, responsible for 0.5% of failures. 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 range from £100–1,000+. Steering is the second most common issue at 0.5%. Suspension follows at 0.5%.
Top failures specific to 1977 models only. The overall Spitfire 1500 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 | Noise, Emissions And Leaks | 0.5% | 1 |
| 2 | Steering | 0.5% | 1 |
| 3 | Suspension | 0.5% | 1 |
Failures per 10,000 Miles
avg. 50,918 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 |
|---|---|---|---|
| Noise, emissions and leaks | 0.10 | 0.5% | 1 |
| Steering | 0.10 | 0.5% | 1 |
| Suspension | 0.10 | 0.5% | 1 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 1977 Triumph Spitfire 1500 has an MOT pass rate of 62.3% based on 191 tests — around the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 50,918 miles on the odometer. With a 37.7% failure rate, the 1977 Spitfire 1500 is rated as "Average" for MOT reliability.
If you own or are considering buying a 1977 Triumph Spitfire 1500, budget for potential repairs before each MOT. Before your MOT, pay particular attention to noise, emissions and leaks: 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. At 50,918 average miles, these vehicles are in the mid-range where component wear starts to become a factor.
Noise, emissions and leaks — 0.5% of failures
Noise, emissions and leaks issues account for 0.5% of MOT failures on 1977 Triumph Spitfire 1500 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.
Steering — 0.5% of failures
Steering issues account for 0.5% of MOT failures on 1977 Triumph Spitfire 1500 models. Steering failures include excessive play in the steering wheel, leaking power steering fluid, worn track rod ends, and damaged steering rack. These affect vehicle control and are closely related to suspension wear. Typical repair costs: £150–600. Pre-MOT check: Check for excessive steering wheel play (more than a few inches of free movement). Listen for whining from the power steering pump. Look for fluid leaks under the car near the front wheels.
Suspension — 0.5% of failures
Suspension issues account for 0.5% of MOT failures on 1977 Triumph Spitfire 1500 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.