1990 Fiat X1/9 MOT Pass Rate
Pass rate for X1/9 models manufactured in 1990, based on 169 real MOT test results.
Data from official DVSA MOT testing records
1990 Fiat X1/9 MOT Analysis
The 1990 Fiat X1/9 has an MOT pass rate of 68.0% based on 169 tests — slightly above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 50,928 miles on the odometer. With a 32.0% failure rate, the 1990 X1/9 is rated as "Good" for MOT reliability.
The leading cause of MOT failure for the 1990 Fiat X1/9 is Noise, emissions and leaks, responsible for 2.4% 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 1.2%.
Top failures specific to 1990 models only. The overall X1/9 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 | 2.4% | 4 |
| 2 | Steering | 1.2% | 2 |
Failures per 10,000 Miles
avg. 50,928 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 |
|---|---|---|---|
| Noise, emissions and leaks | 0.46 | 2.4% | 4 |
| Steering | 0.23 | 1.2% | 2 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 1990 Fiat X1/9 has an MOT pass rate of 68.0% based on 169 tests — slightly above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 50,928 miles on the odometer. With a 32.0% failure rate, the 1990 X1/9 is rated as "Good" for MOT reliability.
If you own or are considering buying a 1990 Fiat X1/9, you can expect reliable MOT performance overall. 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 50,928 average miles, these vehicles are in the mid-range where component wear starts to become a factor.
Noise, emissions and leaks — 2.4% of failures
Noise, emissions and leaks issues account for 2.4% of MOT failures on 1990 Fiat X1/9 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 — 1.2% of failures
Steering issues account for 1.2% of MOT failures on 1990 Fiat X1/9 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.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.