1992 Porsche Unclassified MOT Pass Rate
Pass rate for Unclassified models manufactured in 1992, based on 42 real MOT test results.
Data from official DVSA MOT testing records
1992 Porsche Unclassified MOT Analysis
The 1992 Porsche Unclassified has an MOT pass rate of 85.7% based on 42 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 82,952 miles on the odometer. With a 14.3% failure rate, the 1992 Unclassified is rated as "Excellent" for MOT reliability.
The leading cause of MOT failure for the 1992 Porsche Unclassified is Body, chassis, structure, responsible for 2.4% of failures. Body and structure failures include excessive corrosion, sharp edges, loose panels, and damage to the vehicle frame. Rust is the primary concern, especially on older vehicles or those exposed to road salt. Typical repair costs range from £100–500+. Noise, emissions and leaks is the second most common issue at 2.4%.
Top failures specific to 1992 models only. The overall Unclassified 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 | Body, Chassis, Structure | 2.4% | 1 |
| 2 | Noise, Emissions And Leaks | 2.4% | 1 |
Failures per 10,000 Miles
avg. 82,952 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 |
|---|---|---|---|
| Body & Structure | 0.29 | 2.4% | 1 |
| Noise, emissions and leaks | 0.29 | 2.4% | 1 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 1992 Porsche Unclassified has an MOT pass rate of 85.7% based on 42 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 82,952 miles on the odometer. With a 14.3% failure rate, the 1992 Unclassified is rated as "Excellent" for MOT reliability.
If you own or are considering buying a 1992 Porsche Unclassified, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to body, chassis, structure: Inspect sills, wheel arches, door bottoms, and the chassis for rust. Surface rust is acceptable but structural corrosion or holes will fail. Check that all doors, bonnet, and boot close securely. With an average mileage of 82,952 miles, these vehicles are in the higher-mileage bracket where wear-related failures become more common.
Body, chassis, structure — 2.4% of failures
Body, chassis, structure issues account for 2.4% of MOT failures on 1992 Porsche Unclassified models. Body and structure failures include excessive corrosion, sharp edges, loose panels, and damage to the vehicle frame. Rust is the primary concern, especially on older vehicles or those exposed to road salt. Typical repair costs: £100–500+. Pre-MOT check: Inspect sills, wheel arches, door bottoms, and the chassis for rust. Surface rust is acceptable but structural corrosion or holes will fail. Check that all doors, bonnet, and boot close securely.
Noise, emissions and leaks — 2.4% of failures
Noise, emissions and leaks issues account for 2.4% of MOT failures on 1992 Porsche Unclassified 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.