1997 Caterham Seven (s3) MOT Pass Rate
Pass rate for Seven (s3) models manufactured in 1997, based on 1,482 real MOT test results.
Data from official DVSA MOT testing records
This page shows all Seven (s3) cars tested in 1997. Want to see how cars built in 1997 hold up over time?
View 1997 Caterham Seven (s3) vintage page → (84.6% current pass rate)1997 Caterham Seven (s3) MOT Analysis
The 1997 Caterham Seven (s3) has an MOT pass rate of 85.1% based on 1,482 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 23,871 miles on the odometer. With a 14.9% failure rate, the 1997 Seven (s3) is rated as "Excellent" for MOT reliability.
The leading cause of MOT failure for the 1997 Caterham Seven (s3) is Tyres, responsible for 1.1% of failures. Tyre failures include tread depth below the legal minimum of 1.6mm, cuts, bulges, exposed cords, and incorrect tyre pressure. Tyres are one of the most common and easiest-to-prevent MOT failures. Typical repair costs range from £50–200 per tyre. Body, chassis, structure is the second most common issue at 0.5%. Brakes follows at 0.4%.
Top failures specific to 1997 models only. The overall Seven (s3) 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 | Tyres | 1.1% | 17 |
| 2 | Body, Chassis, Structure | 0.5% | 8 |
| 3 | Brakes | 0.4% | 6 |
| 4 | Lamps, Reflectors And Electrical Equipment | 0.4% | 6 |
| 5 | Steering | 0.3% | 4 |
| 6 | Suspension | 0.1% | 2 |
| 7 | Identification Of The Vehicle | 0.1% | 2 |
| 8 | Noise, Emissions And Leaks | 0.1% | 2 |
Failures per 10,000 Miles
avg. 23,871 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 |
|---|---|---|---|
| Tyres | 0.48 | 1.1% | 17 |
| Body & Structure | 0.23 | 0.5% | 8 |
| Brakes | 0.17 | 0.4% | 6 |
| Lamps & Electrical | 0.17 | 0.4% | 6 |
| Steering | 0.11 | 0.3% | 4 |
| Suspension | 0.06 | 0.1% | 2 |
| Identification of the vehicle | 0.06 | 0.1% | 2 |
| Noise, emissions and leaks | 0.06 | 0.1% | 2 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 1997 Caterham Seven (s3) has an MOT pass rate of 85.1% based on 1,482 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 23,871 miles on the odometer. With a 14.9% failure rate, the 1997 Seven (s3) is rated as "Excellent" for MOT reliability.
If you own or are considering buying a 1997 Caterham Seven (s3), you can expect reliable MOT performance overall. Before your MOT, pay particular attention to tyres: Check tread depth with a 20p coin — if the outer band is visible, the tyre is too worn. Look for bulges, cuts, or embedded objects. Ensure all tyres match the recommended size and load rating. With relatively low average mileage of 23,871 miles, many of these vehicles are still in good mechanical condition.
Tyres — 1.1% of failures
Tyres issues account for 1.1% of MOT failures on 1997 Caterham Seven (s3) models. Tyre failures include tread depth below the legal minimum of 1.6mm, cuts, bulges, exposed cords, and incorrect tyre pressure. Tyres are one of the most common and easiest-to-prevent MOT failures. Typical repair costs: £50–200 per tyre. Pre-MOT check: Check tread depth with a 20p coin — if the outer band is visible, the tyre is too worn. Look for bulges, cuts, or embedded objects. Ensure all tyres match the recommended size and load rating.
Body, chassis, structure — 0.5% of failures
Body, chassis, structure issues account for 0.5% of MOT failures on 1997 Caterham Seven (s3) 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.
Brakes — 0.4% of failures
Brakes issues account for 0.4% of MOT failures on 1997 Caterham Seven (s3) 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).
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.