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1997 Rover 420di MOT Pass Rate

Pass rate for 420di models manufactured in 1997, based on 34 real MOT test results.

41.2%
Pass Rate
58.8%
Fail Rate
34
Total Tests
140,468
Avg Mileage

Data from official DVSA MOT testing records

This page shows all 420di cars tested in 1997. Want to see how cars built in 1997 hold up over time?

View 1997 Rover 420di vintage page โ†’ (40.0% current pass rate)

1997 Rover 420di MOT Analysis

The 1997 Rover 420di has an MOT pass rate of 41.2% based on 34 tests โ€” significantly below the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 140,468 miles on the odometer. With a 58.8% failure rate, the 1997 420di is rated as "Very Poor" for MOT reliability.

The leading cause of MOT failure for the 1997 Rover 420di is Lamps, Reflectors and Electrical Equipment, responsible for 11.8% of failures. Lighting failures cover all external lights: headlights, tail lights, brake lights, indicators, fog lights, and reflectors. A single blown bulb will cause an MOT fail. This is one of the most preventable failure categories. Typical repair costs range from ยฃ5โ€“50. Brakes is the second most common issue at 2.9%.

โš  Based on limited data (34 tests)

Top failures specific to 1997 models only. The overall 420di page may show different rankings.

What Fails Most

What Fails on This Car?

Click a category to see specific failure items.

View as table
MOT failure categories ranked by failure rate
RankFailure CategoryRate (%)Count
1Lamps, Reflectors And Electrical Equipment11.8%4
2Brakes2.9%1

Failures per 10,000 Miles

avg. 140,468 mi

For 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.

Lamps & Electrical0.84% per 10K miBrakes0.21% per 10K mi
View as table
Mileage-normalised failure rates by category
CategoryRate / 10K miRaw %Count
Lamps & Electrical0.8411.8%4
Brakes0.212.9%1

Mileage Statistics

140,468
Mean
131,873
Median
110,639
25th Percentile
163,262
75th Percentile
4.19% failures per 10K miles

Mileage-adjusted failure rate โ€” accounts for how much this model year is typically driven.

About This Data

The 1997 Rover 420di has an MOT pass rate of 41.2% based on 34 tests โ€” significantly below the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 140,468 miles on the odometer. With a 58.8% failure rate, the 1997 420di is rated as "Very Poor" for MOT reliability.

If you own or are considering buying a 1997 Rover 420di, be prepared for above-average maintenance costs. Before your MOT, pay particular attention to lamps, reflectors and electrical equipment: Walk around the car and check every light โ€” headlights (dipped and main beam), side lights, tail lights, brake lights, indicators, hazard lights, reverse light, rear fog light, and number plate lights. Replace any blown bulbs before the test. With an average mileage of 140,468 miles, these vehicles are in the higher-mileage bracket where wear-related failures become more common.

Lamps, Reflectors and Electrical Equipment โ€” 11.8% of failures

Lamps, Reflectors and Electrical Equipment issues account for 11.8% of MOT failures on 1997 Rover 420di models. Lighting failures cover all external lights: headlights, tail lights, brake lights, indicators, fog lights, and reflectors. A single blown bulb will cause an MOT fail. This is one of the most preventable failure categories. Typical repair costs: ยฃ5โ€“50. Pre-MOT check: Walk around the car and check every light โ€” headlights (dipped and main beam), side lights, tail lights, brake lights, indicators, hazard lights, reverse light, rear fog light, and number plate lights. Replace any blown bulbs before the test.

Brakes โ€” 2.9% of failures

Brakes issues account for 2.9% of MOT failures on 1997 Rover 420di models. Brake-related failures include worn brake pads, corroded brake discs, leaking brake lines, and faulty brake servos. These are safety-critical components โ€” any brake deficiency will result in an MOT fail. Typical repair costs: ยฃ150โ€“400. Pre-MOT check: Listen for squealing or grinding noises. Check brake pedal feel โ€” 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 (2005โ€“2024). Crown copyright, Open Government Licence v3.0.

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