Rover P4 /100 MOT Pass Rate
Overall pass rate across all manufacture years, based on 63 real MOT test results. Failure rate: 27.0%.
Data from official DVSA MOT testing records
Rover P4 /100 MOT Reliability Overview
The Rover P4 /100 is a rare vehicle in the UK, with 63 MOT test results recorded in our database spanning 1 manufacture years. It has an overall MOT pass rate of 73.0% and a failure rate of 27.0%, which is above the UK average of approximately 37%.
Based on this data, the Rover P4 /100 earns a "Very Good" reliability rating. The average Rover P4 /100 presents for MOT with approximately 61,177 miles on the clock. The 1961 manufacture year performs best with a 65.2% pass rate.
The most common MOT failure for the Rover P4 /100 is Brakes, affecting 39.7% of all tests. 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. The second most common issue is Suspension at 15.9%. Driver's View of the Road rounds out the top three at 11.1%. Together, these top 3 failure categories account for a significant portion of all MOT failures for this model.
Top failures across all manufacture years combined. Individual year pages may show different top failures.
What Fails Most
Pass Rate by Manufacture Year
* High Fail Rate badge indicates an MOT pass rate below 65% (failure rate above 35%).
What Fails on This Car?
Click a category to see specific failure items.
View as table
| Rank | Failure Category | Rate (%) | Count |
|---|---|---|---|
| 1 | Brakes | 46.0% | 29 |
| 2 | Lamps, Reflectors And Electrical Equipment | 22.2% | 14 |
| 3 | Suspension | 17.5% | 11 |
| 4 | Driver's View Of The Road | 12.7% | 8 |
| 5 | Seat Belts And Supplementary Restraint Systems | 6.4% | 4 |
| 6 | Body, Structure And General Items | 6.3% | 4 |
| 7 | Body, Chassis, Structure | 4.8% | 3 |
| 8 | Items Not Tested | 3.2% | 2 |
| 9 | Steering | 3.2% | 2 |
Failures per 10,000 Miles
avg. 61,177 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 |
|---|---|---|---|
| Brakes | 7.52 | 46.0% | 29 |
| Lamps & Electrical | 3.64 | 22.2% | 14 |
| Suspension | 2.85 | 17.5% | 11 |
| Visibility | 2.08 | 12.7% | 8 |
| Body & Structure | 1.82 | 11.1% | 7 |
| Seat Belts | 1.04 | 6.4% | 4 |
| Items Not Tested | 0.52 | 3.2% | 2 |
| Steering | 0.52 | 3.2% | 2 |
🚗 Similar Cars to Consider
Mileage at MOT
The average Rover P4 /100 has 61,177 miles when tested for MOT.
📊 Mileage-Adjusted Failure Rate
How often this car fails MOT relative to how much it's driven — a fairer comparison than raw pass rate.
The Rover P4 /100 has a mileage-adjusted failure rate of 4.41% per 10,000 miles driven. The average across all makes is 5.38%, so this model is better than average.
About Rover P4 /100 MOT Data
The Rover P4 /100 is a rare vehicle in the UK, with 63 MOT test results recorded in our database spanning 1 manufacture years. It has an overall MOT pass rate of 73.0% and a failure rate of 27.0%, which is above the UK average of approximately 37%.
For Rover P4 /100 owners, these results suggest a reliable vehicle that generally passes its MOT without major issues. Focus your pre-MOT checks on brakes and suspension for the best chance of a first-time pass. Use our detailed year-by-year breakdown and failure analysis below to understand how your specific P4 /100 is likely to perform.
Brakes — 39.7% of failures
Brakes issues account for 39.7% of MOT failures on the Rover P4 /100. 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).
Suspension — 15.9% of failures
Suspension issues account for 15.9% of MOT failures on the Rover P4 /100. 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.
Driver's View of the Road — 11.1% of failures
Driver's View of the Road issues account for 11.1% of MOT failures on the Rover P4 /100. Driver's View of the Road issues are a common cause of MOT failure. Regular inspection and maintenance of these components helps ensure your vehicle passes its MOT. Typical repair costs: £100–400. Pre-MOT check: Have this system checked during regular servicing. Look for warning signs like unusual noises, vibrations, or dashboard warning lights.
Frequently Asked Questions
What is the MOT pass rate for the Rover P4 /100?
Based on 63 (based on limited data) MOT tests in our database, the Rover P4 /100 has an overall pass rate of 73.0% (27.0% fail rate).
What are the most common MOT failures on a Rover P4 /100?
The top 3 reasons a Rover P4 /100 fails its MOT are: 1. Brakes (39.7%), 2. Suspension (15.9%), 3. Driver's View of the Road (11.1%). Check these areas before booking your MOT.
Is the Rover P4 /100 reliable?
With a 27.0% MOT failure rate, the P4 /100 is more reliable than average compared to the UK average of ~40%.
What should I check before an MOT on my Rover P4 /100?
Based on failure data, focus on: Brakes (39.7%); Suspension (15.9%); Driver's View of the Road (11.1%). These are the areas most likely to cause a fail. Also check all lights, tyres (minimum 1.6mm tread), and windscreen condition — these are quick wins that apply to all cars.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.