Triumph Herald Estate MOT Pass Rate
Overall pass rate across all manufacture years, based on 33 real MOT test results. Failure rate: 42.4%.
Data from official DVSA MOT testing records
Triumph Herald Estate MOT Reliability Overview
The Triumph Herald Estate is a rare vehicle in the UK, with 33 MOT test results recorded in our database spanning 0 manufacture years. It has an overall MOT pass rate of 57.6% and a failure rate of 42.4%, which is slightly below the UK average of approximately 37%.
Based on this data, the Triumph Herald Estate earns a "Below Average" reliability rating. The average Triumph Herald Estate presents for MOT with approximately 45,639 miles on the clock.
The most common MOT failure for the Triumph Herald Estate is Brakes, affecting 63.6% 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 27.3%. Driver's View of the Road rounds out the top three at 21.2%. 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
* 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 | 66.7% | 22 |
| 2 | Suspension | 27.3% | 9 |
| 3 | Driver's View Of The Road | 21.2% | 7 |
| 4 | Lamps, Reflectors And Electrical Equipment | 18.2% | 6 |
| 5 | Body, Structure And General Items | 15.2% | 5 |
| 6 | Exhaust, Fuel And Emissions | 9.1% | 3 |
| 7 | Tyres | 6.1% | 2 |
| 8 | Steering | 3.0% | 1 |
| 9 | Registration Plates And Vin | 3.0% | 1 |
Failures per 10,000 Miles
avg. 45,639 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 | 14.61 | 66.7% | 22 |
| Suspension | 5.98 | 27.3% | 9 |
| Visibility | 4.65 | 21.2% | 7 |
| Lamps & Electrical | 3.98 | 18.2% | 6 |
| Body & Structure | 3.32 | 15.2% | 5 |
| Emissions & Exhaust | 1.99 | 9.1% | 3 |
| Tyres | 1.33 | 6.1% | 2 |
| Steering | 0.66 | 3.0% | 1 |
| Registration Plates and VIN | 0.66 | 3.0% | 1 |
🚗 Similar Cars to Consider
Mileage at MOT
The average Triumph Herald Estate has 45,639 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 Triumph Herald Estate has a mileage-adjusted failure rate of 9.29% per 10,000 miles driven. The average across all makes is 5.38%, so this model is worse than average.
About Triumph Herald Estate MOT Data
The Triumph Herald Estate is a rare vehicle in the UK, with 33 MOT test results recorded in our database spanning 0 manufacture years. It has an overall MOT pass rate of 57.6% and a failure rate of 42.4%, which is slightly below the UK average of approximately 37%.
For Triumph Herald Estate owners, these results suggest average reliability — some preparation before MOT can improve pass chances. 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 Herald Estate is likely to perform.
Brakes — 63.6% of failures
Brakes issues account for 63.6% of MOT failures on the Triumph Herald Estate. 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 — 27.3% of failures
Suspension issues account for 27.3% of MOT failures on the Triumph Herald Estate. 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 — 21.2% of failures
Driver's View of the Road issues account for 21.2% of MOT failures on the Triumph Herald Estate. 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 Triumph Herald Estate?
Based on 33 (based on limited data) MOT tests in our database, the Triumph Herald Estate has an overall pass rate of 57.6% (42.4% fail rate).
What are the most common MOT failures on a Triumph Herald Estate?
The top 3 reasons a Triumph Herald Estate fails its MOT are: 1. Brakes (63.6%), 2. Suspension (27.3%), 3. Driver's View of the Road (21.2%). Check these areas before booking your MOT.
Is the Triumph Herald Estate reliable?
With a 42.4% MOT failure rate, the Herald Estate is about average compared to the UK average of ~40%.
What should I check before an MOT on my Triumph Herald Estate?
Based on failure data, focus on: Brakes (63.6%); Suspension (27.3%); Driver's View of the Road (21.2%). 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.