MOT reliability
Triumph Tr4a irs
10 vehicles · 106 completed MOT tests analysed
82%
MOT pass rate
Based on 10 Triumph Tr4a irs vehicles and 106 completed MOT tests, the Triumph Tr4a irs has an overall 82% pass rate, with an average recorded mileage of 58,056 miles.
10
Vehicles
106
MOT tests
952
Avg miles / year
1.6
Faults per test
0%
Dangerous-fault share
Triumph Tr4a irs problem areas
Where faults occur most across all Triumph Tr4a irs MOT tests:
-
Other108%
-
Emissions & nuisance8%
-
Steering7%
-
Brakes4%
-
Lamps & electrical3%
-
Seatbelts & equipment2%
-
Tyres, wheels & suspension1%
-
Body & structure1%
Triumph Tr4a irs pass rate by age
| Age (years) | Tests | Pass rate |
|---|---|---|
| 15 | 1 | 100% |
| 17 | 1 | 100% |
| 18 | 1 | 100% |
| 19 | 1 | 100% |
| 20 | 1 | 100% |
Fuel types: Petrol (10)
Most common Triumph Tr4a irs MOT faults
These are the faults and advisories recorded most often across Triumph Tr4a irs MOT tests:
- Steering system has slight free play detected at steering wheel (2.2.A.1b) (8 times)
- Oil leak, but not excessive (8.4.1 (a) (i)) (7 times)
- Offside Steering rack gaiter deteriorated (2.2.D.2d) (7 times)
- Nearside Front wheel bearing has slight play (2.5.A.3c) (4 times)
- Offside Front wheel bearing has slight play (2.5.A.3c) (4 times)
- vehicle in "Superb" condition for age (4 times)
- Nearside Front Front wheel bearing has slight play (2.5.A.3c) (4 times)
- Suspension joint nearside upper dust cover split/missing (3 times)
- Suspension joint offside upper dust cover split/missing (3 times)
- slight wear/play in steering rack (3 times)
- washers weak in operation (3 times)
- Oil leak, but not excessive engine oil (8.4.1 (a) (i)) (2 times)
- Oil leak, but not excessive gearbox oil (8.4.1 (a) (i)) (2 times)
- Play in steering rack inner joint(s) (2 times)
- Rear Brakes imbalanced requirements only just met. It would appear that the braking system requires adjustment or repair. (1.2.1 (b) (i)) (2 times)
Triumph Tr4a irs pass rate by registration year
| Year | Vehicles | Tests | Pass rate | Avg mileage |
|---|---|---|---|---|
| 1991 | 1 | 11 | 91% | 16,254 |
| 1967 | 3 | 57 | 77% | 88,298 |
| 1966 | 4 | 18 | 89% | 51,963 |
| 1965 | 2 | 20 | 85% | 45,781 |
Triumph Tr4a irs reliability FAQ
Across 10 Triumph Tr4a irs vehicles in our MOT data,
82% pass the MOT (a 18% failure rate), with about
1.6 faults or advisories recorded per test.
The most frequently recorded Triumph Tr4a irs MOT issues are:
Steering system has slight free play detected at steering wheel (2.2.A.1b); Oil leak, but not excessive (8.4.1 (a) (i)); Offside Steering rack gaiter deteriorated (2.2.D.2d).
The typical Triumph Tr4a irs in our data has covered around
58,056 miles.
Compare the Triumph Tr4a irs
See how the Triumph Tr4a irs stacks up against other Triumph models on MOT reliability:
Check a specific Triumph Tr4a irs
Enter a registration to see that exact vehicle's full MOT history, advisories and recurring faults.
See all Triumph models · Learn about common MOT failures · what an MOT checks