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MOT reliability

Triumph Tr4-a

2 vehicles · 19 completed MOT tests analysed
68%
MOT pass rate

Based on 2 Triumph Tr4-a vehicles and 19 completed MOT tests, the Triumph Tr4-a has an overall 68% pass rate, with an average recorded mileage of 55,949 miles.

2
Vehicles
19
MOT tests
464
Avg miles / year
1.9
Faults per test
0%
Dangerous-fault share

Triumph Tr4-a problem areas

Where faults occur most across all Triumph Tr4-a MOT tests:

  • Other78%
  • Emissions & nuisance19%
  • Tyres, wheels & suspension6%
  • Steering6%

Triumph Tr4-a pass rate by age

Age (years)TestsPass rate

Fuel types: Petrol (2)

Most common Triumph Tr4-a MOT faults

These are the faults and advisories recorded most often across Triumph Tr4-a MOT tests:

  1. Windscreen washer provides insufficient washer liquid (8.2.3) (3 times)
  2. Offside rear brake binding (3.7.B.1) (3 times)
  3. Parking brake: efficiency below requirements (3.7.B.7) (2 times)
  4. Windscreen has damage to an area less than a 40mm circle outside zone 'A' (8.3.1d) (2 times)
  5. Offside front brake binding (3.7.B.1) (2 times)
  6. Oil leak from gearbox (2 times)
  7. Steering system has slight free play detected at steering wheel (2.2.A.1b) (2 times)
  8. Nearside Headlamp not working on dipped beam (1.7.5a) (1 times)
  9. Nearside Headlamp not working on main beam (1.7.5a) (1 times)
  10. Offside Headlamp not working on dipped beam (1.7.5a) (1 times)
  11. Offside Headlamp not working on main beam (1.7.5a) (1 times)
  12. Offside front brake application uneven (3.7.B.2) (1 times)
  13. Nearside front brake binding (3.7.B.1) (1 times)
  14. Nearside Front Windscreen wiper does not clear the windscreen effectively (8.2.2) (1 times)
  15. Offside Rear rear brake binding (3.7.B.1) (1 times)

Triumph Tr4-a pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
1989 1 5 80% 55,668
1966 1 14 64% 56,231

Triumph Tr4-a reliability FAQ

Across 2 Triumph Tr4-a vehicles in our MOT data, 68% pass the MOT (a 32% failure rate), with about 1.9 faults or advisories recorded per test.

The most frequently recorded Triumph Tr4-a MOT issues are: Windscreen washer provides insufficient washer liquid (8.2.3); Offside rear brake binding (3.7.B.1); Parking brake: efficiency below requirements (3.7.B.7).

The typical Triumph Tr4-a in our data has covered around 55,949 miles.

Compare the Triumph Tr4-a

See how the Triumph Tr4-a stacks up against other Triumph models on MOT reliability:

Tr4-a vs Toledo Tr4-a vs Unknown Tr4-a vs 2000 Tr4-a vs 1500

Check a specific Triumph Tr4-a

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