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MOT reliability

Triumph Iv

2 vehicles · 17 completed MOT tests analysed
76%
MOT pass rate

Based on 2 Triumph Iv vehicles and 17 completed MOT tests, the Triumph Iv has an overall 76% pass rate, with an average recorded mileage of 65,725 miles.

2
Vehicles
17
MOT tests
557
Avg miles / year
1.5
Faults per test
0%
Dangerous-fault share

Triumph Iv problem areas

Where faults occur most across all Triumph Iv MOT tests:

  • Other73%
  • Emissions & nuisance15%
  • Steering12%
  • Brakes12%
  • Seatbelts & equipment8%
  • Lamps & electrical4%

Fuel types: Petrol (2)

Most common Triumph Iv MOT faults

These are the faults and advisories recorded most often across Triumph Iv MOT tests:

  1. Nearside Front Brake hose slightly deteriorated (3.6.B.4d) (2 times)
  2. Offside Front Brake hose slightly deteriorated (3.6.B.4d) (2 times)
  3. Nearside outer track rod end joint cover split/missing (2 times)
  4. Front Brake pad(s) wearing thin (3.5.1g) (2 times)
  5. Oil leak, but not excessive (8.4.1 (a) (i)) (2 times)
  6. Fuel system component leaking (7.2.3) (1 times)
  7. All position lamps not working (1.1.A.3b) (1 times)
  8. Nearside Rear Shock absorber has a slightly reduced damping effect (2.7.5) (1 times)
  9. Offside Rear Shock absorber has a slightly reduced damping effect (2.7.5) (1 times)
  10. Rear Leaf spring splayed but action not impaired (2.4.B.1c) (1 times)
  11. front of nearside outer-sill starting to corrode (1 times)
  12. Nearside Front Windscreen wiper blade insecure (8.2.2) (1 times)
  13. Offside Front Windscreen wiper blade insecure (8.2.2) (1 times)
  14. Offside rear brake recording little or no effort (3.7.B.5a) (1 times)
  15. Offside rear parking brake recording little or no effort (3.7.B.6a) (1 times)

Triumph Iv pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
1974 1 8 75% 74,515
1971 1 9 78% 56,936

Triumph Iv reliability FAQ

Across 2 Triumph Iv vehicles in our MOT data, 76% pass the MOT (a 24% failure rate), with about 1.5 faults or advisories recorded per test.

The most frequently recorded Triumph Iv MOT issues are: Nearside Front Brake hose slightly deteriorated (3.6.B.4d); Offside Front Brake hose slightly deteriorated (3.6.B.4d); Nearside outer track rod end joint cover split/missing.

The typical Triumph Iv in our data has covered around 65,725 miles.

Compare the Triumph Iv

See how the Triumph Iv stacks up against other Triumph models on MOT reliability:

Iv vs Toledo Iv vs Unknown Iv vs 2000 Iv vs 1500

Check a specific Triumph Iv

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