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MOT reliability

Triumph Mk3

2 vehicles · 12 completed MOT tests analysed
83%
MOT pass rate

Based on 2 Triumph Mk3 vehicles and 12 completed MOT tests, the Triumph Mk3 has an overall 83% pass rate, with an average recorded mileage of 39,826 miles.

2
Vehicles
12
MOT tests
2,282
Avg miles / year
2.5
Faults per test
0%
Dangerous-fault share

Triumph Mk3 problem areas

Where faults occur most across all Triumph Mk3 MOT tests:

  • Other93%
  • Seatbelts & equipment10%
  • Tyres, wheels & suspension7%

Fuel types: Petrol (2)

Most common Triumph Mk3 MOT faults

These are the faults and advisories recorded most often across Triumph Mk3 MOT tests:

  1. Body has slight corrosion (6.1.B.2) (2 times)
  2. Exhaust has a minor leak of exhaust gases (7.1.2) (2 times)
  3. Offside Rear Suspension component mounting prescribed area is excessively corroded (2.4.A.3) (2 times)
  4. Vehicle structure has slight corrosion (6.1.B.2) (2 times)
  5. Nearside Front brake disc slightly pitted (3.5.1h) (1 times)
  6. Offside Front brake disc slightly scored (3.5.1h) (1 times)
  7. Oil leak (1 times)
  8. Steering column top bearing slightly worn (2.1.2c) (1 times)
  9. Steering system has slight free play detected at steering wheel (2.2.A.1b) (1 times)
  10. o/s/f mirror loose (1 times)
  11. n/s/f tyre side wall starting to perish (1 times)
  12. Driver's door cannot be opened from outside the vehicle (6.2.B.1b) (1 times)
  13. Hazard warning lamps not flashing in phase, with ignition off (1.4.B.1f) (1 times)
  14. Hazard warning lamps not flashing in phase, with ignition on (1.4.B.1f) (1 times)
  15. Hazard warning tell tale not working correctly (1.4.B.1e) (1 times)

Triumph Mk3 pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
1973 1 3 67% 41,638
1972 1 9 89% 38,015

Triumph Mk3 reliability FAQ

Across 2 Triumph Mk3 vehicles in our MOT data, 83% pass the MOT (a 17% failure rate), with about 2.5 faults or advisories recorded per test.

The most frequently recorded Triumph Mk3 MOT issues are: Body has slight corrosion (6.1.B.2); Exhaust has a minor leak of exhaust gases (7.1.2); Offside Rear Suspension component mounting prescribed area is excessively corroded (2.4.A.3).

The typical Triumph Mk3 in our data has covered around 39,826 miles.

Compare the Triumph Mk3

See how the Triumph Mk3 stacks up against other Triumph models on MOT reliability:

Mk3 vs Toledo Mk3 vs Unknown Mk3 vs 2000 Mk3 vs 1500

Check a specific Triumph Mk3

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