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MOT reliability

Triumph Herald convertible

12 vehicles · 89 completed MOT tests analysed
75%
MOT pass rate

Based on 12 Triumph Herald convertible vehicles and 89 completed MOT tests, the Triumph Herald convertible has an overall 75% pass rate, with an average recorded mileage of 82,825 miles.

12
Vehicles
89
MOT tests
447
Avg miles / year
1.5
Faults per test
0%
Dangerous-fault share

Triumph Herald convertible problem areas

Where faults occur most across all Triumph Herald convertible MOT tests:

  • Other119%
  • Brakes4%
  • Steering3%
  • Emissions & nuisance2%
  • Seatbelts & equipment1%
  • Tyres, wheels & suspension1%
  • Visibility1%

Fuel types: Petrol (12)

Most common Triumph Herald convertible MOT faults

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

  1. Parking brake: efficiency below requirements (3.7.B.7) (6 times)
  2. Brakes imbalanced across an axle (3.7.B.5b) (4 times)
  3. Nearside rear brake recording little or no effort (3.7.B.5a) (3 times)
  4. Nearside Front wheel bearing has slight play (2.5.A.3c) (3 times)
  5. Driver's seat insecure (6.2.A.1) (3 times)
  6. Registration plate lamp not working (1.1.C.1d) (3 times)
  7. Vehicle structure has slight corrosion (6.1.A.1) (3 times)
  8. Nearside Front Brake hose slightly deteriorated (3.6.B.4d) (2 times)
  9. Nearside Rear Brake hose slightly deteriorated (3.6.B.4d) (2 times)
  10. Offside Front Brake hose slightly deteriorated (3.6.B.4d) (2 times)
  11. Offside Rear Brake hose slightly deteriorated (3.6.B.4d) (2 times)
  12. Rear Brakes imbalanced across an axle Axle 2 (3.7.B.5b) (2 times)
  13. Nearside Front Front wheel bearing has slight play (2.5.A.3c) (2 times)
  14. Offside Front Front wheel bearing has slight play (2.5.A.3c) (2 times)
  15. Windscreen washer provides insufficient washer liquid (8.2.3) (2 times)

Triumph Herald convertible pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
1971 2 13 69% 75,063
1970 2 2 100% 38,210
1969 2 32 78% 45,260
1968 1 5 60% 5,998
1967 1 19 84% 46,943
1964 1 6 50% 15,262
1963 1 4 100% 445,207
1961 1 3 100% 65,273
1960 1 5 40% 98,154

Triumph Herald convertible reliability FAQ

Across 12 Triumph Herald convertible vehicles in our MOT data, 75% pass the MOT (a 25% failure rate), with about 1.5 faults or advisories recorded per test.

The most frequently recorded Triumph Herald convertible MOT issues are: Parking brake: efficiency below requirements (3.7.B.7); Brakes imbalanced across an axle (3.7.B.5b); Nearside rear brake recording little or no effort (3.7.B.5a).

The typical Triumph Herald convertible in our data has covered around 82,825 miles.

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