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MOT reliability

Triumph Stag v8

4 vehicles · 44 completed MOT tests analysed
84%
MOT pass rate

Based on 4 Triumph Stag v8 vehicles and 44 completed MOT tests, the Triumph Stag v8 has an overall 84% pass rate, with an average recorded mileage of 66,796 miles.

4
Vehicles
44
MOT tests
321
Avg miles / year
1.2
Faults per test
4%
Dangerous-fault share

Triumph Stag v8 problem areas

Where faults occur most across all Triumph Stag v8 MOT tests:

  • Other69%
  • Brakes15%
  • Steering12%
  • Emissions & nuisance10%
  • Seatbelts & equipment8%
  • Tyres, wheels & suspension6%

Fuel types: Petrol (4)

Most common Triumph Stag v8 MOT faults

These are the faults and advisories recorded most often across Triumph Stag v8 MOT tests:

  1. Oil leak, but not excessive (8.4.1 (a) (i)) (4 times)
  2. Oil leak (2 times)
  3. Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) (2 times)
  4. Nearside Rear Tyre worn close to the legal limit (4.1.E.1) (2 times)
  5. Exhaust noisy (7.1.4) (1 times)
  6. clutch hydraulic pipe chaffing, some traces of fluid around slave cylinder. (1 times)
  7. coolant leak. (1 times)
  8. slight front brake imbalance. (1 times)
  9. slight play in offside front steering rack. (1 times)
  10. Front Windscreen washer provides insufficient washer liquid (8.2.3) (1 times)
  11. Rear Fuel pipe leaking (7.2.3) (1 times)
  12. Nearside Front wheel bearing has slight play (2.5.A.3c) (1 times)
  13. Offside Rear wheel bearing has slight play (2.6.2) (1 times)
  14. Power steering pipe(s) or hose(s) slightly damaged (2.3.2) (1 times)
  15. engine oil leak (1 times)

Triumph Stag v8 pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
1975 1 6 83% 55,615
1974 1 17 88% 38,328
1973 2 21 81% 86,620

Triumph Stag v8 reliability FAQ

Across 4 Triumph Stag v8 vehicles in our MOT data, 84% pass the MOT (a 16% failure rate), with about 1.2 faults or advisories recorded per test.

The most frequently recorded Triumph Stag v8 MOT issues are: Oil leak, but not excessive (8.4.1 (a) (i)); Oil leak; Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)).

The typical Triumph Stag v8 in our data has covered around 66,796 miles.

Compare the Triumph Stag v8

See how the Triumph Stag v8 stacks up against other Triumph models on MOT reliability:

Stag v8 vs Toledo Stag v8 vs Unknown Stag v8 vs 2000 Stag v8 vs 1500

Check a specific Triumph Stag v8

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See all Triumph models · Learn about common MOT failures · what an MOT checks