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MOT reliability

Triumph T20s

5 vehicles · 20 completed MOT tests analysed
85%
MOT pass rate

Based on 5 Triumph T20s vehicles and 20 completed MOT tests, the Triumph T20s has an overall 85% pass rate, with an average recorded mileage of 441 miles.

5
Vehicles
20
MOT tests
25
Avg miles / year
0.4
Faults per test
0%
Dangerous-fault share

Triumph T20s problem areas

Where faults occur most across all Triumph T20s MOT tests:

  • Other100%
  • Brakes11%
  • Steering11%

Fuel types: Petrol (5)

Most common Triumph T20s MOT faults

These are the faults and advisories recorded most often across Triumph T20s MOT tests:

  1. Steering movement slightly stiff (2.2.1b) (2 times)
  2. Front Roller brake test indicates a slightly juddering brake (3.3.A1b) (2 times)
  3. Rear wheel bearings have slight free play (2.4.A.2c) (2 times)
  4. Stop lamp does not illuminate immediately a brake applies (1.3.1a) (1 times)
  5. Front wheel bearings are excessively rough (2.3.5b) (1 times)
  6. Roller brake test The less effective brake control does not achieve an efficiency of 25%. (3.3.A2b) (1 times)
  7. Headlamp aim too low (1.6) (1 times)
  8. Upper Steering headbearing has slight free play (2.2.2) (1 times)

Triumph T20s pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
1960 1 9 67% 456
1959 3 6 100% 436
1957 1 5 100% —

Triumph T20s reliability FAQ

Across 5 Triumph T20s vehicles in our MOT data, 85% pass the MOT (a 15% failure rate), with about 0.4 faults or advisories recorded per test.

The most frequently recorded Triumph T20s MOT issues are: Steering movement slightly stiff (2.2.1b); Front Roller brake test indicates a slightly juddering brake (3.3.A1b); Rear wheel bearings have slight free play (2.4.A.2c).

The typical Triumph T20s in our data has covered around 441 miles.

Compare the Triumph T20s

See how the Triumph T20s stacks up against other Triumph models on MOT reliability:

T20s vs Toledo T20s vs Unknown T20s vs 2000 T20s vs 1500

Check a specific Triumph T20s

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