Triumph S reliability, MOT pass rate and rarity

Time Period & Model

Time period snapshot: Last 5 years

Manufacturer: Triumph

Model: S

Model reliability rank

MOT-based rank from 18,897 selected-period tests.

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Overall MOT pass rate

89.9%

Share of this model's 18,897 selected-period MOT tests that pass.

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Efficiency, emissions & tax

Average MPG

CO2 emission

Euro emissions

Tax cost

£355/yr

Vehicle list price over £40,000?NoYes

Average vehicle miles

16,664

Lower average mileage in the analysed fleet.

Life expectancy miles

17,001

Lower mature-fleet mileage expectation.

Average vehicle age

12.1

Comfortable mid-life age pattern.

Vehicles represented

2,980

2,980 valid MOT, 0 under 3 years.

Tests analysed

18,897

18,897 MOT tests in the selected period.

Rarity ranking

Based on Make & Model

Very Rare

2,980On the road

Insight summary

Triumph S is a very rare model in this snapshot, with 2,980 represented vehicles and 0.01% of the active UK pool tracked by AutoRank. For the last 5 years, it has a pass rate of 89.9% from 18,897 MOT tests, with a reliability score of 66. The current pool shows an average of 16,664 miles and an average age of 12.1 years, while mature-fleet mileage is estimated at 17,001 miles. Petrol leads the fuel split, and the most frequent defect themes are reflector missing, horn not working and lighting. The practical read is that the Triumph S looks a little better than average, but still rewards careful checks on mileage and maintenance.

Fuel type breakdown (by model)

Fuel	Vehicles
PETROL	2,980

Euro NCAP Safety

No NCAP tests found for this model.

Top 25 most common defects (by model)

Defect	Count
Rear reflector missing (4.8.2 (a) (ii))	297
Horn not working (7.7 (a))	130
Headlamp aim too high (4.1.2 (a))	124
Registration plate does not conform to the specified requirements (0.1 (d))	87
Rear Tyre tread depth is below minimum requirements of 1.0mm (5.2.3 (e))	78
Front Tyre tread depth is below minimum requirements of 1.0mm (5.2.3 (e))	74
Rear Stop lamp not working (4.3.1 (a) (ii))	69
Front Brake excessively binding (1.2.1 (f))	67
Rear Rear reflector missing (4.8.2 (a) (ii))	67
Steering headbearing excessively stiff or notchy (2.2.2 (f) (i))	65
Headlamp aim too low (4.1.2 (a))	61
Rear reflector obviously incorrectly positioned (4.8.2 (a) (i))	58
Registration plate lamp throwing direct white light to the rear (4.7.1 (a))	56
Registration plate lamp inoperative in the case of a single lamp or all lamps (4.7.1 (b) (ii))	54
Front Stop lamp not working (4.3.1 (a) (ii))	46
Front Brake pad(s) less than 1.0 mm thick (1.1.13 (a))	37
Registration plate lamp does not illuminate simultaneously with the position lamp(s) (4.7.2 (a))	37
Drive chain excessively loose (6.1.7 (c) (i))	32
Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e))	31
Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii))	31
Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii))	25
Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition (8.1.1 (a))	21
Nearside Rear Direction indicator not working (4.4.1 (a) (ii))	20
Rear Brake pad(s) less than 1.0 mm thick (1.1.13 (a))	20
Front Headlamp aim too high (4.1.2 (a))	18

All 25 defects ranked by recorded countShowing 1,605 defects across this top 25 set

Rear reflector missing (4.8.2 (a) (ii))

297

Horn not working (7.7 (a))

130

Headlamp aim too high (4.1.2 (a))

124

Registration plate does not conform to the specified requirements (0.1 (d))

Rear Tyre tread depth is below minimum requirements of 1.0mm (5.2.3 (e))

Front Tyre tread depth is below minimum requirements of 1.0mm (5.2.3 (e))

Rear Stop lamp not working (4.3.1 (a) (ii))

Front Brake excessively binding (1.2.1 (f))

Rear Rear reflector missing (4.8.2 (a) (ii))

Steering headbearing excessively stiff or notchy (2.2.2 (f) (i))

Headlamp aim too low (4.1.2 (a))

Rear reflector obviously incorrectly positioned (4.8.2 (a) (i))

Registration plate lamp throwing direct white light to the rear (4.7.1 (a))

Registration plate lamp inoperative in the case of a single lamp or all lamps (4.7.1 (b) (ii))

Front Stop lamp not working (4.3.1 (a) (ii))

Front Brake pad(s) less than 1.0 mm thick (1.1.13 (a))

Registration plate lamp does not illuminate simultaneously with the position lamp(s) (4.7.2 (a))

Drive chain excessively loose (6.1.7 (c) (i))

Front Brake indicates excessive fluctuation of brake effort (1.2.1 (e))

Front Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii))

Stop lamp does not illuminate by the operation of both brake controls (4.3.2 (a) (iii))

Exhaust noise is clearly in excess of that emitted by a similar motorcycle fitted with a standard silencer in average condition (8.1.1 (a))

Nearside Rear Direction indicator not working (4.4.1 (a) (ii))

Rear Brake pad(s) less than 1.0 mm thick (1.1.13 (a))

Front Headlamp aim too high (4.1.2 (a))

Triumph S reliability and MOT data