Triumph T100SS Reliability, MOT Pass Rate & Common Faults
Free Triumph T100SS car check
Is the Triumph T100SS reliable? We analysed 653 real MOT tests across 113 vehicles to find out.
Got a specific Triumph T100SS? Enter the reg for a free check:
The Triumph T100SS is above average for reliability based on real UK MOT data. Common problems include shock absorber has inadequate damping effect., throttle operating incorrectly and suspension has inadequate damping effect.. Here's everything you need to know before buying a used Triumph T100SS.
Triumph T100SS Number Plates
Number plates registered to a Triumph T100SS. Click on any registration for full vehicle details — including MOT history, mileage records, previous owners and damage history.
Triumph T100SS MOT Pass Rate by Year
How likely is a Triumph T100SS to pass its MOT? Here's the pass rate for each registration year, newest first.
Triumph T100SS Problems — What Goes Wrong?
The most common reasons a Triumph T100SS fails its MOT, ranked by how often they occur. Check for these problems before you buy.
Triumph T100SS Mileage — What's Normal?
How many miles does a typical Triumph T100SS owner drive per year? Use this to check if a car you're looking at has suspiciously low or high mileage.
Triumph T100SS MOT Data by Registration Year
Full breakdown of pass rate and mileage for each year. Use this to compare the Triumph T100SS year you're looking at.
| Year | Tests | Pass Rate | Low Mi. | Typical Mi. | High Mi. |
|---|---|---|---|---|---|
| 1969 | 51 | 90.2% | 2,365 | 17,580 | 18,652 |
| 1967 | 95 | 84.2% | 3,675 | 9,870 | 24,225 |
| 1966 | 134 | 95.5% | 6,025 | 11,524 | 26,990 |
| 1965 | 95 | 96.8% | 4,281 | 18,366 | 34,582 |
| 1963 | 50 | 90.0% | 2,056 | 11,140 | 24,058 |
| 1962 | 57 | 96.5% | 5,247 | 12,696 | 54,264 |
How Long Does a Triumph T100SS Last?
Based on 113 Triumph T100SS vehicles on UK roads.
Triumph T100SS Mileage Distribution
Total mileage recorded across all Triumph T100SS MOT tests. If the car you're looking at is above the 75th percentile, it's done more miles than most.
Best Year to Buy a Used Triumph T100SS
Based on MOT pass rates across all registration years with sufficient test data.
96.8% MOT pass rate from 95 tests
84.2% MOT pass rate from 95 tests
The best year to buy a used Triumph T100SS is 1965, which has the highest MOT pass rate at 96.8% across 95 tests. The 1967 model year has the lowest pass rate at 84.2% — if you're looking at one from that year, budget for potential repairs and get a thorough pre-purchase inspection.
How Does the Triumph T100SS Compare?
MOT pass rates compared to similar models. Click any model for the full breakdown.
| Model | Pass Rate | Tests | Typical Mileage | Lifespan |
|---|---|---|---|---|
| Triumph T100SS THIS CAR | 92.5% | 653 | 12,209 mi | 64 yrs |
| Triumph Bonneville | 90.1% | 235,206 | 7,823 mi | 53 yrs |
| Triumph Tiger | 90.6% | 196,853 | 17,026 mi | 32 yrs |
| Triumph Sprint | 87.3% | 158,613 | 21,242 mi | 33 yrs |
| Motor Hispania Furia 50 | 61.7% | 705 | 9,931 mi | 25 yrs |
Compared to the Triumph Bonneville (90.1% pass rate) and the Triumph Tiger (90.6% pass rate), the Triumph T100SS outperforms both on MOT reliability.
Found a Triumph T100SS you like?
Run a full vehicle history check on the specific car. See finance, stolen, write-off, mileage and MOT data for that exact vehicle.
Check a specific Triumph T100SSShould you buy a used Triumph T100SS?
The Triumph T100SS has an overall MOT pass rate of 92.5% across 653 real MOT tests — comfortably above the UK average, which puts it among the more reliable models on UK roads.
The most common problems on the Triumph T100SS are shock absorber has inadequate damping effect. (3 recorded failures), throttle operating incorrectly (2), and suspension has inadequate damping effect. (2). These are the faults most likely to cause an MOT failure on this model, so check for them carefully on any test drive or pre-purchase inspection. Many are wear-and-tear items that can be budgeted for, but a car that's already failing on multiple fronts may signal neglected maintenance.
A typical Triumph T100SS owner drives around 141 miles per year. If the car you're looking at is significantly above this, expect more wear on suspension, brakes and tyres. If it's well below, the vehicle may have been sitting unused — check for perished rubber, corroded discs and stale fluids.
In terms of longevity, most Triumph T100SS models stay on UK roads for around 64 years — a strong showing that suggests solid build quality and readily available parts. If you're buying one that's already approaching that window, the data suggests it has plenty of life left provided it's been maintained.
Before committing to a purchase, we recommend running a full vehicle history check on the specific car. This will reveal any outstanding finance, stolen markers, write-off history and mileage discrepancies that the seller may not disclose — and that the MOT data alone can't tell you.