Triumph Speed Triple 955I Reliability, MOT Pass Rate & Common Faults
Free Triumph Speed Triple 955I car check
Is the Triumph Speed Triple 955I reliable? We analysed 14,779 real MOT tests across 1,024 vehicles to find out.
Got a specific Triumph Speed Triple 955I? Enter the reg for a free check:
The Triumph Speed Triple 955I is above average for reliability based on real UK MOT data. Common problems include tyre tread depth is below minimum requirements of 1.0mm, brake pad(s) less than 1.5 mm thick and stop lamp does not illuminate immediately a brake applies. Here's everything you need to know before buying a used Triumph Speed Triple 955I.
Triumph Speed Triple 955I Number Plates
Number plates registered to a Triumph Speed Triple 955I. Click on any registration for full vehicle details — including MOT history, mileage records, previous owners and damage history.
Triumph Speed Triple 955I MOT Pass Rate by Year
How likely is a Triumph Speed Triple 955I to pass its MOT? Here's the pass rate for each registration year, newest first.
Triumph Speed Triple 955I Problems — What Goes Wrong?
The most common reasons a Triumph Speed Triple 955I fails its MOT, ranked by how often they occur. Check for these problems before you buy.
Triumph Speed Triple 955I Common Faults & Problems
These are the most common serious faults found on Triumph Speed Triple 955I models during MOT testing — flagged as dangerous or major failures that need immediate attention.
Triumph Speed Triple 955I Mileage — What's Normal?
How many miles does a typical Triumph Speed Triple 955I owner drive per year? Use this to check if a car you're looking at has suspiciously low or high mileage.
Triumph Speed Triple 955I MOT Data by Registration Year
Full breakdown of pass rate and mileage for each year. Use this to compare the Triumph Speed Triple 955I year you're looking at.
| Year | Tests | Pass Rate | Low Mi. | Typical Mi. | High Mi. |
|---|---|---|---|---|---|
| 2005 | 551 | 88.7% | 9,505 | 14,846 | 20,053 |
| 2004 | 2,800 | 87.6% | 10,194 | 16,563 | 24,338 |
| 2003 | 2,634 | 87.8% | 10,573 | 17,032 | 25,369 |
| 2002 | 2,462 | 87.3% | 9,785 | 16,446 | 24,762 |
| 2001 | 2,190 | 86.0% | 11,740 | 19,365 | 27,762 |
| 2000 | 1,901 | 84.8% | 13,866 | 21,377 | 29,230 |
| 1999 | 1,860 | 84.0% | 14,280 | 21,238 | 28,499 |
| 1998 | 257 | 88.7% | 12,667 | 18,583 | 24,652 |
How Long Does a Triumph Speed Triple 955I Last?
Based on 1,024 Triumph Speed Triple 955I vehicles on UK roads.
Triumph Speed Triple 955I Mileage Distribution
Total mileage recorded across all Triumph Speed Triple 955I 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 Speed Triple 955I
Based on MOT pass rates across all registration years with sufficient test data.
88.7% MOT pass rate from 257 tests
84.0% MOT pass rate from 1,860 tests
The best year to buy a used Triumph Speed Triple 955I is 1998, which has the highest MOT pass rate at 88.7% across 257 tests. The 1999 model year has the lowest pass rate at 84.0% — if you're looking at one from that year, budget for potential repairs and get a thorough pre-purchase inspection.
How Does the Triumph Speed Triple 955I Compare?
MOT pass rates compared to similar models. Click any model for the full breakdown.
| Model | Pass Rate | Tests | Typical Mileage | Lifespan |
|---|---|---|---|---|
| Triumph Speed Triple 955I THIS CAR | 86.6% | 14,779 | 18,136 mi | 28 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 |
| Mitsubishi Gto | 69.8% | 16,279 | 100,295 mi | 36 yrs |
Compared to the Triumph Bonneville (90.1% pass rate) and the Triumph Tiger (90.6% pass rate), the Triumph Speed Triple 955I trails behind on MOT reliability.
Found a Triumph Speed Triple 955I 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 Speed Triple 955IShould you buy a used Triumph Speed Triple 955I?
The Triumph Speed Triple 955I has an overall MOT pass rate of 86.6% across 14,779 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 Speed Triple 955I are tyre tread depth is below minimum requirements of 1.0mm (199 recorded failures), brake pad(s) less than 1.5 mm thick (98), and stop lamp does not illuminate immediately a brake applies (65). 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.
On the safety side, the most frequently flagged dangerous fault is tyre tread depth is below minimum requirements of 1.0mm. Dangerous faults cause an immediate MOT failure and mean the vehicle is not roadworthy until repaired. If you're viewing a Triumph Speed Triple 955I with an expired or recently passed MOT, ask the seller whether any dangerous faults were found and fixed during the last test.
A typical Triumph Speed Triple 955I owner drives around 724 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 Speed Triple 955I models stay on UK roads for around 28 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.