CarVerify

Triumph Bonneville T 100 (865) Reliability, MOT Pass Rate & Common Faults

Free Triumph Bonneville T 100 (865) car check

Is the Triumph Bonneville T 100 (865) reliable? We analysed 19,432 real MOT tests across 1,655 vehicles to find out.

Got a specific Triumph Bonneville T 100 (865)? Enter the reg for a free check:

Free basic check Reports from £4.99 Results in seconds
Data last updated: · Based on 19,432 real MOT tests
MOT Pass Rate
90.6%
Typical Mileage
8,156mi
Annual Mileage
511mi/yr
Est. Lifespan
22yrs

The Triumph Bonneville T 100 (865) 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 roller brake test indicates a binding brake. Here's everything you need to know before buying a used Triumph Bonneville T 100 (865).

Triumph Bonneville T 100 (865) Number Plates

Number plates registered to a Triumph Bonneville T 100 (865). Click on any registration for full vehicle details — including MOT history, mileage records, previous owners and damage history.

Triumph Bonneville T 100 (865) MOT Pass Rate by Year

How likely is a Triumph Bonneville T 100 (865) to pass its MOT? Here's the pass rate for each registration year, newest first.

93.3%
2013
91.2%
2012
89.9%
2011
90.5%
2010
90.6%
2009
91.7%
2008
91.4%
2007
90%
2006
89%
2005
87.6%
2004

Triumph Bonneville T 100 (865) Problems — What Goes Wrong?

The most common reasons a Triumph Bonneville T 100 (865) fails its MOT, ranked by how often they occur. Check for these problems before you buy.

Tyre tread depth is below minimum requirements of 1.0mm 82
Brake pad(s) less than 1.5 mm thick 73
Roller brake test indicates a binding brake 48
Exhaust markings indicating not for road use or similar wording 48
Roller brake test indicates excessive fluctuation of brake effort 26
Stop lamp does not illuminate immediately a brake applies 21

Triumph Bonneville T 100 (865) Common Faults & Problems

These are the most common serious faults found on Triumph Bonneville T 100 (865) models during MOT testing — flagged as dangerous or major failures that need immediate attention.

Tyre tread depth is below minimum requirements of 1.0mm 53
Brake pad(s) less than 1.0 mm thick 48

Triumph Bonneville T 100 (865) Mileage — What's Normal?

How many miles does a typical Triumph Bonneville T 100 (865) owner drive per year? Use this to check if a car you're looking at has suspiciously low or high mileage.

Low usage
174 mi/yr
Typical
511 mi/yr
Average
977 mi/yr
Heavy usage
1,229 mi/yr

Triumph Bonneville T 100 (865) MOT Data by Registration Year

Full breakdown of pass rate and mileage for each year. Use this to compare the Triumph Bonneville T 100 (865) year you're looking at.

Year Tests Pass Rate Low Mi. Typical Mi. High Mi.
2013 920 93.3% 4,098 7,625 12,304
2012 1,752 91.2% 3,906 7,081 12,185
2011 1,886 89.9% 3,826 6,748 11,228
2010 1,725 90.5% 3,913 7,538 13,504
2009 1,817 90.6% 3,904 7,177 12,147
2008 2,211 91.7% 3,922 7,714 14,314
2007 2,272 91.4% 4,544 8,612 14,715
2006 2,971 90.0% 5,365 9,185 16,031
2005 3,264 89.0% 5,129 10,191 16,508
2004 267 87.6% 4,594 8,329 17,161

How Long Does a Triumph Bonneville T 100 (865) Last?

Based on 1,655 Triumph Bonneville T 100 (865) vehicles on UK roads.

Average
14.3 years
Median
15.0 years
Estimated max lifespan
22 years

Triumph Bonneville T 100 (865) Mileage Distribution

Total mileage recorded across all Triumph Bonneville T 100 (865) MOT tests. If the car you're looking at is above the 75th percentile, it's done more miles than most.

Median
8,156 mi
75th Percentile
14,180 mi
95th Percentile
29,846 mi
Max Recorded
458,291 mi

Best Year to Buy a Used Triumph Bonneville T 100 (865)

Based on MOT pass rates across all registration years with sufficient test data.

Best year
2013

93.3% MOT pass rate from 920 tests

Year to avoid
2004

87.6% MOT pass rate from 267 tests

The best year to buy a used Triumph Bonneville T 100 (865) is 2013, which has the highest MOT pass rate at 93.3% across 920 tests. The 2004 model year has the lowest pass rate at 87.6% — if you're looking at one from that year, budget for potential repairs and get a thorough pre-purchase inspection.

How Does the Triumph Bonneville T 100 (865) Compare?

MOT pass rates compared to similar models. Click any model for the full breakdown.

Model Pass Rate Tests Typical Mileage Lifespan
Triumph Bonneville T 100 (865) THIS CAR 90.6% 19,432 8,156 mi 22 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
Peugeot 208 GT Line Puretech S/s Auto 89% 6,997 22,650 mi — yrs

Compared to the Triumph Bonneville (90.1% pass rate) and the Triumph Tiger (90.6% pass rate), the Triumph Bonneville T 100 (865) sits in the middle of the pack on MOT reliability.

Found a Triumph Bonneville T 100 (865) 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 Bonneville T 100 (865)

Should you buy a used Triumph Bonneville T 100 (865)?

The Triumph Bonneville T 100 (865) has an overall MOT pass rate of 90.6% across 19,432 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 Bonneville T 100 (865) are tyre tread depth is below minimum requirements of 1.0mm (82 recorded failures), brake pad(s) less than 1.5 mm thick (73), and roller brake test indicates a binding brake (48). 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 Bonneville T 100 (865) 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 Bonneville T 100 (865) owner drives around 511 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 Bonneville T 100 (865) models stay on UK roads for around 22 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.

Triumph Bonneville T 100 (865) — Frequently Asked Questions

Is the Triumph Bonneville T 100 (865) reliable?
Based on 19,432 MOT tests, the Triumph Bonneville T 100 (865) has a 90.6% pass rate — above the UK average, suggesting good reliability.
What are the common problems on a Triumph Bonneville T 100 (865)?
The most common MOT failures are tyre tread depth is below minimum requirements of 1.0mm, brake pad(s) less than 1.5 mm thick, and roller brake test indicates a binding brake. Check these on any test drive.
How many miles does a Triumph Bonneville T 100 (865) do per year?
The typical Triumph Bonneville T 100 (865) does around 511 miles per year. Anything significantly above or below this is worth investigating.
How long does a Triumph Bonneville T 100 (865) last?
Most Triumph Bonneville T 100 (865) models stay on UK roads for around 22 years based on our analysis of 1,655 vehicles.
Should I get a vehicle check before buying a Triumph Bonneville T 100 (865)?
Yes. An MOT pass rate tells you about the model in general, but a vehicle history check reveals the specific car's finance, stolen, write-off and mileage history — things the seller may not disclose.
What is the best year to buy a Triumph Bonneville T 100 (865)?
Based on MOT pass rates, the best year to buy a used Triumph Bonneville T 100 (865) is 2013 with a 93.3% pass rate across 920 tests.