HARLEY-DAVIDSON XLH 883 vs TRIUMPH BONNEVILLE T 100 (865)

The TRIUMPH BONNEVILLE T 100 (865) passes its MOT first time more often than the HARLEY-DAVIDSON XLH 883 — 89.6% vs 87.4%, a 2.2-point lead.

MOT reliability, side by side

first-time pass rate, outright fail rate and tests analysed · 2005–2025

Metric	HARLEY-DAVIDSON XLH 883	TRIUMPH BONNEVILLE T 100 (865)
First-time pass rate	87.4%	89.6%
Outright fail rate	5.9%	4.5%
Median miles at test	10,350	7,832
MOT tests analysed	41,183	16,221
Most common failure	lighting and signalling	brakes

First-time outcomes on normal tests, 2005–2025. "Most common failure" is the component group with the most recorded defects on failed tests. Read pass rates against test counts: a smaller sample is noisier. Source: DVSA anonymised MOT results.

HARLEY-DAVIDSON XLH 883 87.4% pass · 41.2k tests TRIUMPH BONNEVILLE T 100 (865) 89.6% pass · 16.2k tests

See each bike's full report — trend, mileage curve, failure breakdown and rivals — on its own page.