DUCATI DIAVEL vs HARLEY-DAVIDSON XLH 883

The DUCATI DIAVEL passes its MOT first time more often than the HARLEY-DAVIDSON XLH 883 — 90.3% vs 87.4%, a 2.9-point lead.

MOT reliability, side by side

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

Metric	DUCATI DIAVEL	HARLEY-DAVIDSON XLH 883
First-time pass rate	90.3%	87.4%
Outright fail rate	5.4%	5.9%
Median miles at test	8,340	10,350
MOT tests analysed	8,740	41,183
Most common failure	lamps and reflectors	lighting and signalling

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.

DUCATI DIAVEL 90.3% pass · 8,740 tests HARLEY-DAVIDSON XLH 883 87.4% pass · 41.2k tests

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