Aprilia Atlantic 500 vs Suzuki AN400

The Suzuki AN400 passes its MOT first time more often than the Aprilia Atlantic 500 — 86.2% vs 83.9%, a 2.3-point lead.

MOT reliability, side by side

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

Metric	Aprilia Atlantic 500	Suzuki AN400
First-time pass rate	83.9%	86.2%
Outright fail rate	12.0%	9.8%
Median miles at test	11,421	15,861
MOT tests analysed	1,332	27,056
Most common failure	brakes	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.

APRILIA ATLANTIC 500 83.9% pass · 1,332 tests SUZUKI AN400 86.2% pass · 27.1k tests

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