The pass rate is the MOT first-time pass: a roadworthiness check of the items an MOT covers (brakes, lights, tyres, steering, structure, emissions), not a full mechanical inspection of engine or gearbox internals. It is a reliability signal, not a complete measure of mechanical reliability. What this measures.
“vs expected” adjusts for age, mileage and test class, so a cherished classic and a hard-used commuter are compared fairly. How this works.
Pass rate over time
The AN 400 AM2's first-time pass rate has held steady since 2024 (97.8% → 96.8%).
What fails on a AN 400 AM2
| Component group | Share of defects | Defects | % of defects |
|---|---|---|---|
| brakes |
|
7 | 87.5 |
| structure and attachments |
|
1 | 12.5 |
Defects recorded against failed normal tests, 2005–2025, grouped by DVSA inspection section. One test can record multiple defects.
How rivals compare
On first-time pass rate the AN 400 AM2 beats 4 of its 4 closest rivals (KAWASAKI ER5, SUZUKI GS500, SUZUKI AN400).
Rivals share this bike's type and sit within ±30% of its engine capacity, ≥ 5,000 tests. Card colour = better/worse first-time pass rate than the AN 400 AM2.
Compare with any bike
More SUZUKI models
Pass rate by registration year
Best year to buy used: 2022 (97.3% pass). Weakest: 2021 (96.6%).
First-time pass rate by the year each bike was first registered (cohorts with ≥ 50 tests). Older cohorts are survivors: the worst examples have already left the road, which tends to lift the earliest years.
Embed this bike
Free to embed on your site, blog or forum — a live Suzuki An 400 AM2 reliability card that stays up to date and links back here. More on the free API page.