SUZUKI AN 400 K7

400cc Petrol Class 2

#3073 of 5426 overall #399 of 680 SUZUKIs #1951 of 2787 other bikes

82.5%

first-time pass rate

12.3%

failed outright

16,743

median miles at test

1,419

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2009–2025

The AN 400 K7's first-time pass rate has fallen 4.6 points since 2009, 87.5% to 82.9%.

Pass rate by mileage

how the AN 400 K7's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage AN 400 K7 passes first time 92.9% of the time; by 40k that's 76.3%.

First-time pass rate by odometer reading at test, 10,000-mile bands for this model. Mileage is the strongest reliability signal. See the full curve.

What fails on a AN 400 K7

failure defects by component group · advisories excluded

Component group	Defects	% of defects	vs all bikes
brakes	167	47	1.9×
steering and suspension	52	14.6	1.0×
tyres and wheels	29	8.2	1.0×
fuel and exhaust	23	6.5	1.9×
lighting and signalling	21	5.9	0.3×
lamps and reflectors	20	5.6	0.7×
tyres	15	4.2	1.2×
suspension	14	3.9	1.1×
steering	7	2	1.2×
structure and attachments	7	2	0.5×

Defects recorded against failed normal tests, 2005–2025, grouped by DVSA inspection section. One test can record multiple defects. "vs all bikes" is how often this model's tests record a defect in the group, as a multiple of the all-bike rate.

How rivals compare

same type, similar capacity, high test volume

On first-time pass rate the AN 400 K7 beats 3 of its 4 closest rivals (KAWASAKI ER5, SUZUKI GS500, SUZUKI AN400).

KAWASAKI ER5 77.4% pass · 53.1k tests SUZUKI GS500 76.4% pass · 44.9k tests SUZUKI AN400 86.2% pass · 27.1k tests SUZUKI DR-Z400S 80.4% pass · 26.8k tests

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 K7.

Pass rate by registration year

how each model-year cohort fares · registration year from first use date

Best year to buy used: 2007 (83.9% pass). Weakest: 2006 (79.9%).

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.

SUZUKI AN 400 K7 FAQ

answers computed from the data above · terms in the glossary

Is the SUZUKI AN 400 K7 reliable?

The SUZUKI AN 400 K7 is less reliable than average for its class: 82.5% of its 1,419 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #3073 of 5426 models.

What does a AN 400 K7 fail its MOT on most?

brakes — 47% of all defects recorded against failed AN 400 K7 tests.

What is the best year of AN 400 K7 to buy used?

By first-time pass rate, 2007-registered examples do best (83.9%) and 2006 worst (79.9%). Condition and history still trump the year.

How many miles will a AN 400 K7 last?

The median AN 400 K7 shows 16,743 miles at test, and examples around 40k miles still pass 76.3% of the time — mileage alone rarely kills one.