SUZUKI DRZ 400 SK4

398cc Petrol Class 2

#2909 of 5426 overall #364 of 680 SUZUKIs #1836 of 2787 other bikes

83.2%

first-time pass rate

9.1%

failed outright

7,688

median miles at test

1,214

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2007–2025

The DRZ 400 SK4's first-time pass rate has risen 5.3 points since 2007, 86.1% to 91.4%.

Pass rate by mileage

how the DRZ 400 SK4's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage DRZ 400 SK4 passes first time 86.5% of the time; by 30k that's 83.9%.

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 DRZ 400 SK4

failure defects by component group · advisories excluded

Component group	Defects	% of defects	vs all bikes
lighting and signalling	86	34.4	1.0×
brakes	48	19.2	0.8×
steering and suspension	27	10.8	0.5×
reg plates and vin	26	10.4	2.7×
tyres and wheels	19	7.6	0.7×
drive system	14	5.6	1.1×
lamps and reflectors	13	5.2	0.3×
structure and attachments	7	2.8	0.5×
driving controls	5	2	1.8×
suspension	5	2	0.4×

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 DRZ 400 SK4 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 DRZ 400 SK4.

Pass rate by registration year

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

Best year to buy used: 2004 (83.7% pass). Weakest: 2005 (78.5%).

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 DRZ 400 SK4 FAQ

answers computed from the data above · terms in the glossary

Is the SUZUKI DRZ 400 SK4 reliable?

The SUZUKI DRZ 400 SK4 is about average for its class: 83.2% of its 1,214 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #2909 of 5426 models.

What does a DRZ 400 SK4 fail its MOT on most?

lighting and signalling — 34% of all defects recorded against failed DRZ 400 SK4 tests.

How many miles will a DRZ 400 SK4 last?

The median DRZ 400 SK4 shows 7,688 miles at test, and examples around 30k miles still pass 83.9% of the time — mileage alone rarely kills one.