Skip to content

Suzuki Dr-z400 vs Suzuki Unknown: reliability comparison

MOT pass rates, common faults and mileage compared from real UK MOT data.

Suzuki Dr-z400
82%
MOT pass rate · 256 vehicles
Suzuki Unknown
84%
MOT pass rate · 512,746 vehicles
More reliable
Verdict: On MOT pass rate, the Suzuki Unknown is the more reliable of the two — 84% pass first time versus 82%. It's one signal among several; check the full breakdown below.

Head to head

Measure Suzuki Dr-z400 Suzuki Unknown
MOT pass rate 82% 84% ✓
MOT failure rate 18% 16% ✓
Faults & advisories per test 0.8 0.8
Dangerous-fault share 1% ✓ 4%
Average mileage 14,900 mi 20,498 mi
Sample size (vehicles) 256 512,746

Most common faults

Suzuki Dr-z400

  1. Exhaust noisy (7.1.2)
  2. Rear reflector on motorcycle missing (1.4.1)
  3. No lights fitted at time of test
  4. Front Wheel has a slightly distorted bead rim. (4.2.2)
  5. Front Brake pad(s) close to minimum limit (3.2.A1f(i))
  6. Front wheel bearings have slight free play (2.3.5b)

Suzuki Unknown

  1. Exhaust noisy (8.1.1 (a))
  2. Rear Tyre worn close to the legal limit (5.2.3 (e))
  3. Chain guard missing
  4. Rear reflector missing (4.8.2 (a) (ii))
  5. Front Brake binding but not excessively (1.2.1 (f))
  6. Nearside Front Shock absorber has a light misting of oil (5.3.2 (b))

Reliability FAQ

On MOT pass rate, the Suzuki Unknown is the more reliable of the two — 84% pass first time versus 82%. It's one signal among several; check the full breakdown below.

Full Suzuki Dr-z400 report Full Suzuki Unknown report Most reliable cars

Pass rates are computed over completed (pass/fail) MOT tests. Reliability also depends on age, mileage and upkeep — see each model's page for the full picture.