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Honda Sj 100 vs Honda Unknown: reliability comparison

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

Honda Sj 100
82%
MOT pass rate · 378 vehicles
Honda Unknown
85%
MOT pass rate · 1,041,859 vehicles
Verdict: On MOT pass rate the Honda Sj 100 (82%) and Honda Unknown (85%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Honda Sj 100 Honda Unknown
MOT pass rate 82% 85% ✓
MOT failure rate 18% 15% ✓
Faults & advisories per test 0.4 ✓ 0.9
Dangerous-fault share 0% ✓ 3%
Average mileage 13,122 mi 25,474 mi
Sample size (vehicles) 378 1,041,859

Most common faults

Honda Sj 100

  1. Rear Tyre worn close to the legal limit (4.1.3(ii))
  2. Rear Tyre tread depth is below minimum requirements of 1.0mm (4.1.3(ii))
  3. Front Brake pad(s) close to minimum limit (3.2.A1f(i))
  4. Front Brake pad(s) less than 1.5 mm thick (3.2.A1f(i))
  5. Front Tyre tread depth is below minimum requirements of 1.0mm (4.1.3(ii))
  6. Headlamp aim too high (1.6)

Honda 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. Drive chain slightly loose (6.1.7 (c) (i))
  6. Front Brake binding but not excessively (1.2.1 (f))

Reliability FAQ

On MOT pass rate the Honda Sj 100 (82%) and Honda Unknown (85%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Honda Sj 100 report Full Honda 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.