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Suzuki Alto vs Suzuki Unknown: reliability comparison

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

Suzuki Alto
74%
MOT pass rate · 84,396 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 74%. It's one signal among several; check the full breakdown below.

Head to head

Measure Suzuki Alto Suzuki Unknown
MOT pass rate 74% 84% ✓
MOT failure rate 26% 16% ✓
Faults & advisories per test 2.1 0.8 ✓
Dangerous-fault share 2% ✓ 4%
Average mileage 68,875 mi 20,498 mi
Sample size (vehicles) 84,396 512,746

Most common faults

Suzuki Alto

  1. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  2. Nearside Front Tyre worn close to the legal limit (4.1.E.1)
  3. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  4. Offside Front Tyre worn close to the legal limit (4.1.E.1)
  5. Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
  6. Offside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c))

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 74%. It's one signal among several; check the full breakdown below.

Full Suzuki Alto 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.