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Suzuki Alto vs Suzuki R450: 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 R450
83%
MOT pass rate · 8 vehicles
Verdict: On MOT pass rate the Suzuki Alto (74%) and Suzuki R450 (83%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Suzuki Alto Suzuki R450
MOT pass rate 74% 83% ✓
MOT failure rate 26% 17% ✓
Faults & advisories per test 2.1 1.0 ✓
Dangerous-fault share 2% ✓ 10%
Average mileage 68,875 mi 4,924 mi
Sample size (vehicles) 84,396 8

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 R450

  1. Rear registration plate with character(s) which are not the correct height (6.3.4a)
  2. Nearside Obligatory mirror missing (3.3 (a))
  3. Exhaust noise is clearly in excess of that emitted by a similar vehicle fitted with a standard silencer in average condition (8.1.1 (a))
  4. Front Registration plate missing (0.1 (a))
  5. Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii))
  6. Offside Front wheel bearing has slight play (2.5.A.3c)

Reliability FAQ

On MOT pass rate the Suzuki Alto (74%) and Suzuki R450 (83%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Suzuki Alto report Full Suzuki R450 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.