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Daihatsu Grand cargo vs Daihatsu Sirion: reliability comparison

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

Daihatsu Grand cargo
78%
MOT pass rate · 1 vehicles
Daihatsu Sirion
77%
MOT pass rate · 16,687 vehicles
Verdict: On MOT pass rate the Daihatsu Grand cargo (78%) and Daihatsu Sirion (77%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Daihatsu Grand cargo Daihatsu Sirion
MOT pass rate 78% ✓ 77%
MOT failure rate 22% ✓ 23%
Faults & advisories per test 1.4 ✓ 1.8
Dangerous-fault share 0% ✓ 1%
Average mileage 153,657 mi 80,054 mi
Sample size (vehicles) 1 16,687

Most common faults

Daihatsu Grand cargo

  1. Brake pipe corroded, covered in grease or other material All Brake Pipes (1.1.11 (c))
  2. Nearside Rear Suspension component mounting repair covered in underseal (5.3.6 (a) (i))
  3. Offside Rear Suspension component mounting repair covered in underseal (5.3.6 (a) (i))
  4. Nearside Front Windscreen wiper does not clear the windscreen effectively (8.2.2)
  5. Offside Front Windscreen wiper blade insecure (8.2.2)
  6. n/s wiper blade has slight split on extreme end

Daihatsu Sirion

  1. Nearside Front Tyre worn close to the legal limit (4.1.E.1)
  2. Offside Front Tyre worn close to the legal limit (4.1.E.1)
  3. Front Brake pad(s) wearing thin (3.5.1g)
  4. Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
  5. Offside Rear Brake pipe corroded, covered in grease or other material (1.1.11 (c))
  6. Front brake disc worn, pitted or scored, but not seriously weakened (3.5.1i)

Reliability FAQ

On MOT pass rate the Daihatsu Grand cargo (78%) and Daihatsu Sirion (77%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Daihatsu Grand cargo report Full Daihatsu Sirion 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.