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Daihatsu Sirion vs Daihatsu Treviv: reliability comparison

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

Daihatsu Sirion
77%
MOT pass rate · 16,687 vehicles
Daihatsu Treviv
57%
MOT pass rate · 1 vehicles
Verdict: On MOT pass rate the Daihatsu Sirion (77%) and Daihatsu Treviv (57%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Daihatsu Sirion Daihatsu Treviv
MOT pass rate 77% ✓ 57%
MOT failure rate 23% ✓ 43%
Faults & advisories per test 1.8 ✓ 2.9
Dangerous-fault share 1% 0% ✓
Average mileage 80,054 mi 88,674 mi
Sample size (vehicles) 16,687 1

Most common faults

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)

Daihatsu Treviv

  1. Nearside Front Anti-roll bar linkage has slight play in a ball joint (2.4.G.2)
  2. Nearside Front Suspension arm corroded but not seriously weakened Wishbone (2.4.G.1)
  3. Offside Front Anti-roll bar linkage has slight play in a ball joint (2.4.G.2)
  4. Offside Front Suspension arm corroded but not seriously weakened Wishbone (2.4.G.1)
  5. Nearside Front Anti-roll bar linkage ball joint has slight play (5.3.4 (a) (i))
  6. Nearside Front Suspension arm corroded but not seriously weakened (5.3.3 (b) (i))

Reliability FAQ

On MOT pass rate the Daihatsu Sirion (77%) and Daihatsu Treviv (57%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Daihatsu Sirion report Full Daihatsu Treviv 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.