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Fiat 500 vs Fiat Auto-trail v line 670 s s-a: reliability comparison

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

Fiat 500
77%
MOT pass rate · 333,596 vehicles
Fiat Auto-trail v line 670 s s-a
89%
MOT pass rate · 11 vehicles
Verdict: On MOT pass rate the Fiat 500 (77%) and Fiat Auto-trail v line 670 s s-a (89%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Fiat 500 Fiat Auto-trail v line 670 s s-a
MOT pass rate 77% 89% ✓
MOT failure rate 23% 11% ✓
Faults & advisories per test 2.0 0.3 ✓
Dangerous-fault share 3% 0% ✓
Average mileage 62,906 mi 21,546 mi
Sample size (vehicles) 333,596 11

Most common faults

Fiat 500

  1. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  2. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  3. Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
  4. Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))
  5. Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
  6. Nearside Rear Coil spring corroded (5.3.1 (b) (i))

Fiat Auto-trail v line 670 s s-a

  1. Central Front Items removed from driver's view prior to test satnav
  2. Rear Towball/hitch not fitted at time of test
  3. Headlamp aim too high both (4.1.2 (a))
  4. Nearside Front Tyre has a cut but not deep enough to reach the ply or cords (5.2.3 (d) (i))
  5. Front Horn sound not in accordance with requirements (7.7 (c))
  6. Front Service brake fluctuating, but not excessively (1.2.1 (e))

Reliability FAQ

On MOT pass rate the Fiat 500 (77%) and Fiat Auto-trail v line 670 s s-a (89%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Fiat 500 report Full Fiat Auto-trail v line 670 s s-a 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.