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Saab 9-3 aero ttid vs Saab 900: reliability comparison

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

Saab 9-3 aero ttid
78%
MOT pass rate · 175 vehicles
More reliable
Saab 900
68%
MOT pass rate · 45,350 vehicles
Verdict: On MOT pass rate, the Saab 9-3 aero ttid is the more reliable of the two — 78% pass first time versus 68%. It's one signal among several; check the full breakdown below.

Head to head

Measure Saab 9-3 aero ttid Saab 900
MOT pass rate 78% ✓ 68%
MOT failure rate 22% ✓ 32%
Faults & advisories per test 1.4 ✓ 2.2
Dangerous-fault share 2% 0% ✓
Average mileage 146,040 mi 134,931 mi
Sample size (vehicles) 175 45,350

Most common faults

Saab 9-3 aero ttid

  1. Offside Front Tyre worn close to the legal limit (4.1.E.1)
  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. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  5. Oil leak, but not excessive (8.4.1 (a) (i))
  6. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Saab 900

  1. Oil leak
  2. Nearside Front Tyre worn close to the legal limit (4.1.E.1)
  3. Parking brake: efficiency below requirements (3.7.B.7)
  4. Offside Front Tyre worn close to the legal limit (4.1.E.1)
  5. Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
  6. Offside Rear Tyre worn close to the legal limit (4.1.E.1)

Reliability FAQ

On MOT pass rate, the Saab 9-3 aero ttid is the more reliable of the two — 78% pass first time versus 68%. It's one signal among several; check the full breakdown below.

Full Saab 9-3 aero ttid report Full Saab 900 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.