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Saab 9-3 aero ttid auto vs Saab 99 gl: reliability comparison

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

Saab 9-3 aero ttid auto
79%
MOT pass rate · 56 vehicles
Saab 99 gl
56%
MOT pass rate · 15,388 vehicles
Verdict: On MOT pass rate the Saab 9-3 aero ttid auto (79%) and Saab 99 gl (56%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Saab 9-3 aero ttid auto Saab 99 gl
MOT pass rate 79% ✓ 56%
MOT failure rate 21% ✓ 44%
Faults & advisories per test 1.1 ✓ 3.0
Dangerous-fault share 3% 0% ✓
Average mileage 134,864 mi 135,154 mi
Sample size (vehicles) 56 15,388

Most common faults

Saab 9-3 aero ttid auto

  1. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  2. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  3. Oil leak, but not excessive (8.4.1 (a) (i))
  4. Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))
  5. Offside Front 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)

Saab 99 gl

  1. Parking brake: efficiency below requirements (3.7.B.7)
  2. Exhaust emissions carbon monoxide content excessive (7.3.B.1a)
  3. Nearside Rear Suspension component mounting prescribed area is excessively corroded (2.4.A.3)
  4. Offside Rear Suspension component mounting prescribed area is excessively corroded (2.4.A.3)
  5. Offside Rear fog lamp not working (1.3.2b)
  6. Parking brake lever has no reserve travel (3.1.6b)

Reliability FAQ

On MOT pass rate the Saab 9-3 aero ttid auto (79%) and Saab 99 gl (56%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Saab 9-3 aero ttid auto report Full Saab 99 gl 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.