Saab 9000 aero auto vs Saab 99 gl: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Saab 9000 aero auto
68%
MOT pass rate · 114 vehicles
Saab 99 gl
56%
MOT pass rate · 15,388 vehicles
Verdict: On MOT pass rate the Saab 9000 aero auto (68%) 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 9000 aero auto | Saab 99 gl |
|---|---|---|
| MOT pass rate | 68% ✓ | 56% |
| MOT failure rate | 32% ✓ | 44% |
| Faults & advisories per test | 2.1 ✓ | 3.0 |
| Dangerous-fault share | 0% | 0% |
| Average mileage | 159,689 mi | 135,154 mi |
| Sample size (vehicles) | 114 | 15,388 |
Most common faults
Saab 9000 aero auto
- Nearside Front Tyre worn close to the legal limit (4.1.E.1)
- Parking brake: efficiency below requirements (3.7.B.7)
- Offside Front Tyre worn close to the legal limit (4.1.E.1)
- Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
- Anti-lock braking system warning lamp indicates an ABS fault (3.4.1c)
- Parking brake lever has no reserve travel (3.1.6b)
Saab 99 gl
- Parking brake: efficiency below requirements (3.7.B.7)
- Exhaust emissions carbon monoxide content excessive (7.3.B.1a)
- Nearside Rear Suspension component mounting prescribed area is excessively corroded (2.4.A.3)
- Offside Rear Suspension component mounting prescribed area is excessively corroded (2.4.A.3)
- Offside Rear fog lamp not working (1.3.2b)
- Parking brake lever has no reserve travel (3.1.6b)
Reliability FAQ
On MOT pass rate the Saab 9000 aero auto (68%) and Saab 99 gl (56%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Saab 9000 aero 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.