Saab 9-5 aut vs Saab 99 gl: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Saab 9-5 aut
73%
MOT pass rate · 17 vehicles
Saab 99 gl
56%
MOT pass rate · 15,388 vehicles
Verdict: On MOT pass rate the Saab 9-5 aut (73%) 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 9-5 aut | Saab 99 gl |
|---|---|---|
| MOT pass rate | 73% ✓ | 56% |
| MOT failure rate | 27% ✓ | 44% |
| Faults & advisories per test | 1.4 ✓ | 3.0 |
| Dangerous-fault share | 0% | 0% |
| Average mileage | 114,280 mi | 135,154 mi |
| Sample size (vehicles) | 17 | 15,388 |
Most common faults
Saab 9-5 aut
- Rear Exhaust has part of the system slightly deteriorated (7.1.1a)
- Rear Exhaust has a minor leak of exhaust gases (7.1.2)
- Nearside Rear Direction indicator incorrect colour (1.4.A.2f)
- Oil leak
- Nearside Rear Brake pad(s) wearing thin (3.5.1g)
- Offside Rear Brake pad(s) wearing thin (3.5.1g)
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 9-5 aut (73%) and Saab 99 gl (56%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Saab 9-5 aut 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.