Fuel tank: 4 of 4 variants rated.
Saab 99 GL tops the Saab 99 ranking by Fuel tank, at 58 L (15.3 gal US).
| # | Variant | Year | Body | Fuel | Fuel tank |
|---|---|---|---|---|---|
| 1 | Saab 99 GL+1 | 1983 | Sedan | Petrol | 58 L (15.3 gal US) |
| 2 | Saab 99 GL+1 | 1981 | Sedan | Petrol | 58 L (15.3 gal US) |
| 3 | Saab 99 Turbo | 1978 | Sedan | Petrol | 58 L (15.3 gal US) |
| 4 | Saab 99 GL CM+1 | 1971 | Sedan | Petrol | 58 L (15.3 gal US) |