Technical Specs for the Geo Storm.
1990-1993 Geo Storm Coupe
| Manufacturer | Displacment | Cyl | Valvetrain | Drivetrain |
| Isuzu | 1600cc | 4 | SOHC | 3auto & 5 manual |
1990-1993 Geo Storm Wagon
| Manufacturer | Displacment | Cyl | Valvetrain | Drivetrain |
| Isuzu | 1600cc | 4 | SOHC | 3 automatic |
1990-1993 Geo Storm GSi
| Manufacturer | Displacment | Cyl | Valvetrain | Drivetrain |
| Isuzu | 1600-1800cc | 4 | DOHC | 3 auto & 5 manual |