Standard Differentials & Rear Gear Ratios
| 280 ZX | 79 | MT, 4 Spd, 2 Seater | (3.364) | (R180) |
| 280 ZX | 79 | MT, 5 Spd, 2 Seater | (3.364) | (R180) |
| 280 ZX | 79 | Automatic | (3.545) | (R180) |
| 280 ZX | 79 | MT, 4 Spd, 4 Seater | (3.364) | (R200) |
| 280 ZX | 79 | MT, 5 Spd, 4 Seater | (3.7) | (R200) |
| 280 ZX | 79 | GL Models | (3.7) | (R200) |
| 280 ZX | 80 | MT, 2 Seater | (3.545) | (R180) |
| 280 ZX | 80 | Automatic | (3.545) | (R180) |
| 280 ZX | 80 | MT, 4 Seater | (3.9) | (R200) |
| 280 ZX | 80 | GL Models | (3.9) | (R200) |
| 280 ZX | 81-83 | Automatic - All | (3.545) | (R180) |
| 280 ZX | 81-83 | Turbo - All | (3.545) | (R200) |
| 280 ZX | 81-83 | MT, NA | (3.9) | (R200) |