Škoda 781.135, Engine
| Engine capacity | 1,289 cm³ |
| Maximum power (range), hp | 54 - 58 |
| Maximum torque, N*m (kg*m) at rpm. | 93 (9) / 3250 |
| Fuel used | Gasoline Regular (AI-92, AI-95) |
| Fuel consumption, l/100 km | 7.9 - 8 |
| Engine type | In-line, 4-cylinder |
| Additional engine information | OHV |
| Maximum power, hp (kW) at rpm | 54 (40) / 4800 |
| Compression Ratio (Range) | 8.8 |
| Cylinder diameter (range), mm | 75.5 |
| Piston stroke (range), mm | 72 |
| Number of valves per cylinder (range) | 2 |