Audi APT, Engine
| Engine capacity | 1,781 cm³ |
| Maximum power (range), hp | 125 |
| Maximum torque, N*m (kg*m) at rpm. | 168 (17) / 3500 |
| Fuel used | Premium gasoline (AI-98) |
| Fuel consumption, l/100 km | 8.9 |
| Engine type | In-line, 4-cylinder |
| Additional engine information | electronic fuel injection system |
| Maximum power, hp (kW) at rpm | 125 (92) / 5800 |
| Compression Ratio (Range) | 10.3 |
| Cylinder diameter (range), mm | 81 |
| Piston stroke (range), mm | 86.4 |
| Mechanism for changing cylinder volume | |
| Valve drive | DOHC |
| Number of valves per cylinder (range) | 5 |
| Start-stop system |