Honda R18A1, Engine
| Engine capacity | 1,799 cm³ |
| Maximum power (range), hp | 140 - 143 |
| Maximum torque, N*m (kg*m) at rpm. | 174 (18) / 4300 |
| Fuel used | Gasoline AI-92 |
| Fuel consumption, l/100 km | 6.9 - 8.1 |
| Engine type | In-line, 4-cylinder |
| Additional engine information | i-VTEC, MPFI |
| Maximum power, hp (kW) at rpm | 140 (103) / 6500 |
| Compression Ratio (Range) | 10.6 |
| Cylinder diameter (range), mm | 81 |
| Piston stroke (range), mm | 87.3 |
| CO₂ emissions (range), g/km | 156 - 190 |
| Valve drive | SOHC |
| Number of valves per cylinder (range) | 2 - 4 |
| Start-stop system |