A machine with moving parts that converts power into motion. Size stated in liters. Further engine characteristics are identified using the following characters.
| Code | Description |
| T | Turbo |
| D | Diesel |
| R | Rotary |
| S | Supercharged |
| F | Flex Fuel |
| C | Compressed Natural Gas |
| H | Hybrid |
Examples
| Last Number | Number of Cylinders |
| 2.0-4 | 2.0 liter displacement, 4 cylinder engine. |
| 1.6-D4 | 1.6 Liter Displacement, Diesel, 4 Cylinder Engine |
| 3.0-T6 | 3.0 liter displacement, fuel injected, turbocharged, 6 cylinder engine. |
| 3.8-S6 | 3.8 liter displacement, fuel injected, supercharged, 6 cylinder engine. |