The Powertrain of the Lexus RX are as follow:
| Variants | 2019 Lexus RX 300 | 2019 Lexus RX 300 Luxury | 2019 Lexus RX 300 F Sport |
| Capacity (L) | 2.0L | 2.0L | 2.0L |
| Aspiration Form | Turbo | Turbocharged | Turbocharged |
| Cylinder Arrangement | In-line | inline | inline |
| Number of Cylinders | 4 | 4 | 4 |
| Compression Ratio | 10:1 | 1899-12-31 10:01:00 | 1899-12-31 10:01:00 |
| Valvetrain | Dual | Dual | |
| Timing Type | Dual VVT-iw | Dual VVT-iw | |
| Horsepower (PS) | 238 | 238 | 238 |
| Rpm at Max Hp | 4800 rpm | 4800 | 4800 |
| Torque(Nm) | 350 | 350 | 350 |
| Rpm at Max torque | 1650 rpm | 1650 | 1650 |
| Top Speed (km/h) | 200 km/h | 200 | 200 |
| Fuel | Petrol | Petrol |
