Lexus RX Specs

The Lexus RX 450h, which went on sale in mid-2009, is equipped with a 3.5-liter 2GR-FXE V6 engine, now running on the Atkinson cycle, which produces 245 hp; by incorporating a more powerful inverter and electric motors, total horsepower reaches 295 hp. Two additional systems are added to the RX 450h's Lexus Hybrid Drive powertrain, an exhaust-heat recovery system to reduce engine warm-up periods