In 1998 Lexus launched the RX, a crossover between a luxury sedan and a light SUV. Its design has changed substantially over the years, taking on elements from sports cars and luxury models. We test the latest RX model, the 450h hybrid. It has a new, highly efficient and powerful 3.5 liter V6 direct injection engine.Together with it's electric motors the car has an output of 230 kW. Plus: the control over the rear electric motor was reworked to improve performance when accelerating in curves.