Lexus has sold more than 2 million RXs worldwide, making the RX the best-selling model in the company's 26-year history. It comes in 2-liter gasoline and hybrid variants.We tested the sporty, elegant SUV with hybrid drive. The RX450h's electric motor combined with a V6 gasoline engine gives the luxury SUV a total of 230 kW -- enough, despite the car weighing more than 2 tons, to accelerate to 100 km/h in just 7.7 seconds. Thanks to its electric motor, it consumes only 5.3 liters per 100 km.