The 2015 Lexus RX 350 luxury crossover features some modest changes. The most significant improvement to the 2015 RX 350 is the standard inclusion of Lexus Display Audio on all models. Operating from a seven-inch screen, the Lexus Display Audio on the 2015 RX 350 combines with a 12-speaker stereo set and a reverse backup camera. Other standard equipment found inside the 2015 Lexus RX 350 includes Siri Eyes Free Mode, 10-way power adjustable front seats, leather-wrapped steering wheel and dual-zone automatic climate control. A selection of nine exterior colors is featured for the 2015 Lexus RX 350 line-up. Standard wheels on the 2015 Lexus RX 350 consist of a five-spoke, 18-inch aluminum set while an optional 19-inch tri-spoke design is also available. Presented as a front-wheel drive or all-wheel drive model, the 2015 Lexus RX 350 is propelled by a 3.5 V-6 engine generating 270 horsepower. Base versions of the 2015 Lexus RX 350 has the engine mated with a six-speed automatic transmission. Also available is a 2015 Lexus RX 350 F Sport featuring exclusive styling and a smooth eight-speed automatic transmission.