An Appearance Package is new for 2012, and includes 19-inch wheels and black headlamp trim. Otherwise, the RX is virtually unchanged from the 2011 model.
The RX 350 and RX 450h are categorized as full-sized luxury SUVs, and they carry the amenities and horsepower to back it up. The 450h features a hybrid drivetrain that can run on batteries alone for short distances to save fuel. The 350 does all right on its own, achieving 18 mpg city and 25 mpg highway, but the 450h really shines with 28 mpg city and 32 mpg highway.
The 350 and 450h both carry a 3.5L V6 under the hood. The 350 is rated at 275 horsepower, while the 450h can do a combined 295 horsepower, thanks to the assistance of the hybrid powertrain's electric motor. The 350 uses a conventional 6-speed transmission, but the 450h comes with a continuously variable transmission.
The 450h hybrid system includes a 288-volt battery pack that sits under...