Arguably the first SUV that put the emphasis on "Sport", the BMW X5 is now in its second generation. The X5 has grown large enough to add an optional third row seat. Engine choices include a 260-bhp 3.0L inline-6 (X5 3.0si) or a 350-bhp 4.8L V-8 (X5 4.8i). Both engines are mated to 6-speed STEPTRONIC automatic transmissions. BMW claims 0-60 mph in 6.4 seconds (X5 4.8i) and 7.8 seconds (X5 3.0si). All models are equipped with xDrive AWD. Safety & handling enhancements include Active Roll Stabilization, Dynamic Traction Control, rearview camera, and Adaptive Drive. All X5 model have run flat tires. BMW's iDrive is standard on the X5.