The 2011 Buick Enclave is a large crossover SUV that comes in CX, CXL1 and CXL2 trim levels. Even the base CX is nicely equipped out of the box with 19-inch alloy wheels, bi-xenon headlights, foglamps, a power liftgate, heated outside mirrors, an auto-dimming rearview mirror and cloth upholstery. Other standard features include partial power front seats, a tilt-and-telescoping leather/wood steering wheel, tri-zone automatic climate control, Bluetooth, OnStar and a six-speaker CD/MP3 audio system with an auxiliary audio jack and satellite radio. The Enclave CXL1 adds leather upholstery, heated power front seats, driver-seat memory functions, rear parking sensors and a back-up camera with a small rearview-mirror display.