EXT starts at $49,990. Only one well-equipped model is available, which comes loaded with the Midgate storage system, GM's OnStar communications and navigation system, Stabilitrak traction control and road-sensing suspension, four-wheel ABS, front and side airbags, and Ultrasonic Rear Parking Assist.There are two options only: a tinted-glass, power-assisted sunroof ($1550) and premium paint ($995). Next Page