Test drove Acadia/Enclave/Outlook, Toyota Sienna, Chrysler Aspen and Chevy Tahoe. All were very nice and gas mileage better on Sienna. Deciding factor was better rebate. Family loves it and that was bottom line.
Handling, roominess, bluetooth, power rear door.
Power adjustable pedals, pop out rear windows (don't know why they got rid of them), roll down rear window on hatch (great for dog lovers on hot days), 6 or 7 speed automatic to improve gas mileage (getting 13.7 around town), better tires (quieter Michelines), LAMINATE WINDOWS like Enclave and Aspen.