I've got to be honest with you, I've had a few suburbans as rental cars for going on road trips, and I really like them, as far as cruising goes I would say I like it more than the X (of course when you get on a mountain path the X is far superior)

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2006 BMW X5 4.8is Lemans Blue/Beige/Dark Maple
-Nav, Comfort Seats, Heated Steering Wheel,
Rear Airbags, AUX Input
2009 BMW M3 Space Grey/Black/Carbon
-all options