Yes, they span different markets and prices, but fundamentally the 2008 Chevrolet Tahoe, GMC Yukon and Denali and Cadillac Escalade are the same SUV. Luckily, it's a darn fine SUV, with a wide range of luxurious options packages, power choices, including a relatively thrifty hybrid and styling to suit nearly anyone's tastes. Let's not forget the huge interior, generous cargo room – at least with the seats folded – and comfortable driving these big boys offer up.