Buying a new truck or SUV isn't always a straight-forward mission, so it helps to know what you're getting into before you even show up to the dealership. There are so many trim levels to choose from ...

GMC’s Yukon XL is the brand’s flagship sport utility vehicle, and it undergoes a complete redesign for 2007. Available in base SLE, SLT and top-of-the-line Denali trim levels, the Yukon XL is ...