what is the difference between yukon xl and denali?
Both seat seven in the Yukon, with a 203.9-inch wheelbase, or seat nine in the XL, which is a full 20 inches longer. ... While the Yukon is available with 18-inch, 20-inch and 22-inch alloy wheels in a range of styles, the Denali comes standard with a 22-inch Denali-only six-spoke wheel with machined GMC center caps.