See also:

Online Owner Center
Manage your vehicle (U.S.) at gmc.com. Click on “Owners,” then “Manage My GMC/Owners Login.” Information and services customized for your specific vehicle — all in one convenient place. � ...

Under the Hood
Both the four-cylinder and V-6 engines use direct-injection technology. An Eco mode, which is activated by a dashboard button, alters drivetrain calibrations in the four-cylinder to maximize fuel ...

Exterior
Painted black and trimmed in chrome, my Yukon Denali test vehicle looked more like its Escalade corporate cousin than a tough truck. The Yukon is probably the safest-looking of the three siblings, ...