• General Motors' Denali line of vehicles includes the Envoy Denali, Sierra Denali and Yukon Denali. The Envoy Denali is a mid-size sport-utility vehicle with upscale amenities. The Sierra Denali is a full-size truck that combines power and luxury. The Yukon Denali is a full-size SUV that adds luxurious features to the popular Yukon brand.
  
  

GMC Envoy Denali

• In 2010, GMC stopped producing the GMC Envoy and Envoy Denali vehicles. The Envoy Denali comes in two style trims. You can pick between the two-wheel-drive or four-wheel-drive options. Under the hood you will find a 5.3-liter V8 engine block that produces 300 horsepower at 5,300 rpm and 321 foot-pounds of torque at 4,000 rpm. It has a rear-wheel-drive automatic transmission with overdrive control. The exterior dimensions are 191.6 inches long, 74.7 inches wide and overall height of 71.9 inches. The Envoy Denali sits on four 17-inch tires, 18 x 8-inch polished aluminum wheels and fits in a 113-inch wheelbase.
  
  

GMC Sierra Denali

• The 2011 GMC Sierra Denali truck has a starting $44,000 MSRP. Under the hood, there is 6.2-liter Vortec V8 engine. The engine block boasts 403 horsepower with 417 foot-pounds of maximum torque. The six-speed automatic transmission is heavy-duty, with a 3.42 rear axle ratio, electrically controlled overdrive and a powerful tow/haul mode. The truck gets 13 mpg in the city and 18 for highway driving. The fuel tank holds 26 gallons. The Sierra Denali is 229.9 inches long, 80 inches wide, and 73.8 inches high, with a 143.5 inch wheelbase.
  
  

GMC Yukon Denali

• The 2010 GMC Yukon Denali sells for a starting price tag of $53,000. Like the Sierra Denali, this luxury SUV uses the same powerful 6.2-liter V8 Vortec engine and six-speed automatic transmission. This particular Vortec engine includes Active Fuel Management and E85 FlexFuel capabilities. The exterior dimensions include a 222.4-inch front-to-rear length, 79.1 width and a 77.1 inch overall height. The Yukon Denali's fuel economy is nearly identical to the Sierra Denali truck's. It gets 14 mpg miles for city driving and 20 mpg on the highway. The gas tanks are identical at a 26-gallon capacity.