GMC has announced the 2015 Yukon Denali and Yukon XL Denali. The big SUVs come with advanced EcoTec3 engines boasting segment's best V-8 fuel economy.

The both range-topping models come with a mesh grille and high-intensity discharge headlights with C-shaped LED daytime running lights. There is also bright chrome trim and 20" alloy wheels fitted with proper tires.

The interior features premium leather upholstery and wood trim. Other highlights include ambient lighting, contrast stitching, active noise cancelation technology and a Bose sound system. There is also a start/stop button, a head-up display and an IntelliLink infotainment system.

The 6.2 liter EcoTec3 V8 has 420HP (313 kW) and 610Nm (450 lb-ft) of torque. It is to a 6-speed automatic transmission which can be paired to an optional all-wheel drive system.

The new Yukon family will be built at GM's Arlington, Texas assembly plant, and scheduled to begin arriving at GMC dealerships in the first quarter of 2014.

GMC Yukon Denali (2015)
GMC Yukon Denali (2015) - picture 1 of 16
GMC Yukon Denali (2015) - picture 2 of 16
GMC Yukon Denali (2015) - picture 3 of 16
GMC Yukon Denali (2015) - picture 4 of 16
GMC Yukon Denali (2015) - picture 5 of 16
GMC Yukon Denali (2015) - picture 6 of 16
GMC Yukon Denali (2015) - picture 7 of 16
GMC Yukon Denali (2015) - picture 8 of 16

Source: GMC