2014 GMC Sierra Denali

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2014 GMC Sierra Denali

Sierra’s engine portfolio is updated for 2014 with increased power, torque and fuel efficiency across the board. New 4.3L V-6, 5.3L V-8 and 6.2L V-8 powertrains are offered, all from a shared EcoTec3 engine family. Each engine features standard direct injection, continuously variable valve timing and Active Fuel Management, which means they seamlessly switch to run on four cylinders during light-load driving to save fuel.

2014 GMC Sierra Denali - Interior

2014 GMC Sierra Denali - Gauges

2014 GMC Sierra Denali - Door Sills

The increased power and efficiency of the new engines are the result of more than 10 million hours of sophisticated computer modeling, more than half of which were used to make the best of the combustion process.

2014 GMC Sierra Denali - Wheel

2014 GMC Sierra Denali - Rear Angle

The new 4.3L V-6 EcoTec3 engine offers the most torque of any standard V-6 in the segment, with 305 lb.-ft. (413 Nm). Torque is the turning force that generates off-the-line acceleration and confident trailering performance. Sierras equipped with the 4.3L EcoTec3 V-6 will have trailering ratings up to 7,200 pounds (3,266 kg) for a regular cab, short bed, four-wheel-drive model – 500 pounds more than the most capable Ford F-150 3.7L and 700 pounds more than a Ram 1500 3.6L.
Sierra’s standard V-6 also produces an SAE-certified 285 horsepower (212 kW) and is matched with a proven, efficient six-speed automatic transmission.
The new 5.3L EcoTec3 is SAE-certified at 355 horsepower (250 kW) and 383 lb.-ft. of torque (519 Nm). With EPA-estimated fuel economy of 23 mpg highway (2WD), it offers the best fuel economy of any V-8 pickup, and beats the fuel economy estimates of the Ford EcoBoost V-6.
The new 6.2L V-8 is available in Sierra SLT and Denali models. It is estimated at 420 horsepower and 450 lb.-ft. of torque – the most horsepower and torque of any light truck in the industry (SAE-certified ratings pending). The new 6.2L also enables a 12,000-pound maximum towing capacity for Sierra 1500, which is expected to the highest rating in the class.
EPA fuel economy estimates for the 4.3-liter and 6.2-liter engines will be available later this year when certification is complete.
With the new engine designs and additional developments, customers should expect Sierra’s second-generation Active Fuel Management to be more seamless and capable of operating longer in four-cylinder mode.
All three engines use lightweight aluminum blocks and heads and are mated with durable six-speed automatic transmissions. A “cruise grade braking” feature down-shifts the transmission on downgrades, which is intended to reduce brake wear. V-8 models use new, larger 9.5- and 9.76-inch rear axles with the strength to accommodate the engines’ higher output.
Sierra All-Terrain has all-new styling for 2014. It includes a unique exterior appearance with a painted grille and less chrome, and is available as a double cab or crew cab in a limited number of colors.
Standard equipment for Sierra All-Terrain includes the Z71 off-road suspension with monotube Rancho shocks, hill descent control, front recovery hooks, a transfer case shield and unique wheels and tires, along with an automatic locking rear differential that reacts in milliseconds in low-traction situations to improve safety and confidence on wet, snowy or muddy surfaces.
Sierra All Terrain is available exclusively with an ebony interior and with front bucket seats on SLE models. A carbon fiber-look seat accent is standard on SLT models.
2014 GMC Sierra Denali Photo Gallery
Image Credit: © GMC


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