Extended Cab, Pewter, 4wd, 5.3 L Engine on 2040-cars

Auto blog

2015 GMC Yukon Denali

Automotive enthusiasts often wonder aloud - ourselves included - why General Motors would choose to keep GMC while sending Pontiac (and Saturn, and even Oldsmobile before it) into the great automotive graveyard in the sky. The answer, as is so often the case, is profit. It's much easier for GM to rake in money hand over fist by rejiggering the trucks, crossovers and SUVs that it would already be developing for Chevrolet and making them a bit more luxurious and *ahem* "Professional Grade" with new grilles, badges and unique packaging for GMC.
While it may sound like we're being cynical, we totally approve of GM's fullsize SUV strategy. The least-expensive way to get into the fold is with the Chevrolet Tahoe, which starts at $45,595 with a 5.3-liter V8 engine and a cloth interior. Bumping that same Chevy to LTZ trim and its $59,995 sticker price lands a much nicer leather-clad interior and more techno-bells and whistles than you can shake a stick at. But it still looks like a Tahoe, and it still comes with the smaller 5.3-liter engine. Or, you could do what we'd do: Walk into your GMC dealer and take a look at the Yukon Denali. Here's why.
Driving Notes

2015 Sierra All Terrain HD looks ready to hit heavy-duty trails

GMC is getting its heavy-duty trucks ready for the mud this summer with its All Terrain package for the Sierra 2500HD and 3500HD. Meant to blend style, tech and ruggedness, the pack includes a lot of extra chrome outside and an off-road package underneath.
The 2015 Sierra All Terrain HD trucks naturally come standard with four-wheel drive with an electronically controlled transfer case to handle things in the dirt. The Z71 off-road package is also standard, which includes Rancho twin-tube shocks, hill descent control and a skid plate. To add some style when off the beaten path, the pack includes chrome trim on the mirror caps, lower bumper and grille surround, plus LEDs around the headlights and 18-inch wheels (20-inchers are optional on the 2500HD). The 3500HD also gets chrome, adjustable outside camper mirrors. The interior receives a technology upgrade thanks to the standard rearview camera and IntelliLink infotainment that can act as a Wi-Fi hotspot through OnStar 4G LTE, read text messages and includes Siri Eyes Free for iPhone users.
The All Terrain package goes on sale on both trucks this summer and is offered on either the SLE or SLT trim levels in double cab and crew cab models. The standard engine is the 6.0-liter V8 with 360 horsepower and 380 pound-feet of torque, but the Duramax 6.6-liter, diesel V8 with 397 hp and 765 lb-ft is also available. The gas engine is mated to a Hydra-matic six-speed automatic, and the diesel uses an Allison six-speed automatic. Scroll down to read the full announcement about these heavy-duty off-roaders.

GM able to add diesel to half-ton pickups if market demands it

A few years ago, the trend in half-ton pickup trucks was ultra-luxurious trims, often with the words "limited" or "platinum" tacked on after the model name. That was well and good, but we like this latest fad a lot more - diesel engines. First, Ram came to bat with a 3.0-liter, V6 turbodiesel for the 1500, then Nissan announced that the next-generation Titan would be getting an eight-cylinder Cummins diesel.
Now, word is coming in from AutoGuide that General Motors can, if it so chooses, drop a diesel engine into its light-duty trucks. The plot thickens, though, as it turns out that said diesel would be the same one Ram is using for its truck. According to AG, that engine comes from VM Motori, which GM owns a sizable chunk of. Therefore, GM can snag the 3.0-liter, V6 diesel for its trucks just as easily, if not more easily, than Ram.
If it's so easy for the Detroit-based manufacturer to access the engines, why not offer the a diesel-powered Sierra and Silverado from the start, then? According to GM spokesman Tom Wilkinson, The General doesn't seem so confident in a diesel pickup outside of its HD offerings. According to Wilkinson, the cost-benefit ratio doesn't line up for customers, thanks to both the impact on the truck's sticker price and the higher price of diesel, in general (the national average for a gallon of diesel is 43 cents more than a gallon of 87-octane unleaded).