2007 Gmc Sierra 2500 Hd Classic Slt Crew Cab Pickup 4-door 6.6l on 2040-cars

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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 Ultium tech can scavenge heat from everywhere, even you

GM likes to give us tidbits about its Ultium platform from time to time, and today it’s telling us about the platformÂ’s ability to capture waste heat from the propulsion system. In addition to capturing from the propulsion system, it can also capture humidity from both inside and outside the vehicle and even from passengersÂ’ body heat. Yes, you, your family and/or your friends are a usable heat source as far as GM EVs are concerned. It then deploys the heat in an advantageous way. If at this point, youÂ’re screaming, "Heat pump!" youÂ’d be right. WeÂ’re talking about an elaborate heat pump system that GM is using for its Ultium-based vehicles. Every Ultium-based GM vehicle gets this system that is covered by 11 patents and four publications. The waste heat it collects is used in a number of ways, but its primary use is to heat the cabin quickly and efficiently. GM claims it can heat the cabin of its Ultium-based vehicles quicker than vehicles with traditional internal combustion engines. Plus, when put to use, GM claims that using the heat pump provides its EVs with up to 10% more range than theyÂ’d have without. Beyond heating the cabin, the heat pump is capable of putting waste heat to use by preheating the battery prior to charging so that you can charge quicker. The system can even cool the propulsion system in preparation for Watts to Freedom (WTF) launch control starts. GM says this was vital in helping the Hummer EV achieve its bonkers 0-60 mph time of about 3 seconds. “Having a ground-up EV architecture gives us the freedom to build in standard features like UltiumÂ’s energy recovery capabilities,” said Doug Parks, GM executive VP of global product development, purchasing and supply chain. “This helps us squeeze more efficiency, performance and overall customer benefit out of our EVs.” GM says itÂ’s been developing heat pump technology since the EV1 and its heat pump. This is the modern evolution of that technology, and GM says itÂ’s going to be implemented in every Ultium-based vehicle as a standard feature. Related video: Green Cadillac Chevrolet GM GMC Technology Electric Future Vehicles

GMC Safari GT, a rad-era hauler with custom-van swagger

The GMC Safari van, along with its Chevy Astro sibling, performed yeoman service ferrying passengers and hauling cargo for two decades starting in 1985. But one special variant, the Safari GT — and, at Chevrolet, the Astro RS — added an unexpected dollop of swagger. Those vans had a custom look that was straight out of the '70s "sin bin" era. One of those Safari GTs is up for grabs right now, fittingly, on the RADforsale auction site. The option package at both GMC and Chevrolet was coded BYP, the GT Sport Package, and it appears to have been offered from 1990 to 1994. Its defining element was the two-tone paint treatment shown here, with black on the lower body and the greenhouse, and your choice of white, silver, blue, gold, or red as the main body color. Blanked out rear quarter windows and "simulated air exhaust louvers" behind the middle side windows added a further bit of style (long-wheelbase XT versions skipped that flourish). Also included were a front air dam, blacked-out grille, aluminum rally wheels, and a sport suspension. This 1991 Safari GT appears to have been further sportified with a lower-body aero kit, a rooftop spoiler, and aftermarket wheels. This rear-wheel-drive, standard-wheelbase model is powered by a 4.3-liter V6 hooked to a four-speed automatic transmission. It has traveled a relatively low 126,000 miles and looks to be in exceptionally good shape — particularly given that most of these vans lived a hard life. At this writing, bidding stands at $5,100 with bidding to end May 21. That suggests this Astro GT will bring a strong price — but if you want one, you may be hard-pressed to find another.