Built on GM’s Lambda platform which also underpins the Buick Enclave, Saturn Outlook and, most recently, the Chevrolet Traverse, the GMC Acadia is a full-size crossover SUV that replaced the General’s minivans, Safari van and Envoy XL SUV. And we hear more models will fall to the Lambdas. Three trim levels exist, and all are powered by a 3.6 liter V6 with Variable Valve Timing (VVT) ...

GM’s baby pick-up truck is relatively unchanged for 2008. The only real benefit buyers of a 2008 GMC Canyon will receive is one-year OnStar coverage free of charge. Three body styles and four trim levels of the Canyon exist, and buyers get a choice of two engines. There is a 2.9 liter inline-four banger that makes 185 horsepower at 5,600 rpm and 190 lb-ft at a low 2,800 rpm. It returns 18 ...

A multiple award-winner since its redesign for 2007, the Sierra is a hard-working truck with a long-standing reputation to uphold. The only update for 2008 is an available integrated trailer brake controller. A key to the Sierra’s success is its customizability. There are four engine options for the 1500, with the long-serving 4.3 liter V6 at the bottom of the pile. It makes 195 horsepower ...

The new-for-2007 GMC Sierra range includes the Heavy Duty models, and the 2500HD is the first of them. Nothing has changed in the year since launch, so and two hard-working engines remain. The standard, gas powerplant is a Vortec 6.0 liter V8 that is rated at 353 horsepower at 5,400 rpm and 373 lb-ft of torque at 4,400 rpm. The diesel-fueled alternative is a 6.6 liter V8 labeled Duramax, ...

The most capable heavy-duty truck in General Motors’ line-up, the 3500HD is available with dual rear wheels for serious towing and hauling capabilities. For 2008, the Crew Cab Silverado 3500HDs receive new standard 17-inch wheels. Five body / drivetrain styles exist: a Regular Cab 4WD, Extended Cab 2WD or 4WD, Crew Cab with 2WD or 4WD. All could be had with single rear wheels or double. ...

The GMC Sierra 1500 Hybrid offers what is for many the best of both worlds: hybrid fuel efficiency and the Sierra 1500 work truck reputation. The Sierra Hybrid is built around GM's Electrically Variable Transmission (EVT) and 300-volt nickel-metal hydride Energy Storage System (ESS), which are teamed to a regular GMC 6.0-liter V8. This powertrain is identical to the one found in the Chevrolet ...

General Motors added the Terrain crossover utility vehicle to its GMC brand's lineup for the 2010 model year onward. Positioned below the full-size Acadia, the Terrain shares its Theta architecture with the new Chevrolet Equinox. The model replaced the Pontiac Torrent and GMC Envoy. Two engines are available for customers to ...

The full-size SUV that is the GMC Yukon gets standard curtain airbags across all models and trims after its introduction for 2007. The Yukon features a standard six-person seating capacity, with a third row seat as an option, giving it the ability to carry seven passengers. Four wheel drive is an option across all trims of the Yukon. Two engines are offered, both V8s: a 4.8 liter and a 5.3 ...

As with other models in GM’s line-up, the Denali name denotes a more exclusive, powerful and luxurious version of an existing, more pedestrian product. The Yukon Denali is no different, and it is unique aesthetically and mechanically from its Yukon counterpart. The major change is under the hood, as buyers get an exclusive 6.2 liter V8 good for 380 horsepower at 5,500 rpm and 417 lb-ft of ...

The Yukon Hybrid is GM’s green alternative for those who need a full-size SUV and is a new offering for 2008. GM proudly and loudly proclaims it as the world’s first full-size two-mode hybrid SUV. It can be had in two- or four-wheel drive. There is still a V8 engine underhood, though it’s been modified to open its intake valve later . The 6.0 liter is good for 332 horsepower at 5,100 rpm ...

As with other models in GM's line-up, the Denali name denotes a more exclusive, powerful and luxurious version of an existing, more pedestrian product. The Yukon Denali Hybrid is no different, and it is unique aesthetically and mechanically from its standard Yukon counterparts. When approaching a Yukon Denali in hybrid trim one will note standard color-keyed assist steps with chrome inserts, ...

The Yukon XL is, appropriately, longer in both wheelbase and overall length than the ‘regular’ Yukon, 14 and 20.4 inches, respectively, to be exact. The Extra Length Yukon, then, is more capable at carrying things inside it, and therefore gets a bigger optional engine. New for 2008 is standard stability control and a six-speed automatic for the heavier-duty 3/4-ton models and standard side ...

Like the Yukon XL and the Yukon, the Yukon Denali XL differs mainly from the Yukon Denali with a wheelbase stretch of 14 inches and a corresponding overall length increase of 20.4 inches. While two wheel drive is standard equipment, the option is an all-wheel drive system instead of four-wheel drive so hard-core off-roading is not recommended, as there is no low-range gearing. The Denali ...