The GMC Acadia is a full-size crossover SUV from GM. The GMC Acadia, Chevrolet Traverse, Buick Enclave and Saturn Outlook share the new GM Lambda platform. The Acadia went on sale in the United States in December 2006, and in Canada in January, 2007. The Acadia replaces 3 of the 7/8-passenger vehicles on the Pontiac-Buick-GMC dealership network, the mid-size GMC Safari van, the GMC Envoy, and the Pontiac Montana SV6 minivan for the USA Only. As of 2009, the Lambda vehicles have replaced the Buick Rainier, Buick Rendezvous and the Buick Terraza, and then subsequently the GMC Envoy and the Chevrolet TrailBlazer. A Denali version of the Acadia debuted in 2010 as a 2011 model.
The Acadia augments GMC with an entry level truck-like SUV and is the first unibody vehicle from the marque. It is also GMC's first front-wheel drive passenger vehicle and GMC's first crossover SUV. The Acadia features seating for eight, generous interior space, and either front or all-wheel drive. With a 5,200 lb (2,042 kg) towing capacity, the Acadia slots between the Envoy and the Yukon. The Acadia is the mid-priced Lambda model between the Chevrolet Traverse and Enclave. The Acadia had average reliability ratings in Consumer Reports' surveys.
The 2008 Acadia rides on a 118.9 inch (3020.7 mm) wheelbase and offers wide 67.28 inch (1709 mm) front/rear tracks that will offer a lower ride height. The suspension is independent front and rear, the front featuring a MacPherson strut design, with a direct-acting stabilizer bar and aluminum knuckles. The rear suspension uses a new "H" Linked design that is more compact and should result in a more smooth ride than traditional SUV's.
Steering in the Acadia is power-assisted rack-and-pinion on standard models, but an optional variable-effort system will be available as well. Putting power to the ground will be standard 18 inch wheels and tires, with optional 19 inch wheels. As with most modern GM vehicles, four-wheel disc brakes with ABS are standard, and more standard safety features (not specified) are included as well.
The Acadia uses GM's High Feature LY7 V6 that was introduced in the Cadillac CTS. In the Acadia, the engine produces 275 hp (205 kW) and 251 lb-ft. of torque (340 Nm). The Acadia also uses the new 6T75 6-speed automatic, offering good city and highway fuel economy matched with brisk acceleration when needed. According to GMC, the 6T75 adds up to 8 percent improved performance and up to 4 percent improved fuel economy when compared with current front-wheel drive four-speed automatics offered in various GM models.
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