If you need a truck that can tow more, haul more and just plain do more, then you need a GMC Sierra 2500HD. Available right here in Oak Lawn at Mike Haggerty Buick GMC, we're excited to offer you the latest version of this classic truck our customers have been buying for years. With a gasoline engine or an all-new available Duramax diesel engine, the Sierra 2500HD gives you ample horsepower and torque to do everything from towing a large RV trailer to hauling bricks to the construction site. Our inventory of new Sierra 2500HD trucks include a variety of choices so you can find the one you need in a color you'll love. Visit us today in Oak Lawn and get your new GMC Sierra 2500HD today from us at Mike Haggerty Buick GMC.