Davis GMC Buick Lethbridge

Introducing Sierra's Best-Engineered, Most Capable Family Of HD Trucks

Building on over a century of excellence, we've completely re-engineered the Sierra 2500HD and 3500HD for 2011. The results? The most powerful Sierra HD pickup ever. A segment-exclusive full-length fully-boxed high-strength-steel frame.** More towing capacity, more payload capacity and more power from a proven legendary power combination Duramax Diesel and Allison automatic transmission. Advanced safety technologies for confident control. Luxurious new Denali models. And the best coverage in Canada. Put it all together and you've got a range of trucks engineered to tackle your toughest jobs, year in and year out.