Professional Reviews

• “GMC has a more poised look (than Chevy).” — Edmunds.com
• “GMC diesel is not only the most efficient but is the quickest with this load (against Ford SuperDuty).” — Popular Mechanics
• “Thickness of the pillars hampered side visibility on Extended Cab.” — Carpoint.com
• “A truck with class-leading power efficiency and smarts.” — Truck Trend
• “Regular sized mirrors proved pretty much useless (for towing).” — Popular Mechanics
• “GMC Sierra HD has a taller, more poised look than previous incarnations.” — The Car Connection
• “Sierra surpasses them (rivals) when it comes to brakes.” — Carpoint.com
• “Through the wind, the GMC maintains speed without downshifting.” — Popular Mechanics
• “It's what's under the hood that seperates the men from the boys among heavy-duty pickups.” — Automobile
• “Engine output exceeds that of the V-10s offered by GM's competitors.” — Edmunds.com