2014 GMC Sierra Denali 1500 4WD Crew Cab Update 5 - Motor Trend
I promised we'd put Big Jim to work towing, and for this update we have. When hooking the trailer up, the rear camera certainly helps, but its low-ish resolution, its lack of a line indicating the path of the trailer hitch ball, and the fact that it plunks a parking-sensor warning icon right where the ball goes mean I... The trailer weighs about 3,400 pounds -- well under our truck's 9,500-pound towing limit -- but towing it blunts the 5. 3-liter's acceleration noticeably, suggesting that anyone frequently towing anything bigger might want to consider the 6. 2-liter. You'd better be towing or hauling gigantic stuff frequently if you're considering a Sierra Denali HD, however. I just spent some time in one with a Duramax, and it sure does ride rough with no load in it. Clicking the tow/haul-mode button on the end of the gearshift in any GM pickup alters the transmission and throttle programming, and increases the... After spending nearly a year with Jim, my pickup-truck receptors are fully sensitized, so I was somewhat surprised that Toyota's nearest Denali competitor, a Tundra Platinum, didn't compare too favorably inside. It wants to rev, delaying upshifts well past the point where Big Jim would be onto the next gear. Source: www.motortrend.com
