Chevy Silverado, GMC Sierra Heavy Duty Diesels Walk the Walk - Ward's Auto (subscription)
Torque is the force a truck’s engine creates to turn the wheels and the greater the torque the greater a truck’s promotable pulling power. For joined the tit-for-tat last year with the Cummins High-Output I-6 turbodiesel, which doles out a now-segment-leading 850 lb. -ft. (1,152 Nm) of torque in the ’14 Ram 2500. But if seat-of-the-pants testing here is any indication, it might be... Hitched with a 10,000-lb. (4,356 kg) trailer along the Rye grade, a 7% incline on Arizona Highway 87 that stretches for about five miles and brings Class 8 trucks to a crawl, a ’15 Silverado with carryover output ratings from ’11 decimates the... Exhaust brakes, in short, slow a truck on downhill grades without applying the mechanical brakes. When engaged an exhaust brake reduces brake wear, especially during towing and hauling, and provides an extra bit of stopping power. Setting the cruise control of each competitor at 55 mph (89 km/h) and coasting down the grade with the trailers, the Silverado consistently held its speed better than the Super Duty or the Ram 2500. Sometimes it was by an alarmingly wide margin. Source: wardsauto.com
