When it comes to pickup trucks, towing capacity has the same importance that fuel economy has with hybrids or driving range has with electric vehicles.
Unlike those examples, there has never been any standardization to determine how much weight a vehicle can actually tow. To rectify this, the Society of Automotive Engineers (SAE) came up with its J2807 standards, which creates a unified system for determining tow rating. Toyota released its SAE J2807 tow ratings on the 2014 Tundra, and now General Motors has just announced its updated tow ratings for the 2015 Chevrolet Silverado 1500 and 2015 GMC Sierra 1500.
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The key difference for this new tow rating is that it takes into account options and passengers that negatively affect a truck’s Gross Combined Weight Rating (GCWR). Tack on a few options and load up some passengers, and the powertrain now has more weight to