General Motors announced today that the 5.3-liter V8 found in both the GMC Sierra and Chevy Silverado has been SAE rated at 355 hp and 383 lb-ft of torque, and will get an estimated 23 mpg highway for ...
When GM debuted the all-new full-size Chevrolet Silverado and GMC Sierra pickups late last year, it outlined a bevy of changes and updates—everything, that is, except power figures for the trucks’ ...
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