2019 Chevy Silverado with 4-cylinder engine rated at 21 mpg combined 2019 Chevy Silverado with 4-cylinder engine rated at 21 mpg combined October 10, 2018 dzadmin Comments 0 Comment The redesigned 2019 Chevrolet Silverado equipped with a new four-cylinder engine will achieve an EPA-estimated 21 mpg combined, which is close to entry-level pickup V-6 offerings from Ford and Fiat Chrysler that are rated 22 mpg combined.