2020 Gmc 2500 6.6 Gas. Based on data from 36 vehicles 1224 fuel-ups and 482734 miles of driving the 2020 Chevrolet Silverado 2500 HD gets a combined Avg MPG of 1320 with a 022 MPG margin of error. Of course as many extensive fleet studies have shown the driver accounts for 33 affect on mpg one way or the other.
Of course its a heavy duty engine and it is cast iron type not aluminum. 6-speed automatic wOD and auto-manual. In todays video Tim meets up with Erin Holcomb his cousin and a ranch owner in Nebraska to talk about her decision to buy the 2020 GMC Sierra 2500 66-liter V-8 and why she chose the gas engine over the diesel.
The gas V8 is rated at 401 hp and 464 lb-ft of torque.
Release the Power Of Your 2020 Silverado 66L Gas With New Flowmaster Cat-Back Exhaust. Of course as many extensive fleet studies have shown the driver accounts for 33 affect on mpg one way or the other. From what I have seen on other sites the 66 L8T in the 2020 25003500 is pulling off similar numbers. Some may really feel the steering is somewhat too gentle but it surelys exact making the automobile easy to place on the highway.
