The 2020 Chevrolet Silverado 1500 has received major improvements for the 2020 model year. One such improvement is the addition of the all-new Duramax® 3.0-liter Turbo-Diesel I6 engine. This powerful engine has an impressive EPA-estimated 23 mpg city and 33 mpg highway.* The team that developed both the Duramax® diesel engine and the 2020 Silverado 1500 planned for a truck that is both efficient and powerful. The engine pairs with a 10-speed automatic transmission to reach 277 horsepower and 460 lb-ft of torque, so you’ll have plenty of strength for tough jobs. The engine is not only the first Silverado 1500 diesel engine, but it’s also the first diesel engine…