10 Best Engines and Motors of 2020 According to Wards Auto
2020 GMC Sierra 1500
This year, the Sierra 1500 added the option of a 3.0-litre inline six-cylinder turbo-diesel engine that produces 277 horsepower and, more importantly, 460 pound-feet of torque. Il also wows drivers with an average fuel consumption of just 9.1 L/100 km and a level of smoothness that old diesels could only dream of.