2. 2016 Chevrolet Colorado
Highway gas mileage: 27 MPG
The 2016 Chevrolet Colorado is one of the most fuel efficient gas powered trucks on the market today. With a 20 MPG (city) and 27 MPG (highway) overall rating, the fuel efficiency of the Colorado is similar and even better than many SUVs. The truck is powered by a 2.5 liter inline-four cylinder engine, and consumers can choose to upgrade to a 2.8 liter four cylinder diesel or a 3.6 liter V-6 when buying the truck new. The horsepower ratings of the engines range between 181 and 305 HP, and the towing ratings for the truck ranges between 3,500 and 7,600 lbs depending on the specific engine and model of truck purchased.