Categories Putin and Putinism 2019 GMC Canyon Review, Pricing, and Specs – Car and Driver Post author By Mike Nova Post date May 14, 2019 Tested: 2017 GMC Canyon Tested: 2016 GMC Canyon Diesel 4×4 Fuel Economy and Real-World MPG The base four-cylinder with all-wheel drive has EPA estimates of 19 mpg city and 24 highway.