EPA MPG Owner MPG Estimates 2019 Chevrolet Blazer FWD 6 cyl, 3.6 L ... City MPG: 15. city. Combined MPG: 19. combined. Highway MPG: 15. highway. city/highway. MPG. 6.7 gals/100 miles . Use our handy tool to get estimated annual fuel costs based on your driving habits. City MPG: 16. city. Highway MPG: 25. highway. Chevy Express Vans: Cargo, 12 Passenger and 15 Passenger How can I share my MPG? View detailed gas mileage data for the 2017 Chevrolet Express. 2019 Chevrolet Corvette 8 cyl, 6.2 L, Manual 7-spd Premium Gasoline: Not Available. 2019 2020 2021 chevy 15 passenger van mpg Chevrolet and Chevy Reviews 2021 chevy 15 passenger van mpg, Release Date Price Specs 2021 chevy 15 passenger van mpg Changes Redesign Choose from a wide range of packages and exteriors in the Chevy Express lineup of cargo and passenger vans with multiple configurations to fit any business. Fuel Economy of 2019 Chevrolet Vehicles.