The 2018 Infiniti Q50 gets a 2-liter I4 under the hood that makes 208 hp @ 5500 rpm horsepower and 258 lb.-ft. @ 1500 rpm of torque. This engine is quite fuel-efficient and helps the car deliver a mileage of 23 mpg in the city and 30 mpg on the highway. The combined efficiency of the engine comes out to be 25 mpg as rated by the EPA.

For the performance-oriented buyers, Infiniti provides an option to choose another engine. It's a 3-liter V6 motor that churns out 300 hp @ 6400 rpm horsepower and 295 lb.-ft. @ 1600 rpm of torque. The engine is a gas guzzler and provides an efficiency of 20 mpg in the city, 29 mpg on the highway and combined mileage of 23 mpg. The total fuel-tank capacity of the car is 20 gallons and you can travel up to 400.00 / 580.00 miles once it's full.

The 2018 Infiniti Q50 provides the fuel efficiency figures of 21 mpg in the city, 28.5 mpg on the highway and 23.5 mpg combined. Though these numbers are respectable, the 2018 Infiniti Q50 still falls a little behind 2018 Lexus ES 300h hybrid as the latter possess better mileage figures.

The total fuel tank capacity of the car is 20 gallons which provides a total travel range of 380.00 / 540.00 - 460.00 / 600.00 miles. The overall range of the 2018 Infiniti Q50 is also less in comparison to some of its rivals due to lower efficiency but you won't have to visit the filling stations every now and then.