The 2018 Genesis G80 gets a 3.3-liter V6 under the hood that makes 365 hp @ 6000 rpm horsepower and 376 lb.-ft. @ 1300 rpm of torque. This engine is quite fuel-efficient and helps the car deliver a mileage of 17 mpg in the city and 25 mpg on the highway. The combined efficiency of the engine comes out to be 20 mpg as rated by the EPA.

For the performance-oriented buyers, Genesis provides an option to choose another engine. It's a 3.8-liter V6 motor that churns out 311 hp @ 6000 rpm horsepower and 293 lb.-ft. @ 5000 rpm of torque. The engine is a gas guzzler and provides an efficiency of 19 mpg in the city, 27 mpg on the highway and combined mileage of 22 mpg. The total fuel-tank capacity of the car is 20.3 gallons and you can travel up to 357.0/510.0 miles once it's full.

For the performance-oriented buyers, Genesis provides an option to choose another engine. It's a 5-liter V8 motor that churns out 420 hp @ 6000 rpm horsepower and 383 lb.-ft. @ 5000 rpm of torque. The engine is a gas guzzler and provides an efficiency of 16 mpg in the city, 24 mpg on the highway and combined mileage of 19 mpg. The total fuel-tank capacity of the car is 20.3 gallons and you can travel up to 324.80 / 487.20 miles once it's full.

The 2018 Genesis G80 provides the fuel efficiency figures of 17 mpg in the city, 25 mpg on the highway and 20 mpg combined. Though these numbers are respectable, the 2018 Genesis G80 still falls a little behind 2018 Mercedes-Benz C-Class as the latter possess better mileage figures.

The total fuel tank capacity of the car is 20.3 gallons which provides a total travel range of 304.50 / 466.90 - 365.40 / 507.50 miles. The overall range of the 2018 Genesis G80 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.