Kia K900 MPG & Fuel Economy

The 2020 Kia K900 gets up to 21 MPG combined (18 city / 25 highway) in EPA testing.

Latest model year (2020):

The Kia K900 gets up to 21 MPG combined (18 city / 25 highway) in the Auto (S8), 6 cyl, 3.3 L trim.

Verifiedfueleconomy.gov · Verified August 9, 2026

Kia K900 MPG — All Years

YearTrimEngineFuelCity (MPG)Hwy (MPG)Combined (MPG)
2020Auto (S8), 6 cyl, 3.3 L6 3.3LPremium Gasoline182521
2019Auto (S8), 6 cyl, 3.3 L6 3.3LPremium Gasoline182521
2018Auto (S8), 6 cyl, 3.8 L6 3.8LRegular Gasoline172520
2018Auto (S8), 8 cyl, 5.0 L8 5.0LPremium Gasoline152318
2017Auto (S8), 6 cyl, 3.8 L6 3.8LRegular Gasoline172520
2017Auto (S8), 8 cyl, 5.0 L8 5.0LPremium Gasoline152318
2016Auto (S8), 6 cyl, 3.8 L6 3.8LRegular Gasoline172520
2016Auto (S8), 8 cyl, 5.0 L8 5.0LRegular Gasoline152218
2015Auto 8-spd, 6 cyl, 3.8 L6 3.8LRegular Gasoline182621
2015Auto 8-spd, 8 cyl, 5.0 L8 5.0LPremium Gasoline152318

Data sourced from fueleconomy.gov (U.S. Department of Energy). MPG figures are EPA-tested. Fuel costs are estimates based on average fuel prices and 15,000 miles/year.

Kia K900 MPG FAQ

What is the MPG of the Kia K900?

The Kia K900 gets up to 21 MPG combined (18 city / 25 highway) in the 2020 model year. Fuel economy varies by engine and trim — see the full table above for details.

Which Kia K900 trim has the best fuel economy?

The Auto (S8), 6 cyl, 3.3 L trim offers the best combined fuel economy at 21 MPG. Smaller engines and front-wheel-drive configurations typically achieve the highest MPG.

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