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  • Gas
  • Large cars
  • MY2015–2020

Kia K900 MPG & Fuel Cost by Year

6 model years · 2015–2020

21 MPG
Combined
18 MPG
City
25 MPG
Highway
Annual cost · MY2020 K900 3.3L 6-cyl turbo AWD
$3,850

15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)

All Kia models

Kia K900 fuel economy at a glance

EPA has rated the Kia K900 for 6 model years, 2015 to 2020. Across those years its combined rating runs 18–21 MPG. The latest model year, 2020, has 1 configuration rated 21 MPG combined and costing $3,850 a year to fuel at premium gasoline $5.36/gal (U.S. average, Sep 2026). The most efficient configuration on record since 2015 is the 2020 K900 3.3L 6-cyl turbo AWD, at 21 MPG.

Kia K900 MPG by year

182022 201520192020 Gas 182022 201520192020 Gas
Combined MPG: the line is the most efficient configuration, the shaded band reaches down to the least efficient. Dotted lines mark new generations.
Kia K900: combined fuel economy and annual fuel cost for each model year, grouped by generation
Year Gas (MPG) $/yr
2019-2020 (RJ) Generation page
2020 21 $3,850
2019 21 $3,850
2015-2018 (KH) Generation page
2018 18–20 $3,270–$4,570
2017 18–20 $3,270–$4,570
2016 18–20 $3,270–$3,710
2015 18–21 $3,140–$4,520

Costs use the current EIA price set and 15,000 miles a year for every year, so years are comparable. Green marks the best year for each powertrain.

Kia K900 generations

2 generations between 2015 and 2020. Open one for the table of every model year and configuration.

2020 powertrain options

Gas · 3.3L
Combined
21 MPG
Per year
$3,850
See gas configurations
EPA ratings: fueleconomy.gov file of Sep 29, 2026 · premium gasoline $5.36/gal (U.S. average, Sep 2026) · 15,000 mi/yr, 55% city / 45% highway · How we calculate

Frequently asked questions

What is the Kia K900's gas mileage by year?

EPA combined ratings for the Kia K900 run 18–21 MPG across model years 2015 to 2020. The latest year, 2020, is rated 21 MPG.

Which Kia K900 model year has the best gas mileage?

The 2020 Kia K900 K900 3.3L 6-cyl turbo AWD has the highest combined rating since 2015, at 21 MPG.

How much does a Kia K900 cost to fuel per year?

For MY2020, EPA-rated configurations cost $3,850 a year to fuel, driving 15,000 miles at premium gasoline $5.36/gal (U.S. average, Sep 2026). The most efficient one costs $3,850.

Has the Kia K900's fuel economy improved over time?

Not much. The most efficient configuration is rated 21 MPG in both 2015 and 2020.

Which Kia K900 model years have the same ratings?

EPA lists identical ratings as the previous year for 2018, 2020. The generation pages mark those years "same EPA ratings" and point to the year that holds the full table.

How many generations of the Kia K900 are there?

EPA data covers 2 generations of the Kia K900: 2019-2020, 2015-2018. Each has its own page with a table for every model year.