2018 Kia K900 MPG and Fuel Economy

On this page, you will find a complete guide to the miles per gallon and fuel efficiency data for the 2018 Kia K900.

The 2018 Kia K900 has 2 model options: Automatic (S8) 8-cyl, 5.0 L and Automatic (S8) 6-cyl, 3.8 L.

The 2018 Kia K900 Automatic (S8) 8-cyl, 5.0 L runs on premium gasoline and is in the Large Cars car class.

The 2018 Kia K900 Automatic (S8) 6-cyl, 3.8 L runs on regular gasoline and is in the Large Cars car class.

🛣 How Many Miles per Gallon (MPG) Does a 2018 Kia K900 Get?

Across all models, the combined average MPG for the 2018 Kia K900 is 19 miles per gallon.

The table below breaks down the MPG for each model option:

Model OptionCombined MPGCity MPGHighway MPG
Automatic (S8) 8-cyl, 5.0 L181523
Automatic (S8) 6-cyl, 3.8 L201725

💵 What is the Average Yearly Fuel Cost for a 2018 Kia K900?

The average fuel costs for all models of the 2018 Kia K900 is $3,625.

The average fuel costs have been estimated by government regulators based on 15,000 miles driven per year, using regular gasoline, and a split of 55% city driving and 45% highway driving.

Comparing a 2018 Kia K900 to an average vehicle over 5 years, you will spend $6,625 more on fuel.

The table below shows the fuel costs and 5-year save/spend for each model option:

Model OptionFuel Cost5-Year Save/Spend
Automatic (S8) 8-cyl, 5.0 L$4,100spend $9,000 more
Automatic (S8) 6-cyl, 3.8 L$3,150spend $4,250 more

🛢 How Many Barrels of Petroleum Does a 2018 Kia K900 Consume?

Across all models, the average number barrels of petroleum that the 2018 Kia K900 will consume in one year is 16 barrels.

The majority of the world's petroleum is sourced from countries like Saudi Arabia, Russia, Iraq, and the United States.

Model OptionBarrels
Automatic (S8) 8-cyl, 5.0 L17
Automatic (S8) 6-cyl, 3.8 L15

💨 How Many Grams of CO2 Does a 2018 Kia K900 Emit?

The 2018 Kia K900 will emit an average of about 7,200,000 grams of CO2 per year.

🌳 To help you understand the impact of this, a normal tree will absorb around 21,000 grams of CO2 per year. This means that roughly 245 trees would be needed to offset emissions from the 2018 Kia K900.

Overview

The tables below cover all of the miles per gallon, engine specifications, and emission details we have for the 2 2018 Kia K900 model options.

Automatic (S8) 8-cyl, 5.0 L

The table below contains all of the details we have for the 2018 Kia K900 Automatic (S8) 8-cyl, 5.0 L:

City MPG15
Highway MPG23
Combined MPG18
Save/Spend vs Average CarSpend $9,000
Fuel Cost$4,100
Fuel Type 1Premium
Barrels of Petroleum17
Grams of CO27,680,000
Trees Needed to Offset366
DriveRear-Wheel Drive
Cylinders8
Displacement5
TransmissionAutomatic (S8)
Vehicle ClassLarge Cars
Start/Stop?No
Supercharged?No
Turbocharged?No

Automatic (S8) 6-cyl, 3.8 L

The table below contains all of the details we have for the 2018 Kia K900 Automatic (S8) 6-cyl, 3.8 L:

City MPG17
Highway MPG25
Combined MPG20
Save/Spend vs Average CarSpend $4,250
Fuel Cost$3,150
Fuel Type 1Regular
Barrels of Petroleum15
Grams of CO26,720,000
Trees Needed to Offset320
DriveRear-Wheel Drive
Cylinders6
Displacement3.8
TransmissionAutomatic (S8)
Vehicle ClassLarge Cars
Start/Stop?No
Supercharged?No
Turbocharged?No

Link To or Reference This Page

If you use this page in your research, please reference MPG Buddy as the source.

  • "2018 Kia K900 MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/kia/k900/2018.

  • "2018 Kia K900 MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/kia/k900/2018. Accessed January 3, 2026.

  • 2018 Kia K900 MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/kia/k900/2018.