2018 Kia Sedona SXL 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 Sedona SXL.

The 2018 Kia Sedona SXL runs on regular gasoline and is in the Minivan - 2WD car class.

Whether you are considering a purchase of the car, or just wanting to find out how economical and environmentally friendly (or un-friendly) your 2018 Kia Sedona SXL is, we have the information you need.

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

First off, the most commonly asked question. A 2018 Kia Sedona SXL gets up to 17 miles per gallon in the city, and 22 miles per gallon on the highway.

The combined average MPG for the 2018 Kia Sedona SXL is 19 miles per gallon.

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

The estimated fuel costs for the 2018 Kia Sedona SXL is $3,300 per year.

That value has 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.

If you were to compare a 2018 Kia Sedona SXL to an average vehicle over 5 years, you will spend $5,000 more on fuel.

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

The 2018 Kia Sedona SXL will consume roughly 16 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.

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

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

For every mile driven, the 2018 Kia Sedona SXL will emit 476 grams of CO2, which is about 7,140,000 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 243 trees would be needed to offset emissions from the 2018 Kia Sedona SXL.

Overview

The table below covers all of the miles per gallon, engine specifications, and emission details we have for the 2018 Kia Sedona SXL.

City MPG17
Highway MPG22
Combined MPG19
Save/Spend vs Average CarSpend $5,000
Fuel Cost$3,300
Fuel Type 1Regular
Barrels of Petroleum16
Grams of CO27,140,000
Trees Needed to Offset340
DriveFront-Wheel Drive
Cylinders6
Displacement3.3
TransmissionAutomatic (S6)
Vehicle ClassMinivan - 2WD
Start/Stop?No
Supercharged?No
Turbocharged?No

Related Kia Models from 2018

If you're interested in other Kia models from 2018, you can find them in the table below. You can click the model link to find miles per gallon and emission information for that model.

Link To or Reference This Page

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

  • "2018 Kia Sedona SXL MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/kia/sedona-sxl/2018.

  • "2018 Kia Sedona SXL MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/kia/sedona-sxl/2018. Accessed January 3, 2026.

  • 2018 Kia Sedona SXL MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/kia/sedona-sxl/2018.