Kia Optima Plug-in Hybrid MPG and Fuel Economy
Kia have been manufacturing models of Optima Plug-in Hybrid for 4 years, with the latest vehicle in 2020 having a combined MPG of 41.
The estimated fuel cost for the 2020 Kia Optima Plug-in Hybrid is $1,550 per year.
Government regulators have estimated that value based on 15,000 miles driven per year, using regular gasoline, and a split of 55% city driving and 45% highway driving.
💵 Compared to an average vehicle over 5 years, you will save $6,250 on fuel driving a 2020 Kia Optima Plug-in Hybrid.
🛢 The Kia Optima Plug-in Hybrid will consume roughly 3 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.
💨 For every mile driven, the Kia Optima Plug-in Hybrid will emit 97 grams of CO2, which is about 1,455,000 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 70 trees would be needed to offset emissions from the Kia Optima Plug-in Hybrid.
The table below is a complete list of the 4 Kia Optima Plug-in Hybrid fuel efficiency specifications we have data for.
Click any vehicle link to see a more detailed breakdown of the car, miles per gallon, emissions, and more.
| Vehicle | Combined MPG | Fuel Cost |
|---|---|---|
| 2020 Kia Optima Plug-in Hybrid | 41 | $1,550 |
| 2019 Kia Optima Plug-in Hybrid | 40 | $1,550 |
| 2018 Kia Optima Plug-in Hybrid | 40 | $1,550 |
| 2017 Kia Optima Plug-in Hybrid | 40 | $1,550 |
Link To or Reference This Page
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"Kia Optima Plug-in Hybrid MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/kia/optima-plug-in-hybrid.
"Kia Optima Plug-in Hybrid MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/kia/optima-plug-in-hybrid. Accessed January 3, 2026.
Kia Optima Plug-in Hybrid MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/kia/optima-plug-in-hybrid.