Toyota Prius Eco MPG and Fuel Economy

Toyota have been manufacturing models of Prius Eco for 7 years, with the latest vehicle in 2022 having a combined MPG of 56.

The estimated fuel cost for the 2022 Toyota Prius Eco is $1,100 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 $6,000 on fuel driving a 2022 Toyota Prius Eco.

🛢 The Toyota Prius Eco will consume roughly 5 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.

💨 For every mile driven, the Toyota Prius Eco will emit 158 grams of CO2, which is about 2,370,000 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 113 trees would be needed to offset emissions from the Toyota Prius Eco.

The table below is a complete list of the 7 Toyota Prius Eco 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.

Link To or Reference This Page

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

  • "Toyota Prius Eco MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/toyota/prius-eco.

  • "Toyota Prius Eco MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/toyota/prius-eco. Accessed January 3, 2026.

  • Toyota Prius Eco MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/toyota/prius-eco.