Porsche 718 Boxster S MPG and Fuel Economy
Porsche have been manufacturing models of 718 Boxster S for 3 years, with the latest vehicle in 2023 having a combined MPG of 21.
The estimated fuel cost for the 2023 Porsche 718 Boxster S is $3,000 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 spend $6,000 more on fuel driving a 2023 Porsche 718 Boxster S.
🛢 The Porsche 718 Boxster S will consume roughly 14 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.
💨 For every mile driven, the Porsche 718 Boxster S will emit 423 grams of CO2, which is about 6,345,000 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 303 trees would be needed to offset emissions from the Porsche 718 Boxster S.
The table below is a complete list of the 3 Porsche 718 Boxster S 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 |
|---|---|---|
| 2023 Porsche 718 Boxster S | 21 | $3,000 |
| 2022 Porsche 718 Boxster S | 21 | $3,500 |
| 2021 Porsche 718 Boxster S | 21 | $3,500 |
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"Porsche 718 Boxster S MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/porsche/718-boxster-s.
"Porsche 718 Boxster S MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/porsche/718-boxster-s. Accessed January 3, 2026.
Porsche 718 Boxster S MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/porsche/718-boxster-s.