Porsche Boxster GTS MPG and Fuel Economy
Porsche have been manufacturing models of Boxster GTS for 4 years, with the latest vehicle in 2019 having a combined MPG of 21.
The estimated fuel cost for the 2019 Porsche Boxster GTS is $3,500 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 2019 Porsche Boxster GTS.
🛢 The Porsche Boxster GTS 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 Boxster GTS will emit 413 grams of CO2, which is about 6,195,000 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 295 trees would be needed to offset emissions from the Porsche Boxster GTS.
The table below is a complete list of the 4 Porsche Boxster GTS 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 |
|---|---|---|
| 2019 Porsche Boxster GTS | 21 | $3,500 |
| 2018 Porsche Boxster GTS | 21 | $3,500 |
| 2016 Porsche Boxster GTS | 22 | $3,350 |
| 2015 Porsche Boxster GTS | 22 | $3,350 |
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"Porsche Boxster GTS MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/porsche/boxster-gts.
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Porsche Boxster GTS MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/porsche/boxster-gts.