Porsche 911 GT3 RS MPG and Fuel Economy

Porsche have been manufacturing models of 911 GT3 RS for 6 years, with the latest vehicle in 2019 having a combined MPG of 16.

The estimated fuel cost for the 2019 Porsche 911 GT3 RS is $4,600 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 $11,500 more on fuel driving a 2019 Porsche 911 GT3 RS.

🛢 The Porsche 911 GT3 RS will consume roughly 19 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.

💨 For every mile driven, the Porsche 911 GT3 RS will emit 539 grams of CO2, which is about 8,085,000 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 385 trees would be needed to offset emissions from the Porsche 911 GT3 RS.

The table below is a complete list of the 6 Porsche 911 GT3 RS 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.

  • "Porsche 911 GT3 RS MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/porsche/911-gt3-rs.

  • "Porsche 911 GT3 RS MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/porsche/911-gt3-rs. Accessed January 3, 2026.

  • Porsche 911 GT3 RS MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/porsche/911-gt3-rs.