2018 Porsche 911 GT3 MPG and Fuel Economy

🛣 How Many Miles per Gallon (MPG) Does a 2018 Porsche 911 GT3 Get?

Across all models, the combined average MPG for the 2018 Porsche 911 GT3 is 17 miles per gallon.

The table below breaks down the MPG for each model option:

💵 What is the Average Yearly Fuel Cost for a 2018 Porsche 911 GT3?

The average fuel costs for all models of the 2018 Porsche 911 GT3 is $4,475.

The average fuel costs have been estimated by government regulators based on 15,000 miles driven per year, using regular gasoline, and a split of 55% city driving and 45% highway driving.

Comparing a 2018 Porsche 911 GT3 to an average vehicle over 5 years, you will spend $10,875 more on fuel.

The table below shows the fuel costs and 5-year save/spend for each model option:

The 2018 Porsche 911 GT3 is also subject to the Gas Guzzler Tax, which is a federal tax on vehicles that has a combined MPG of less than 22.5.

The tables below show how much you can expect to pay in Gas Guzzler taxes.

🛢 How Many Barrels of Petroleum Does a 2018 Porsche 911 GT3 Consume?

Across all models, the average number barrels of petroleum that the 2018 Porsche 911 GT3 will consume in one year is 19 barrels.

The majority of the world's petroleum is sourced from countries like Saudi Arabia, Russia, Iraq, and the United States.

💨 How Many Grams of CO₂ Does a 2018 Porsche 911 GT3 Emit?

The 2018 Porsche 911 GT3 will emit an average of about 8,160,000 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 278 trees would be needed to offset emissions from the 2018 Porsche 911 GT3.

Overview

The tables below cover all of the miles per gallon, engine specifications, and emission details we have for the 2 2018 Porsche 911 GT3 model options.