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2023 Porsche 911 GT3 RS fuel economy

The EPA rates the 2023 Porsche 911 GT3 RS at 16 MPG combined (14 city / 18 highway).

At a glance

Combined
16 MPG
City and highway
14 and 18 most efficient version
Yearly fuel cost
$5,150 EPA estimate, most efficient version

Source: U.S. EPA fueleconomy.gov

Every version the EPA tested

VersionEngineDriveCityHighwayCombinedYearly fuel cost
911 GT3 RS
Automatic (AM-S7)
6-cyl 4.0L Rear-Wheel Drive 141816 MPG $5,150
EPA estimates under standard test conditions. Your mileage will vary with driving style, load and weather.

At EPA assumptions, the most efficient version costs about $5,150 per year in fuel.

Work out what this car would cost you in fuel each year

Fuel economy in other model years