2023 Porsche 718 Cayman MPG and Fuel Economy

On this page, you will find a complete guide to the miles per gallon and fuel efficiency data for the 2023 Porsche 718 Cayman.

The 2023 Porsche 718 Cayman has 2 model options: Automatic (AM-S7) 4-cyl, 2.0 L and Manual 6-spd 4-cyl, 2.0 L.

The 2023 Porsche 718 Cayman Automatic (AM-S7) 4-cyl, 2.0 L runs on premium gasoline and is in the Two Seaters car class.

The 2023 Porsche 718 Cayman Manual 6-spd 4-cyl, 2.0 L runs on premium gasoline and is in the Two Seaters car class.

🛣 How Many Miles per Gallon (MPG) Does a 2023 Porsche 718 Cayman Get?

Across all models, the combined average MPG for the 2023 Porsche 718 Cayman is 23 miles per gallon.

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

Model OptionCombined MPGCity MPGHighway MPG
Automatic (AM-S7) 4-cyl, 2.0 L242127
Manual 6-spd 4-cyl, 2.0 L222025

💵 What is the Average Yearly Fuel Cost for a 2023 Porsche 718 Cayman?

The average fuel costs for all models of the 2023 Porsche 718 Cayman is $2,775.

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 2023 Porsche 718 Cayman to an average vehicle over 5 years, you will spend $4,875 more on fuel.

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

Model OptionFuel Cost5-Year Save/Spend
Automatic (AM-S7) 4-cyl, 2.0 L$2,650spend $4,250 more
Manual 6-spd 4-cyl, 2.0 L$2,900spend $5,500 more

🛢 How Many Barrels of Petroleum Does a 2023 Porsche 718 Cayman Consume?

Across all models, the average number barrels of petroleum that the 2023 Porsche 718 Cayman will consume in one year is 13 barrels.

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

Model OptionBarrels
Automatic (AM-S7) 4-cyl, 2.0 L12
Manual 6-spd 4-cyl, 2.0 L14

💨 How Many Grams of CO2 Does a 2023 Porsche 718 Cayman Emit?

The 2023 Porsche 718 Cayman will emit an average of about 5,880,000 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 200 trees would be needed to offset emissions from the 2023 Porsche 718 Cayman.

Overview

The tables below cover all of the miles per gallon, engine specifications, and emission details we have for the 2 2023 Porsche 718 Cayman model options.

Automatic (AM-S7) 4-cyl, 2.0 L

The table below contains all of the details we have for the 2023 Porsche 718 Cayman Automatic (AM-S7) 4-cyl, 2.0 L:

City MPG21
Highway MPG27
Combined MPG24
Save/Spend vs Average CarSpend $4,250
Fuel Cost$2,650
Fuel Type 1Premium
Barrels of Petroleum12
Grams of CO25,625,000
Trees Needed to Offset268
DriveRear-Wheel Drive
Cylinders4
Displacement2
TransmissionAutomatic (AM-S7)
Vehicle ClassTwo Seaters
Start/Stop?Yes
Supercharged?No
Turbocharged?Yes

Manual 6-spd 4-cyl, 2.0 L

The table below contains all of the details we have for the 2023 Porsche 718 Cayman Manual 6-spd 4-cyl, 2.0 L:

City MPG20
Highway MPG25
Combined MPG22
Save/Spend vs Average CarSpend $5,500
Fuel Cost$2,900
Fuel Type 1Premium
Barrels of Petroleum14
Grams of CO26,135,000
Trees Needed to Offset292
DriveRear-Wheel Drive
Cylinders4
Displacement2
TransmissionManual 6-spd
Vehicle ClassTwo Seaters
Start/Stop?Yes
Supercharged?No
Turbocharged?Yes

Link To or Reference This Page

If you use this page in your research, please reference MPG Buddy as the source.

  • "2023 Porsche 718 Cayman MPG and Fuel Economy." MPG Buddy. Accessed on December 27, 2025. https://mpgbuddy.com/cars/porsche/718-cayman/2023.

  • "2023 Porsche 718 Cayman MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/porsche/718-cayman/2023. Accessed December 27, 2025.

  • 2023 Porsche 718 Cayman MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/porsche/718-cayman/2023.