Photo: Porsche 718 Cayman by Jakub "flyz1" Maciejewski, CC BY-SA 3.0, via Wikimedia Commons. It shows the model, not always this exact version.
Porsche · model year 2025
2025 Porsche 718 Cayman S
Two Seaters · Rear-Wheel Drive · Gas · EPA class: Two Seaters
Where it places
- 10 Fuel-efficient two-seat sports cars
Ordered by combined MPG #10 of 56 - 253 Fuel-efficient cars
Ordered by combined MPG #253 of 401 - 969 2025 cars and trucks
Every car of that year, A to Z #969 of 1,273 - 69 Porsche cars
Every model year, newest first #69 of 1,602 - 1393 Gas and hybrid cars by fuel cost
Ordered by fuel a year #1393 of 2,158
Against fuel-efficient two-seat sports cars
The CarCody take
The 2025 Porsche 718 Cayman S is a gasoline two-seater with rear-wheel drive, a 2.5-liter turbocharged four-cylinder engine, and an automatic transmission. Its EPA combined rating is 22 MPG, with 19 MPG in city driving and 25 MPG on the highway. EPA estimates annual fuel cost at $3,750 and tailpipe CO2 at 410 grams per mile.
Good to know
- 22 MPG combined EPA rating
- 25 MPG highway rating
- Rear-wheel drive
- 2.5-liter turbocharged four-cylinder engine
Watch for
- 19 MPG city rating
- $3,750 EPA annual fuel-cost estimate
- Two-seat body limits passenger space
- 410 grams of CO2 per mile
Who it suits. Drivers seeking a two-seat, rear-wheel-drive Porsche Highway-focused sports-car use
Choose the 2025 Porsche 718 Cayman S for its two-seat layout, rear-wheel-drive setup, and turbocharged four-cylinder engine. Plan around 22 MPG combined, with city driving rated at 19 MPG and highway travel at 25 MPG. The EPA’s $3,750 annual fuel-cost estimate and 410 grams of tailpipe CO2 per mile make its operating profile clear. It is a choice for drivers comfortable with its two-seat layout and 22 MPG combined rating.
What it is
The 2025 Porsche 718 Cayman S is a two-seat car from Porsche’s 718 family. It uses rear-wheel drive and gasoline power.
Its powertrain pairs a 2.5-liter turbocharged four-cylinder engine with an automatic transmission.
The numbers
The figure to watch is 22 MPG combined. The EPA rating is 19 MPG in city driving and 25 MPG on the highway.
That split shows how driving conditions affect fuel use: stop-and-go city trips rate lower, while steady highway travel rates higher.
What it costs to run
The EPA annual fuel-cost estimate is $3,750. The car’s tailpipe output is 410 grams of CO2 per mile.
Your actual spending will depend on how much you drive and the mix of city and highway miles.
How it compares
Use the 22 MPG combined figure when reviewing entries in the fuel-efficient sports-car list. You can also place it beside other Porsche cars or browse the wider fuel-efficient car list.
Who it suits
This car fits a buyer who wants a gasoline two-seater with rear-wheel drive and accepts the running cost that comes with a 22 MPG combined rating.
Its EPA figures suit someone whose driving includes highway miles, where the rating reaches 25 MPG, as well as city use.
Trade-offs
The 2.5-liter turbo four-cylinder and rear-wheel-drive layout define the car’s two-seat format.
Fuel economy is lower in city driving at 19 MPG than on the highway at 25 MPG, and the EPA annual fuel-cost estimate is $3,750.
Verdict
The 718 Cayman S makes sense when a two-seat Porsche with rear-wheel drive is the priority. Its 22 MPG combined rating gives you a clear fuel-use baseline, while the 19 city and 25 highway figures show where it uses more or less gasoline. The $3,750 EPA annual fuel-cost estimate is a meaningful part of ownership planning. Buyers who need room beyond two seats or want lower fuel spending should compare its numbers with other cars before deciding.
Every figure on record
- Combined MPG
- 22 MPG
- City MPG
- 19 MPG
- Highway MPG
- 25 MPG
- Annual fuel cost
- $3,750
- Tailpipe CO₂
- 410 g per mile
- Model year
- 2025
- Body
- Car
- EPA size class
- Two Seaters
- Drive
- Rear-Wheel Drive
- Engine
- 2.5 L 4-cyl turbo
- Transmission
- Automatic (AM-S7)
- Fuel
- Gasoline
Questions
What is the 2025 Porsche 718 Cayman S combined MPG?
The EPA combined rating is 22 MPG.
What are its city and highway MPG ratings?
It is rated at 19 MPG in the city and 25 MPG on the highway.
How much does it cost to fuel each year?
The EPA annual fuel-cost estimate is $3,750.
What engine does the 718 Cayman S use?
It has a 2.5-liter turbocharged four-cylinder gasoline engine.
Is the 718 Cayman S rear-wheel drive?
Yes. The listed drivetrain is rear-wheel drive.
How many seats does it have?
The EPA class is Two Seaters, so it is a two-seat car.
How much tailpipe CO2 does it emit?
Its listed tailpipe output is 410 grams of CO2 per mile.
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