2018 Porsche Cayman S

Sports Car Premium
Porsche Cayman S 2018
24MPG Combined
2 Trims
← 2017 2018 2019 →
Updated February 27, 2026

The 2018 Porsche Cayman S is a Sports Car that delivers 22–24 combined MPG depending on trim. Here’s everything you need to know about this vehicle, from fuel economy to safety ratings.

2018 Porsche Cayman S Specifications

SpecValue
Combined MPG22–24 combined MPG depending on trim
City MPG21
Highway MPG28
Body StyleSports Car
Fuel TypePremium
DriveRWD
Available Trims2

Available Trims

TrimMPG (City/Hwy/Combined)EngineTransmission
Man20/26/222.5L 4cylManual 6-spd
4 cyl21/28/242.5L 4cylAutomatic (AM-S7)

Annual Fuel Cost

Based on EPA estimates, the 2018 Porsche Cayman S costs approximately $2,550 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.

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