
REAL MPG:
Porsche 718 Cayman (2016 on)
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23–40
Real MPG
33.6
Average
Brilliant to drive. Feels more special than mainstream alternatives.
Four-cylinder engines won't appeal to everyone. Not as practical or as modern inside as rivals.
Select engine for more Real MPG information:
Engine | Official MPG | Real MPG Avg. | Real MPG % | |
Cayman | 38.2 mpg | 34.8 mpg | 91% | ![]() |
Cayman GTS | 31.4 mpg | - | - | ![]() |
Cayman GTS PDK | 33.2 mpg | - | - | ![]() |
Cayman PDK | 35.8–40.9 mpg | 36.5 mpg | 95% | ![]() |
Cayman S | 34.9 mpg | 23.8 mpg | 68% | ![]() |
Cayman S PDK | 38.7 mpg | - | - | ![]() |
Read the Honest John review...
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Porsche 718 Cayman (2016 on)
Brilliant to drive. Feels more special than mainstream alternatives.
Rivals
Porsche 718 Cayman (2016 on) | 33.6 | avg mpg |
Jaguar F-Type Coupe (2014 on) | 29.6 | avg mpg |
Audi TT RS (2016 on) | 29.3 | avg mpg |
Ford Mustang (2015 on) | 25.6 | avg mpg |