REAL MPG:
Porsche 718 Cayman (2016 on)
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000011
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 | - | - | |
From which small car to buy at which price point to the best UK-built cars, our Top 10s have the lot. Click now for your shortlist.
Unsure of what to buy? Our Top 10s are here to help you....Read the Honest John review...
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Porsche 718 Cayman (2016 on)
Brilliant to drive. Feels more special than mainstream alternatives.
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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 |
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