Based on data from 32 vehicles, 1,457 fuel-ups and 349,654 miles of driving, the 2008 Porsche Cayman gets a combined Avg MPG of 19.58 with a 0.21 MPG margin of error.

Any Engine Type 2.7L H6 GAS (10) 3.4L H6 GAS (18) H6 GAS (4) Any Body Style Hatchback (7) Any Submodel Base (10) S (18) Other (4)

Below you can see a distribution of the fuel-ups with 69 outliers (4.52%) removed.

Following shows the average MPG of each of the 32 vehicles in the system.

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• Porsche

  2008 Porsche Cayman 2.7L H6 GAS Standard 5 Speed
  Added Sep 2016 • 198 Fuel-ups

  Property of andreyew

• 19.4 Avg MPG

• My Cayman

  2008 Porsche Cayman S 3.4L H6 GAS Manual 6 Speed Hatchback
  Added Mar 2017 • 140 Fuel-ups

  Property of BToddB

• 19.9 Avg MPG

• My Cayman

  2008 Porsche Cayman S 3.4L H6 GAS Manual 6 Speed
  Added May 2021 • 93 Fuel-ups

  Property of charliemonster42

• 19.3 Avg MPG

• My Cayman

  2008 Porsche Cayman S 3.4L H6 GAS Automatic 5 Speed
  Added Jun 2023 • 6 Fuel-ups

  Property of countylawyer

• 19.2 Avg MPG

• Bayou

  2008 Porsche Cayman 2.7L H6 GAS Manual 5 Speed
  Added Sep 2020 • 60 Fuel-ups

  Property of MrClean

• 22.6 Avg MPG

• My Cayman

  2008 Porsche Cayman S 3.4L H6 GAS Manual 6 Speed
  Added Sep 2021 • 14 Fuel-ups

  Property of mtwedt

• 21.7 Avg MPG

• White Cayman

  2008 Porsche Cayman 2.7L H6 GAS Manual 5 Speed
  Added May 2023 • 13 Fuel-ups

  Property of sad_but_true1

• 16.2 Avg MPG

• Cayman

  2008 Porsche Cayman S 3.4L H6 GAS Manual 6 Speed
  Added Sep 2020 • 17 Fuel-ups

  Property of mileage11

• 21.1 Avg MPG

• Cayman

  2008 Porsche Cayman 2.7L H6 GAS Automatic 5 Speed
  Added Jul 2019 • 52 Fuel-ups

  Property of madScarab

• 22.4 Avg MPG

• My Cayman

  2008 Porsche Cayman S 3.4L H6 GAS Manual 6 Speed
  Added Mar 2020 • 30 Fuel-ups

  Property of minimonkey

• 19.7 Avg MPG

• Porsche Cayman

  2008 Porsche Cayman S 3.4L H6 GAS Manual 6 Speed
  Added Apr 2020 • 25 Fuel-ups

  Property of tptran

• 18.1 Avg MPG

• Porsche Cayman 2.7

  2008 Porsche Cayman 2.7L H6 GAS Manual 5 Speed Hatchback
  Added Nov 2020 • 23 Fuel-ups

  Property of r36

• 25.3 Avg MPG

• Cayman

  2008 Porsche Cayman 2.7L H6 GAS Standard 5 Speed
  Added Sep 2016 • 17 Fuel-ups

  Property of byrd757

• 18.1 Avg MPG

• Porker

  2008 Porsche Cayman GAS H6
  Added Jun 2013 • 94 Fuel-ups

  Property of porkerparty

• 17.1 Avg MPG

• My Cayman

  2008 Porsche Cayman 2.7L H6 GAS Manual 5 Speed
  Added Jan 2020 • 42 Fuel-ups

  Property of Kinetic

• 19.8 Avg MPG

• Steve’s Cayman S

  2008 Porsche Cayman S 3.4L H6 GAS Manual 6 Speed
  Added Apr 2021 • 11 Fuel-ups

  Property of VAXIN8

• 16.9 Avg MPG

• Cayman

  2008 Porsche Cayman 2.7L H6 GAS Manual 6 Speed Hatchback
  Added Mar 2017 • 68 Fuel-ups

  Property of mnashelsky

• 23.8 Avg MPG

• Cayman S

  2008 Porsche Cayman S 3.4L H6 GAS Manual 6 Speed
  Added Aug 2016 • 27 Fuel-ups

  Property of Deezil

• 18.8 Avg MPG

• Azreal

  2008 Porsche Cayman 2.7L H6 GAS Manual 5 Speed Hatchback
  Added Jan 2019 • 46 Fuel-ups

  Property of demigorge

• 21.4 Avg MPG

• Cayman S

  2008 Porsche Cayman S 3.4L H6 GAS Standard 6 Speed
  Added Sep 2016 • 106 Fuel-ups

  Property of motherFNbrandon

• 19.3 Avg MPG

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