Based on data from 37 vehicles, 1,363 fuel-ups and 341,989 miles of driving, the 2006 Porsche Cayman gets a combined Avg MPG of 20.64 with a 0.20 MPG margin of error.

Any Engine Type 3.4L H6 GAS (28) H6 GAS (9) Any Body Style Hatchback (13) Coupe (1) Any Submodel S (28) Other (9)

Below you can see a distribution of the fuel-ups with 52 outliers (3.67%) removed.

Following shows the average MPG of each of the 37 vehicles in the system.

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• Cayman S

  2006 Porsche Cayman S 3.4L H6 GAS Manual 6 Speed Hatchback
  Added Oct 2017 • 89 Fuel-ups

  Property of SleeplessEngineer

• 16.7 Avg MPG

• Onyx the Cayman

  2006 Porsche Cayman S 3.4L H6 GAS Manual 6 Speed
  Added Apr 2022 • 44 Fuel-ups

  Property of BlackLion

• 19.9 Avg MPG

• My Cayman

  2006 Porsche Cayman S 3.4L H6 GAS Manual 6 Speed
  Added Mar 2022 • 46 Fuel-ups

  Property of triplebts

• 17.7 Avg MPG

• 2006 Cayman S

  2006 Porsche Cayman S 3.4L H6 GAS Manual 6 Speed Hatchback
  Added Jun 2021 • 54 Fuel-ups

  Property of NitroSpazzz

• 25.5 Avg MPG

• Kay

  2006 Porsche Cayman S 3.4L H6 GAS Manual 6 Speed Hatchback
  Added Sep 2020 • 20 Fuel-ups

  Property of arthurc604

• 19.0 Avg MPG

• My Cayman

  2006 Porsche Cayman S 3.4L H6 GAS Manual 6 Speed
  Added Feb 2020 • 18 Fuel-ups

  Property of pjriley314

• 18.1 Avg MPG

• My Cayman

  2006 Porsche Cayman S 3.4L H6 GAS Manual 6 Speed
  Added Oct 2021 • 5 Fuel-ups

  Property of mclayborn79

• 19.5 Avg MPG

• Cayman S

  2006 Porsche Cayman S 3.4L H6 GAS Manual 6 Speed
  Added Jun 2022 • 5 Fuel-ups

  Property of ebanks1966

• 12.9 Avg MPG

• Porsche Cayman S

  2006 Porsche Cayman S 3.4L H6 GAS Standard 6 Speed
  Added Sep 2016 • 84 Fuel-ups

  Property of ragewhale

• 21.1 Avg MPG

• Cayman S

  2006 Porsche Cayman S 3.4L H6 GAS Manual 6 Speed
  Added Mar 2019 • 27 Fuel-ups

  Property of pt00323i

• 19.0 Avg MPG

• My Cayman

  2006 Porsche Cayman GAS H6
  Added Mar 2012 • 14 Fuel-ups

  Property of IllogicalBeetle

• 20.7 Avg MPG

• My Cayman

  2006 Porsche Cayman S 3.4L H6 GAS Standard 6 Speed
  Added Aug 2017 • 34 Fuel-ups

  Property of tritunes

• 22.0 Avg MPG

• Cayman

  2006 Porsche Cayman S 3.4L H6 GAS Manual 6 Speed Hatchback
  Added Jan 2021 • 4 Fuel-ups

  Property of colly

• 17.7 Avg MPG

• Cayman

  2006 Porsche Cayman S 3.4L H6 GAS Manual 6 Speed Hatchback
  Added Nov 2016 • 70 Fuel-ups

  Property of precayludeman

• 21.2 Avg MPG

• Porsche Cayman

  2006 Porsche Cayman S 3.4L H6 GAS Standard 6 Speed
  Added Aug 2016 • 59 Fuel-ups

  Property of rcgordon

• 20.3 Avg MPG

• Summer Cayman S

  2006 Porsche Cayman S 3.4L H6 GAS Manual 6 Speed Hatchback
  Added Apr 2015 • 24 Fuel-ups

  Property of Robbo426

• 22.1 Avg MPG

• Cayman S

  2006 Porsche Cayman S 3.4L H6 GAS Manual 6 Speed Hatchback
  Added May 2019 • 12 Fuel-ups

  Property of runterob

• 24.3 Avg MPG

• Porsche Cayman S

  2006 Porsche Cayman S 3.4L H6 GAS Manual 6 Speed Hatchback
  Added Aug 2015 • 125 Fuel-ups

  Property of sgtsolo

• 22.9 Avg MPG

• My Cayman

  2006 Porsche Cayman S 3.4L H6 GAS Standard 6 Speed
  Added Sep 2018 • 23 Fuel-ups

  Property of jdallasries

• 17.1 Avg MPG

• Cayman S

  2006 Porsche Cayman S 3.4L H6 GAS Standard 6 Speed Hatchback
  Added Jun 2019 • 28 Fuel-ups

  Property of eoshrin

• 18.7 Avg MPG

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