Based on data from 38 vehicles, 1,832 fuel-ups and 388,824 miles of driving, the 2003 Porsche 911 gets a combined Avg MPG of 18.72 with a 0.20 MPG margin of error.

Any Engine Type 3.6L H6 GAS (33) H6 GAS (4) Any Body Style Coupe (9) Convertible (2) Any Submodel Carrera 4 (1) Targa (1) Turbo (6) Carrera 4S (6) Carrera (20) Other (4)

Below you can see a distribution of the fuel-ups with 51 outliers (2.71%) removed.

Following shows the average MPG of each of the 38 vehicles in the system.

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• My 911

  2003 Porsche 911 Carrera 3.6L H6 GAS Manual 6 Speed
  Added Nov 2020 • 10 Fuel-ups

  Property of aboutachou

• 19.4 Avg MPG

• My 911

  2003 Porsche 911 Targa 3.6L H6 GAS Manual 6 Speed
  Added Jun 2020 • 57 Fuel-ups

  Property of hansenindustries

• 20.2 Avg MPG

• 996

  2003 Porsche 911 Turbo 3.6L H6 GAS Standard 6 Speed
  Added Mar 2017 • 23 Fuel-ups

  Property of kbarcomb

• 19.9 Avg MPG

• Porsche

  2003 Porsche 911 Carrera 3.6L H6 GAS Standard 7 Speed Convertible
  Added Oct 2017 • 32 Fuel-ups

  Property of KAB1

• 22.5 Avg MPG

• 2003 911

  2003 Porsche 911 Carrera 3.6L H6 GAS Standard 6 Speed
  Added Oct 2016 • 32 Fuel-ups

  Property of suttlestx

• 17.8 Avg MPG

• Turbo

  2003 Porsche 911 Turbo 3.6L H6 GAS Standard 6 Speed Coupe
  Added Sep 2016 • 54 Fuel-ups

  Property of wicelt

• 18.1 Avg MPG

• My 911

  2003 Porsche 911 Carrera 4S 3.6L H6 GAS Standard 6 Speed
  Added Mar 2016 • 32 Fuel-ups

  Property of frimodt

• 17.3 Avg MPG

• My 911

  2003 Porsche 911 Carrera 3.6L H6 GAS Standard 6 Speed
  Added Jul 2017 • 6 Fuel-ups

  Property of cpepper95129

• 20.6 Avg MPG

• Houseguest

  2003 Porsche 911 Carrera 3.6L H6 GAS Standard 6 Speed
  Added Dec 2016 • 10 Fuel-ups

  Property of bullit71

• 79.5 Avg MPG

• Very Naughty Car

  2003 Porsche 911 Carrera 4 3.6L H6 GAS Standard 6 Speed Convertible
  Added Jun 2013 • 27 Fuel-ups

  Property of ShutterBugs

• 20.4 Avg MPG

• My 911

  2003 Porsche 911 Carrera 3.6L H6 GAS Standard 6 Speed Coupe
  Added Aug 2016 • 59 Fuel-ups

  Property of nscosta

• 23.7 Avg MPG

• Porsche

  2003 Porsche 911 Carrera 3.6L H6 GAS Standard 6 Speed
  Added Jul 2018 • 25 Fuel-ups

  Property of cg1308

• 18.9 Avg MPG

• 996 C4S

  2003 Porsche 911 Carrera 4S 3.6L H6 GAS Manual 6 Speed Coupe
  Added Jun 2019 • 106 Fuel-ups

  Property of Nadeau2112

• 16.7 Avg MPG

• Pork

  2003 Porsche 911 GAS H6
  Added Apr 2014 • 4 Fuel-ups

  Property of Radaruk

• 18.7 Avg MPG

• 2003 Porsche Carerra 4S

  2003 Porsche 911 GAS H6
  Added May 2014 • 10 Fuel-ups

  Property of dieselinmycoffee

• 18.6 Avg MPG

• 911

  2003 Porsche 911 H6 GAS
  Added Sep 2013 • 45 Fuel-ups

  Property of xxaarraa

• 21.2 Avg MPG

• C4S - Arctic Silver

  2003 Porsche 911 Carrera 4S 3.6L H6 GAS Automatic 5 Speed
  Added Jan 2014 • 20 Fuel-ups

  Property of mcbit

• 16.4 Avg MPG

• Billys 911 Turbo

  2003 Porsche 911 GAS H6
  Added Jan 2014 • 12 Fuel-ups

  Property of bmdfmd

• 11.5 Avg MPG

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