Based on data from 38 vehicles, 1,959 fuel-ups and 413,128 miles of driving, the 2003 Porsche 911 gets a combined Avg MPG of 18.67 with a 0.19 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 (2.54%) removed.

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

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• 911

  2003 Porsche 911 Carrera 3.6L H6 GAS Manual 6 Speed
  Added Mar 2022 • 37 Fuel-ups

  Property of klarebearstare

• 19.5 Avg MPG

• 996tt

  2003 Porsche 911 Turbo 3.6L H6 GAS Manual 6 Speed Coupe
  Added Oct 2014 • 176 Fuel-ups

  Property of kfanciu

• 15.7 Avg MPG

• Porsche 911

  2003 Porsche 911 Carrera 3.6L H6 GAS Manual 6 Speed
  Added Mar 2017 • 78 Fuel-ups

  Property of punkmeetspop

• 17.6 Avg MPG

• My 911

  2003 Porsche 911 Carrera 4S 3.6L H6 GAS Automatic 5 Speed
  Added Jan 2022 • 179 Fuel-ups

  Property of mjj954

• 17.5 Avg MPG

• 996.2

  2003 Porsche 911 Carrera 3.6L H6 GAS Manual 6 Speed Coupe
  Added Jun 2023 • 12 Fuel-ups

  Property of MrBen1

• 21.6 Avg MPG

• 911

  2003 Porsche 911 Carrera 3.6L H6 GAS Manual 6 Speed
  Added Apr 2021 • 81 Fuel-ups

  Property of jbwcfp

• 32.1 Avg MPG

• Porsche

  2003 Porsche 911 Carrera 3.6L H6 GAS
  Added Nov 2017 • 40 Fuel-ups

  Property of Kartboy

• 14.9 Avg MPG

• Porsche 911C2

  2003 Porsche 911 Carrera 3.6L H6 GAS Manual 6 Speed Coupe
  Added Jan 2017 • 35 Fuel-ups

  Property of cvega

• 21.3 Avg MPG

• 911tt

  2003 Porsche 911 Carrera
  Added Jun 2014 • 100 Fuel-ups

  Property of speedlove79

• 16.7 Avg MPG

• Porsche 911 Carrera 4S

  2003 Porsche 911 Carrera 4S 3.6L H6 GAS Manual 6 Speed
  Added Jan 2022 • 45 Fuel-ups

  Property of SpeedPunk

• 22.5 Avg MPG

• 911

  2003 Porsche 911 Carrera 3.6L H6 GAS Manual 6 Speed Coupe
  Added Apr 2021 • 58 Fuel-ups

  Property of realityagent

• 14.9 Avg MPG

• My 911

  2003 Porsche 911 Carrera 3.6L H6 GAS Manual 6 Speed
  Added May 2023 • 10 Fuel-ups

  Property of Philvrs

• 20.8 Avg MPG

• 911 turbo

  2003 Porsche 911 Turbo 3.6L H6 GAS Automatic 5 Speed
  Added Mar 2017 • 205 Fuel-ups

  Property of tedlint

• 18.0 Avg MPG

• 996 Turbo X50

  2003 Porsche 911 Turbo 3.6L H6 GAS Manual 6 Speed
  Added May 2011 • 73 Fuel-ups

  Property of RichL

• 20.8 Avg MPG

• 996TT

  2003 Porsche 911 Turbo 3.6L H6 GAS Standard 6 Speed Coupe
  Added Feb 2018 • 204 Fuel-ups

  Property of nozzle

• 21.7 Avg MPG

• 996

  2003 Porsche 911 Carrera 3.6L H6 GAS Manual 6 Speed
  Added Sep 2022 • 103 Fuel-ups

  Property of chrislum

• 20.6 Avg MPG

• Colette's 911

  2003 Porsche 911 Carrera 3.6L H6 GAS Standard 6 Speed
  Added Oct 2016 • 12 Fuel-ups

  Property of jim996

• 41.5 Avg MPG

• Porsche

  2003 Porsche 911 Carrera 4S 3.6L H6 GAS Automatic 5 Speed Coupe
  Added Jun 2016 • 31 Fuel-ups

  Property of SamuraiDak

• 17.5 Avg MPG

• Porsche

  2003 Porsche 911 Carrera 3.6L H6 GAS Standard 6 Speed
  Added Mar 2017 • 112 Fuel-ups

  Property of pdog123456789

• 21.7 Avg MPG

• 2003 911 cabriolet

  2003 Porsche 911 Carrera 3.6L H6 GAS Automatic 5 Speed
  Added May 2017 • 13 Fuel-ups

  Property of cnitschke

• 21.0 Avg MPG

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