Based on data from 18 vehicles, 552 fuel-ups and 120,699 miles of driving, the 2015 Porsche 911 gets a combined Avg MPG of 17.09 with a 0.47 MPG margin of error.

Any Engine Type 3.4L H6 GAS (1) 3.8L H6 GAS (17) Any Body Style Coupe (3) Convertible (1) Any Submodel Carrera (1) Carrera 4S (1) Carrera 4 GTS (1) Turbo (2) Carrera S (2) Carrera GTS (2) Turbo S (4) GT3 (5)

Below you can see a distribution of the fuel-ups with 13 outliers (2.30%) removed.

Following shows the average MPG of each of the 18 vehicles in the system.

• Porky

  2015 Porsche 911 Carrera GTS 3.8L H6 GAS Automatic Dual Clutch 7 Speed
  Added Jun 2022 • 26 Fuel-ups

  Property of DelLardo

• 20.6 Avg MPG

• My 911

  2015 Porsche 911 Carrera 3.4L H6 GAS Automatic Dual Clutch 7 Speed
  Added May 2022 • 22 Fuel-ups

  Property of ejim

• 21.4 Avg MPG

• 911 GT3

  2015 Porsche 911 GT3 3.8L H6 GAS Automatic Dual Clutch 7 Speed
  Added Oct 2022 • 4 Fuel-ups

  Property of fuelburner

• 16.4 Avg MPG

• Porsche 911 Carrera S

  2015 Porsche 911 Carrera S 3.8L H6 GAS Automatic Dual Clutch 7 Speed
  Added Nov 2020 • 21 Fuel-ups

  Property of MTSB

• 15.1 Avg MPG

• My 911

  2015 Porsche 911 GT3 3.8L H6 GAS Automatic Dual Clutch 7 Speed
  Added Nov 2022 • 5 Fuel-ups

  Property of jtsang5387

• 15.6 Avg MPG

• My 911

  2015 Porsche 911 Turbo 3.8L H6 GAS Automatic Dual Clutch 7 Speed
  Added Aug 2022 • 5 Fuel-ups

  Property of GatorBait2001

• 16.6 Avg MPG

• Brown

  2015 Porsche 911 Carrera S 3.8L H6 GAS Automatic Dual Clutch 7 Speed Convertible
  Added Jun 2022 • 23 Fuel-ups

  Property of Jbb

• 23.8 Avg MPG

• My 911

  2015 Porsche 911 Turbo S 3.8L H6 GAS Automatic Dual Clutch 7 Speed
  Added Jul 2021 • 11 Fuel-ups

  Property of threejump

• 17.6 Avg MPG

• Turbo S

  2015 Porsche 911 Turbo S 3.8L H6 GAS Automatic Dual Clutch 7 Speed
  Added Apr 2021 • 67 Fuel-ups

  Property of acree386

• 14.8 Avg MPG

• Porsche 911 Turbo S

  2015 Porsche 911 Turbo S 3.8L H6 GAS Automatic Dual Clutch 7 Speed
  Added Sep 2021 • 3 Fuel-ups

  Property of cioannides

• 19.4 Avg MPG

• Sports Car 2 - 911 (991.1)

  2015 Porsche 911 Carrera 4 GTS 3.8L H6 GAS Manual 7 Speed Coupe
  Added Sep 2021 • 23 Fuel-ups

  Property of Firing-Order

• 20.1 Avg MPG

• Gt3

  2015 Porsche 911 GT3 3.8L H6 GAS Automatic Dual Clutch 7 Speed Coupe
  Added Feb 2019 • 24 Fuel-ups

  Property of Jtm893

• 12.8 Avg MPG

• 911

  2015 Porsche 911 Carrera GTS 3.8L H6 GAS Automatic Dual Clutch 7 Speed
  Added Jan 2018 • 92 Fuel-ups

  Property of 981CS

• 20.8 Avg MPG

• My 911

  2015 Porsche 911 Turbo 3.8L H6 GAS Automatic Dual Clutch 7 Speed
  Added Jun 2016 • 27 Fuel-ups

  Property of wchbos

• 14.6 Avg MPG

• Porsche 911

  2015 Porsche 911 Carrera 4S 3.8L H6 GAS Automatic Dual Clutch 7 Speed
  Added Sep 2016 • 62 Fuel-ups

  Property of awacstex

• 19.0 Avg MPG

• 991 GT3

  2015 Porsche 911 GT3 3.8L H6 GAS Automatic Dual Clutch 7 Speed
  Added Sep 2016 • 135 Fuel-ups

  Property of grimmm

• 16.9 Avg MPG

• GT3

  2015 Porsche 911 GT3 3.8L H6 GAS Automatic Dual Clutch 7 Speed
  Added Mar 2017 • 94 Fuel-ups

  Property of devenh

• 15.1 Avg MPG

• Porsche 911

  2015 Porsche 911 Turbo S 3.8L H6 GAS Automatic Dual Clutch 7 Speed Coupe
  Added Oct 2016 • 16 Fuel-ups

  Property of PatelManagement

• 20.7 Avg MPG