Based on data from 29 vehicles, 2,066 fuel-ups and 806,669 miles of driving, the 2015 Porsche Cayenne gets a combined Avg MPG of 21.33 with a 0.35 MPG margin of error.

Any Engine Type 3.0L V6 DIESEL (13) 3.0L V6 ELECTRIC/GAS (7) 3.0L V6 PLUG-IN HYBRID EV-GAS (PHEV) (1) 3.6L V6 GAS (4) 4.8L V8 GAS (4) Any Body Style Sport Utility (6) Any Submodel S (4) Turbo (4) S E-Hybrid (8) Diesel (13)

Below you can see a distribution of the fuel-ups with 20 outliers (0.96%) removed.

Following shows the average MPG of each of the 29 vehicles in the system.

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• Cayenne S

  2015 Porsche Cayenne S 3.6L V6 GAS Automatic 8 Speed
  Added Aug 2016 • 283 Fuel-ups

  Property of Snipe656

• 15.7 Avg MPG

• My Cayenne

  2015 Porsche Cayenne Diesel 3.0L V6 DIESEL Automatic 8 Speed
  Added Dec 2024 • 17 Fuel-ups

  Property of rbentley6

• 28.1 Avg MPG

• Cayenne

  2015 Porsche Cayenne Diesel 3.0L V6 DIESEL Automatic 8 Speed Sport Utility
  Added Apr 2018 • 121 Fuel-ups

  Property of PDR447

• 23.7 Avg MPG

• My Cayenne

  2015 Porsche Cayenne Turbo 4.8L V8 GAS Automatic 8 Speed
  Added Feb 2025 • 10 Fuel-ups

  Property of AlwaysTrading

• 16.9 Avg MPG

• My Cayenne

  2015 Porsche Cayenne Turbo 4.8L V8 GAS Automatic 8 Speed
  Added Apr 2023 • 58 Fuel-ups

  Property of frimodt

• 15.0 Avg MPG

• Cayenne

  2015 Porsche Cayenne Diesel 3.0L V6 DIESEL Automatic 8 Speed
  Added Sep 2024 • 18 Fuel-ups

  Property of brandoc0mmand0

• 25.4 Avg MPG

• My Cayenne

  2015 Porsche Cayenne Turbo 4.8L V8 GAS Automatic 8 Speed
  Added Sep 2022 • 176 Fuel-ups

  Property of ib13tdi

• 16.2 Avg MPG

• Porsche

  2015 Porsche Cayenne Diesel 3.0L V6 DIESEL Automatic 8 Speed Sport Utility
  Added Jul 2023 • 116 Fuel-ups

  Property of Prize

• 30.1 Avg MPG

• My Cayenne

  2015 Porsche Cayenne Diesel 3.0L V6 DIESEL Automatic 8 Speed
  Added Feb 2019 • 60 Fuel-ups

  Property of 2013megacab

• 24.8 Avg MPG

• My Cayenne

  2015 Porsche Cayenne S E-Hybrid 3.0L V6 ELECTRIC/GAS Automatic 8 Speed
  Added Jul 2019 • 40 Fuel-ups

  Property of tacopower

• 22.4 Avg MPG

• Cayenne Turbo Diesel

  2015 Porsche Cayenne Diesel 3.0L V6 DIESEL Automatic 8 Speed
  Added Jun 2024 • 8 Fuel-ups

  Property of Guppster

• 20.2 Avg MPG

• 2015 Cayenne Diesel

  2015 Porsche Cayenne Diesel 3.0L V6 DIESEL Automatic 8 Speed
  Added Dec 2018 • 79 Fuel-ups

  Property of oilburnr

• 26.8 Avg MPG

• My Cayenne

  2015 Porsche Cayenne S E-Hybrid 3.0L V6 PLUG-IN HYBRID EV-GAS (PHEV) Automatic 8 Speed
  Added Jun 2024 • 3 Fuel-ups

  Property of Dowdsy

• 21.0 Avg MPG

• Blue Thunder

  2015 Porsche Cayenne S E-Hybrid 3.0L V6 ELECTRIC/GAS Automatic 8 Speed
  Added Dec 2017 • 180 Fuel-ups

  Property of wrxskier

• 29.1 Avg MPG

• My Cayenne

  2015 Porsche Cayenne S 3.6L V6 GAS Automatic 8 Speed
  Added Jul 2020 • 85 Fuel-ups

  Property of paulcarter7

• 16.4 Avg MPG

• Cayenne

  2015 Porsche Cayenne Diesel 3.0L V6 DIESEL Automatic 8 Speed Sport Utility
  Added Mar 2017 • 466 Fuel-ups

  Property of rcthomas

• 19.9 Avg MPG

• My Cayenne

  2015 Porsche Cayenne Diesel 3.0L V6 DIESEL Automatic 8 Speed
  Added Mar 2021 • 24 Fuel-ups

  Property of tbojo

• 23.3 Avg MPG

• My Cayenne

  2015 Porsche Cayenne S 3.6L V6 GAS Automatic 8 Speed
  Added Oct 2020 • 69 Fuel-ups

  Property of blakej15

• 16.4 Avg MPG

• My Cayenne

  2015 Porsche Cayenne S E-Hybrid 3.0L V6 ELECTRIC/GAS Automatic 8 Speed
  Added May 2017 • 97 Fuel-ups

  Property of wagnerlover

• 29.8 Avg MPG

• Cayenne

  2015 Porsche Cayenne Diesel 3.0L V6 DIESEL Automatic 8 Speed Sport Utility
  Added Jan 2020 • 10 Fuel-ups

  Property of cmicu

• 26.5 Avg MPG

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