Based on data from 79 vehicles, 7,492 fuel-ups and 2,451,880 miles of driving, the 2018 Mazda 6 gets a combined Avg MPG of 28.95 with a 0.11 MPG margin of error.

Any Engine Type 2.5L L4 GAS (63) L4 DIESEL (1) L4 GAS (5) V4 GAS (1) Any Body Style Sedan (35) Wagon (5) Any Submodel I Sport (1) Grand Touring Reserve (1) Atenza Wagon (1) GS-L (2) Base (4) GT (4) V (4) Grand Touring (9) Sport (10) Touring (13) Signature (14) Grand Touring Reserve (15) Other (1)

Below you can see a distribution of the fuel-ups with 127 outliers (1.67%) removed.

Following shows the average MPG of each of the 79 vehicles in the system.

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• MazdaBlue

  2018 Mazda 6 Touring 2.5L L4 GAS Automatic 6 Speed Sedan
  Added Apr 2019 • 186 Fuel-ups

  Property of JPG1

• 30.9 Avg MPG

• 2018 Mazda Atenza/6 2.5

  2018 Mazda 6 Sport 2.5L L4 GAS Manual 6 Speed
  Added Nov 2020 • 204 Fuel-ups

  Property of mattburchett

• 30.9 Avg MPG

• Signature

  2018 Mazda 6 Signature 2.5L L4 GAS Automatic 6 Speed Sedan
  Added Mar 2020 • 143 Fuel-ups

  Property of tonie34982

• 24.1 Avg MPG

• White Swan

  2018 Mazda 6 Touring 2.5L L4 GAS Automatic 6 Speed Sedan
  Added May 2021 • 156 Fuel-ups

  Property of jbmorr03

• 32.4 Avg MPG

• Mazda

  2018 Mazda 6 Atenza Wagon L4 GAS Automatic 6 Speed Wagon
  Added Feb 2020 • 127 Fuel-ups

  Property of nvfusa

• 20.9 Avg MPG

• My 6

  2018 Mazda 6 Grand Touring
  Added Feb 2022 • 22 Fuel-ups

  Property of llamateur

• 23.4 Avg MPG

• My 6

  2018 Mazda 6 Touring 2.5L L4 GAS Automatic 6 Speed
  Added Feb 2020 • 154 Fuel-ups

  Property of pypd

• 33.4 Avg MPG

• Mazda 6 - 2017

  2018 Mazda 6 V
  Added Apr 2018 • 273 Fuel-ups

  Property of Strat

• 32.7 Avg MPG

• Mazda6

  2018 Mazda 6 Signature 2.5L L4 GAS Automatic 6 Speed Sedan
  Added Nov 2019 • 249 Fuel-ups

  Property of yankees25

• 26.7 Avg MPG

• Red Mazda 6

  2018 Mazda 6 Grand Touring Reserve 2.5L L4 GAS Automatic 6 Speed Sedan
  Added Oct 2022 • 96 Fuel-ups

  Property of TheWetBandit

• 24.9 Avg MPG

• Mazda

  2018 Mazda 6 Signature 2.5L L4 GAS Automatic 6 Speed Sedan
  Added Dec 2023 • 19 Fuel-ups

  Property of hibachi_veins

• 25.6 Avg MPG

• Yuki c Iko

  2018 Mazda 6 GT 2.5L L4 GAS Automatic 6 Speed
  Added Mar 2022 • 75 Fuel-ups

  Property of Del64

• 32.5 Avg MPG

• 2018 Mazda6 GT

  2018 Mazda 6 GT 2.5L L4 GAS Automatic 6 Speed Sedan
  Added Dec 2018 • 105 Fuel-ups

  Property of dcoulombe

• 24.8 Avg MPG

• Silv6r

  2018 Mazda 6 Sport 2.5L L4 GAS Manual 6 Speed Sedan
  Added Jun 2019 • 118 Fuel-ups

  Property of spaghettirider22

• 32.5 Avg MPG

• Mazda6

  2018 Mazda 6 Sport 2.5L L4 GAS Automatic 6 Speed Sedan
  Added Mar 2022 • 48 Fuel-ups

  Property of vpr5703

• 34.7 Avg MPG

• Mazda 6 Sport Nav+ 2.0 LK68FMD

  2018 Mazda 6 Sport L4 GAS Manual 6 Speed Sedan
  Added Dec 2018 • 204 Fuel-ups

  Property of melwyn

• 31.4 Avg MPG

• Pearl

  2018 Mazda 6 Sport 2.5L L4 GAS Automatic 6 Speed Sedan
  Added Apr 2019 • 285 Fuel-ups

  Property of greenmonster

• 26.2 Avg MPG

• Mazda 6

  2018 Mazda 6 GT L4 GAS Manual 6 Speed Wagon
  Added Apr 2019 • 111 Fuel-ups

  Property of Raindance78

• 35.5 Avg MPG

• Mazda 6

  2018 Mazda 6 Touring 2,5L L4 GAS Automatic 6 Speed Wagon
  Added Oct 2021 • 126 Fuel-ups

  Property of Valda

• 29.9 Avg MPG

• My 6

  2018 Mazda 6 Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Jul 2022 • 4 Fuel-ups

  Property of Ggore90

• 31.8 Avg MPG

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