Based on data from 23 vehicles, 1,151 fuel-ups and 315,861 miles of driving, the 2021 Mazda 6 gets a combined Avg MPG of 27.56 with a 0.29 MPG margin of error.

Any Engine Type 2.5L L4 GAS (23) Any Body Style Sedan (9) Any Submodel GT (1) Touring (3) Grand Touring (3) Signature (4) Grand Touring Reserve (5) Carbon Edition (7)

Below you can see a distribution of the fuel-ups with 12 outliers (1.03%) removed.

Following shows the average MPG of each of the 23 vehicles in the system.

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• MAZDA6

  2021 Mazda 6 Carbon Edition 2.5L L4 GAS Automatic 6 Speed Sedan
  Added Feb 2023 • 35 Fuel-ups

  Property of carsjs79

• 24.9 Avg MPG

• Mazda6

  2021 Mazda 6 Carbon Edition 2.5L L4 GAS Automatic 6 Speed
  Added Dec 2022 • 125 Fuel-ups

  Property of mkcoia

• 25.3 Avg MPG

• 2021 Mazda 6 Carbon

  2021 Mazda 6 Carbon Edition 2.5L L4 GAS Automatic 6 Speed
  Added Jul 2021 • 104 Fuel-ups

  Property of jiggyblau

• 32.1 Avg MPG

• My 6

  2021 Mazda 6 GT 2.5L L4 GAS Automatic 6 Speed
  Added Mar 2022 • 54 Fuel-ups

  Property of nickstephens

• 27.5 Avg MPG

• Mazda

  2021 Mazda 6 Grand Touring Reserve 2.5L L4 GAS Automatic 6 Speed
  Added Mar 2023 • 44 Fuel-ups

  Property of Isaacc

• 30.2 Avg MPG

• Blue Beauty

  2021 Mazda 6 Touring 2.5L L4 GAS Automatic 6 Speed Sedan
  Added Jun 2021 • 90 Fuel-ups

  Property of Vman15

• 31.8 Avg MPG

• 2021 Mazda 6

  2021 Mazda 6 Signature 2.5L L4 GAS Automatic 6 Speed Sedan
  Added Dec 2021 • 134 Fuel-ups

  Property of threewest

• 27.2 Avg MPG

• 2021 Mazda 6

  2021 Mazda 6 Carbon Edition 2.5L L4 GAS Automatic 6 Speed
  Added Jul 2021 • 93 Fuel-ups

  Property of cminerva

• 27.3 Avg MPG

• White Mazda 6

  2021 Mazda 6 Touring 2.5L L4 GAS Automatic 6 Speed Sedan
  Added Sep 2022 • 51 Fuel-ups

  Property of TxLongbed

• 31.4 Avg MPG

• 2021 Mazda 6

  2021 Mazda 6 Signature 2.5L L4 GAS Automatic 6 Speed Sedan
  Added Jun 2021 • 76 Fuel-ups

  Property of dustinfwhite

• 22.2 Avg MPG

• Mark’s 6

  2021 Mazda 6 Carbon Edition 2.5L L4 GAS Automatic 6 Speed
  Added Dec 2023 • 8 Fuel-ups

  Property of markamyl

• 24.1 Avg MPG

• Mazda 6

  2021 Mazda 6 Grand Touring Reserve 2.5L L4 GAS Automatic 6 Speed
  Added Apr 2022 • 114 Fuel-ups

  Property of Hoosiers3512

• 27.6 Avg MPG

• My 6

  2021 Mazda 6 Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Nov 2022 • 52 Fuel-ups

  Property of bmw18

• 23.5 Avg MPG

• Mazda 6 Premium 2.0

  2021 Mazda 6 Signature 2.5L L4 GAS Automatic 6 Speed
  Added Jul 2021 • 21 Fuel-ups

  Property of xuanlinh1982

• 24.4 Avg MPG

• My 6

  2021 Mazda 6 Signature 2.5L L4 GAS Automatic 6 Speed
  Added Apr 2023 • 4 Fuel-ups

  Property of Ravenwilf

• 28.5 Avg MPG

• LBK 11

  2021 Mazda 6 Touring 2.5L L4 GAS Automatic 6 Speed
  Added Oct 2021 • 30 Fuel-ups

  Property of Sidney11

• 26.3 Avg MPG

• Red Mazda 6

  2021 Mazda 6 Grand Touring Reserve 2.5L L4 GAS Automatic 6 Speed Sedan
  Added Sep 2023 • 54 Fuel-ups

  Property of jhufnagle

• 35.1 Avg MPG

• Red Mazda 6

  2021 Mazda 6 Grand Touring Reserve 2.5L L4 GAS Automatic 6 Speed Sedan
  Added Jun 2021 • 49 Fuel-ups

  Property of jhufnagle

• 30.6 Avg MPG

• My 6

  2021 Mazda 6 Carbon Edition 2.5L L4 GAS Automatic 6 Speed
  Added Sep 2021 • 54 Fuel-ups

  Property of ScottRAV4

• 26.6 Avg MPG

• Mazda

  2021 Mazda 6 Grand Touring Reserve 2.5L L4 GAS Automatic 6 Speed Sedan
  Added Jul 2021 • 33 Fuel-ups

  Property of jeffsa114

• 29.8 Avg MPG

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