Based on data from 515 vehicles, 52,805 fuel-ups and 15,007,459 miles of driving, the 2015 Mazda 3 gets a combined Avg MPG of 31.06 with a 0.05 MPG margin of error.

Any Engine Type 2.0L L4 GAS (329) 2.5L L4 GAS (118) GAS (1) L4 DIESEL (6) L4 GAS (16) Any Body Style Sedan (99) Hatchback (130) Any Submodel Touring+ (3) MAXX (5) S (8) Sport (9) i SV (11) i (15) GX (18) GT (25) s Touring (26) Base (29) I Sport (38) GS (45) s Grand Touring (45) i Grand Touring (62) I Touring (119) Other (57)

Below you can see a distribution of the fuel-ups with 1198 outliers (2.22%) removed.

Following shows the average MPG of each of the 515 vehicles in the system.

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• Mazda3

  2015 Mazda 3 GT 2.5L L4 GAS Automatic 6 Speed
  Added May 2016 • 239 Fuel-ups

  Property of Kardnal

• 27.8 Avg MPG

• Mazda3

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS Automatic 6 Speed Sedan
  Added Apr 2018 • 212 Fuel-ups

  Property of aragul

• 34.4 Avg MPG

• Mazderati

  2015 Mazda 3 s Grand Touring 2.5L L4 GAS Standard 6 Speed
  Added Sep 2016 • 279 Fuel-ups

  Property of eburghar

• 26.6 Avg MPG

• My Mazda

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS Automatic 6 Speed
  Added May 2021 • 103 Fuel-ups

  Property of katiejo12

• 28.8 Avg MPG

• 2015 Mazda3

  2015 Mazda 3 s Touring 2.5L L4 GAS Automatic 6 Speed
  Added Jan 2020 • 100 Fuel-ups

  Property of irrationality

• 29.6 Avg MPG

• Mazda 3

  2015 Mazda 3 s Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Oct 2017 • 47 Fuel-ups

  Property of bbarker

• 26.5 Avg MPG

• Mazdang

  2015 Mazda 3 Optimum L4 GAS
  Added Oct 2017 • 170 Fuel-ups

  Property of eliland

• 37.1 Avg MPG

• 2015 Mazda 3 sGT AT HB

  2015 Mazda 3 s Grand Touring 2.5L L4 GAS Automatic 6 Speed Hatchback
  Added Oct 2015 • 430 Fuel-ups

  Property of mikehoopes

• 33.4 Avg MPG

• Mazda3

  2015 Mazda 3 I Touring 2.0L L4 GAS Manual 6 Speed
  Added Nov 2018 • 194 Fuel-ups

  Property of steve3024

• 34.4 Avg MPG

• Pookie

  2015 Mazda 3 I Touring 2.0L L4 GAS Automatic 6 Speed
  Added Sep 2015 • 368 Fuel-ups

  Property of Mahgii

• 34.2 Avg MPG

• Mazda3

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS Standard 6 Speed Sedan
  Added Dec 2017 • 192 Fuel-ups

  Property of Velociraptors

• 32.2 Avg MPG

• My First Car

  2015 Mazda 3 S 2.5L L4 GAS Hatchback
  Added May 2021 • 31 Fuel-ups

  Property of Aldelo

• 29.8 Avg MPG

• Mazda (White)

  2015 Mazda 3 GT 2.5L L4 GAS Automatic 6 Speed
  Added Sep 2016 • 158 Fuel-ups

  Property of fizzix7

• 25.8 Avg MPG

• notMyMazda

  2015 Mazda 3 GS 2.0L L4 GAS Automatic 6 Speed
  Added May 2016 • 206 Fuel-ups

  Property of adamclark

• 32.8 Avg MPG

• Hobo3

  2015 Mazda 3 I Touring 2.0L L4 GAS Automatic 6 Speed Hatchback
  Added Aug 2018 • 92 Fuel-ups

  Property of Hoboknife

• 33.9 Avg MPG

• Mazda 3

  2015 Mazda 3 2.5L L4 GAS Automatic 6 Speed Sedan
  Added Sep 2015 • 126 Fuel-ups

  Property of streetsharK

• 32.3 Avg MPG

• Mazda 3 2015

  2015 Mazda 3 MAXX L4 GAS Manual 6 Speed Hatchback
  Added Mar 2020 • 159 Fuel-ups

  Property of domenicof1

• 30.3 Avg MPG

• 3

  2015 Mazda 3 i SV 2.0L L4 GAS Manual 6 Speed Sedan
  Added Jul 2024 • 24 Fuel-ups

  Property of Mortado

• 33.3 Avg MPG

• Mazda 3

  2015 Mazda 3 I Touring 2.0L L4 GAS Automatic 6 Speed Sedan
  Added Jun 2018 • 194 Fuel-ups

  Property of dooleynoted

• 21.8 Avg MPG

• Blue 3 I touring hatch 6MT

  2015 Mazda 3 I Touring 2.0L L4 GAS Manual 6 Speed Hatchback
  Added Oct 2014 • 291 Fuel-ups

  Property of Buger

• 35.0 Avg MPG

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