Based on data from 528 vehicles, 55,558 fuel-ups and 15,780,132 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 (339) 2.5L L4 GAS (118) GAS (1) L4 DIESEL (6) L4 GAS (16) Any Body Style Sedan (100) Hatchback (134) Any Submodel Touring+ (4) MAXX (6) S (8) Sport (9) i SV (11) i (16) GX (19) GT (25) s Touring (26) Base (30) I Sport (39) s Grand Touring (45) GS (47) i Grand Touring (65) I Touring (121) Other (57)

Below you can see a distribution of the fuel-ups with 1239 outliers (2.18%) removed.

Following shows the average MPG of each of the 528 vehicles in the system.

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• Mazda 3

  2015 Mazda 3 I Sport 2.0L L4 GAS Automatic 6 Speed
  Added Jul 2024 • 30 Fuel-ups

  Property of ZircoBen

• 35.4 Avg MPG

• Mazda 3 GX

  2015 Mazda 3 GX 2.0L L4 GAS Standard 6 Speed
  Added Sep 2017 • 171 Fuel-ups

  Property of krzfalcon

• 24.3 Avg MPG

• My 3

  2015 Mazda 3
  Added May 2024 • 30 Fuel-ups

  Property of PhoRunner619

• 29.9 Avg MPG

• My 3

  2015 Mazda 3 s Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Jul 2024 • 36 Fuel-ups

  Property of sammyyoyo

• 26.6 Avg MPG

• Gray Mazda

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS Automatic 6 Speed Hatchback
  Added Mar 2025 • 5 Fuel-ups

  Property of mrflac

• 32.6 Avg MPG

• Aaron Mazda 3

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS Automatic 6 Speed
  Added Jan 2024 • 7 Fuel-ups

  Property of cpeterso4

• 32.6 Avg MPG

• My Mazda

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS Automatic 6 Speed
  Added May 2021 • 110 Fuel-ups

  Property of katiejo12

• 28.6 Avg MPG

• Mazda 3 2015

  2015 Mazda 3 MAXX L4 GAS Manual 6 Speed Hatchback
  Added Mar 2020 • 169 Fuel-ups

  Property of domenicof1

• 30.3 Avg MPG

• Mazda 3

  2015 Mazda 3 I Touring 2.0L L4 GAS Automatic 6 Speed
  Added Nov 2015 • 242 Fuel-ups

  Property of hamdonas

• 26.9 Avg MPG

• 3

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS Manual 6 Speed Hatchback
  Added Mar 2019 • 322 Fuel-ups

  Property of JakeMDVehicles

• 31.9 Avg MPG

• Mazda 3 GS

  2015 Mazda 3 GS 2.0L L4 GAS Automatic 6 Speed
  Added Nov 2024 • 16 Fuel-ups

  Property of _Brick

• 27.2 Avg MPG

• 2015 Mazda 3

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS Manual 6 Speed
  Added Jan 2025 • 9 Fuel-ups

  Property of dlgold09

• 33.8 Avg MPG

• Rachel

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS Automatic 6 Speed
  Added Sep 2016 • 810 Fuel-ups

  Property of DSuperwmn

• 27.5 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 • 439 Fuel-ups

  Property of mikehoopes

• 33.3 Avg MPG

• Mazda 3

  2015 Mazda 3 s Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Mar 2024 • 27 Fuel-ups

  Property of Craignard

• 28.4 Avg MPG

• Mazda

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS
  Added Sep 2018 • 672 Fuel-ups

  Property of astone14

• 32.4 Avg MPG

• Lindsey

  2015 Mazda 3 I Touring 2.0L L4 GAS Automatic 6 Speed
  Added Mar 2022 • 141 Fuel-ups

  Property of vmmoten

• 30.1 Avg MPG

• My 3

  2015 Mazda 3 i 2.0L L4 GAS Manual 6 Speed
  Added Nov 2023 • 31 Fuel-ups

  Property of j2johnson

• 31.9 Avg MPG

• Mazda 3

  2015 Mazda 3 GS 2.0L L4 GAS Standard 6 Speed
  Added Mar 2017 • 534 Fuel-ups

  Property of coach5711

• 33.5 Avg MPG

• 2015 Mazda 3

  2015 Mazda 3 Sport Automatic 6 Speed
  Added Oct 2021 • 116 Fuel-ups

  Property of RacerRex

• 30.8 Avg MPG

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