Based on data from 526 vehicles, 54,937 fuel-ups and 15,609,444 miles of driving, the 2015 Mazda 3 gets a combined Avg MPG of 31.07 with a 0.05 MPG margin of error.

Any Engine Type 2.0L L4 GAS (337) 2.5L L4 GAS (118) GAS (1) L4 DIESEL (6) L4 GAS (16) Any Body Style Sedan (100) Hatchback (133) Any Submodel Touring+ (4) MAXX (6) S (8) Sport (9) i SV (11) i (15) GX (19) GT (25) s Touring (26) Base (30) I Sport (39) s Grand Touring (45) GS (47) i Grand Touring (64) I Touring (121) Other (57)

Below you can see a distribution of the fuel-ups with 1222 outliers (2.18%) removed.

Following shows the average MPG of each of the 526 vehicles in the system.

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• Dad's Car

  2015 Mazda 3 i SV 2.0L L4 GAS Automatic 6 Speed
  Added Jul 2017 • 371 Fuel-ups

  Property of jonquigley

• 35.4 Avg MPG

• White Mazda 3

  2015 Mazda 3 I Touring 2.0L L4 GAS Automatic 6 Hatchback (4 Door)
  Added Aug 2015 • 540 Fuel-ups

  Property of RChang42

• 35.6 Avg MPG

• 2015 Mazda 3

  2015 Mazda 3 I Touring 2.0L L4 GAS Automatic 6 Speed Hatchback
  Added May 2017 • 752 Fuel-ups

  Property of tatrtalk

• 28.4 Avg MPG

• Mazderati

  2015 Mazda 3 s Grand Touring 2.5L L4 GAS Standard 6 Speed
  Added Sep 2016 • 288 Fuel-ups

  Property of eburghar

• 26.6 Avg MPG

• Mazda 3 GS

  2015 Mazda 3 GS 2.0L L4 GAS Automatic 6 Speed
  Added Nov 2024 • 13 Fuel-ups

  Property of _Brick

• 26.9 Avg MPG

• My 3

  2015 Mazda 3 i 2.0L L4 GAS Manual 6 Speed
  Added Nov 2023 • 29 Fuel-ups

  Property of j2johnson

• 31.8 Avg MPG

• Mazda3

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS Standard 6 Speed Sedan
  Added Dec 2017 • 196 Fuel-ups

  Property of Velociraptors

• 32.1 Avg MPG

• My Mazda

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS Automatic 6 Speed
  Added May 2021 • 108 Fuel-ups

  Property of katiejo12

• 28.8 Avg MPG

• Mazda

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS
  Added Sep 2018 • 656 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 • 137 Fuel-ups

  Property of vmmoten

• 30.1 Avg MPG

• Mazda 3

  2015 Mazda 3 GS 2.0L L4 GAS Standard 6 Speed
  Added Mar 2017 • 526 Fuel-ups

  Property of coach5711

• 33.5 Avg MPG

• 2015 Mazda 3

  2015 Mazda 3 I Touring 2.0L L4 GAS Automatic 6 Speed
  Added Apr 2017 • 222 Fuel-ups

  Property of MetalTA92

• 32.0 Avg MPG

• My 3

  2015 Mazda 3 GS 2.0L L4 GAS Manual 6 Speed
  Added Jun 2024 • 29 Fuel-ups

  Property of engggirl

• 32.0 Avg MPG

• Zoom Zoom of Doom

  2015 Mazda 3 I Touring 2.0L L4 GAS Standard 5 Speed Hatchback
  Added May 2018 • 571 Fuel-ups

  Property of Janese

• 30.3 Avg MPG

• Mazda 3

  2015 Mazda 3 s Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Aug 2022 • 135 Fuel-ups

  Property of ghost_ix

• 34.2 Avg MPG

• Mazda 3 2015

  2015 Mazda 3 Touring+
  Added Jan 2025 • 6 Fuel-ups

  Property of imjustden

• 32.1 Avg MPG

• My Mazda 3

  2015 Mazda 3 GS 2.0L L4 GAS Automatic 6 Speed
  Added Feb 2025 • 4 Fuel-ups

  Property of Sihong

• 27.8 Avg MPG

• Mazda3

  2015 Mazda 3 s Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Aug 2016 • 372 Fuel-ups

  Property of jeffvautin

• 31.4 Avg MPG

• My 3

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS Manual 6 Speed
  Added Feb 2024 • 144 Fuel-ups

  Property of descobarser

• 33.8 Avg MPG

• Mazda 3 iGT

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS Automatic 6 Speed
  Added Jul 2018 • 442 Fuel-ups

  Property of jhnysnz

• 22.8 Avg MPG

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