Based on data from 528 vehicles, 55,507 fuel-ups and 15,767,339 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 1237 outliers (2.18%) removed.

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

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• Mazda3

  2015 Mazda 3 GT 2.5L L4 GAS Automatic 6 Speed
  Added May 2016 • 250 Fuel-ups

  Property of Kardnal

• 27.6 Avg MPG

• Mazda 3 2015

  2015 Mazda 3 Touring+
  Added Jan 2025 • 9 Fuel-ups

  Property of imjustden

• 32.4 Avg MPG

• My Mazda 3

  2015 Mazda 3 GS 2.0L L4 GAS Automatic 6 Speed
  Added Feb 2025 • 10 Fuel-ups

  Property of Sihong

• 35.5 Avg MPG

• Blue 3 I touring hatch 6MT

  2015 Mazda 3 I Touring 2.0L L4 GAS Manual 6 Speed Hatchback
  Added Oct 2014 • 299 Fuel-ups

  Property of Buger

• 35.9 Avg MPG

• My 3

  2015 Mazda 3 I Touring 2.0L L4 GAS Automatic 6 Speed
  Added Feb 2024 • 38 Fuel-ups

  Property of irene_lee_01

• 21.4 Avg MPG

• Mazda 3

  2015 Mazda 3 I Touring 2.0L L4 GAS Automatic 6 Speed Hatchback
  Added May 2021 • 101 Fuel-ups

  Property of seergious

• 31.8 Avg MPG

• Mazda 3 GX

  2015 Mazda 3 GX 2.0L L4 GAS Standard 6 Speed
  Added Sep 2017 • 170 Fuel-ups

  Property of krzfalcon

• 24.3 Avg MPG

• My 3

  2015 Mazda 3 s Touring 2.5L L4 GAS Automatic 6 Speed
  Added Nov 2024 • 28 Fuel-ups

  Property of bolognabruh

• 32.8 Avg MPG

• Mazda

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS
  Added Sep 2018 • 671 Fuel-ups

  Property of astone14

• 32.4 Avg MPG

• My 3

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS Manual 6 Speed
  Added Feb 2024 • 146 Fuel-ups

  Property of descobarser

• 33.8 Avg MPG

• Mazda 3

  2015 Mazda 3 I Sport 2.0L L4 GAS Manual 6 Speed Sedan
  Added Aug 2021 • 123 Fuel-ups

  Property of Linzeethurston

• 29.3 Avg MPG

• My 3

  2015 Mazda 3
  Added May 2024 • 29 Fuel-ups

  Property of PhoRunner619

• 29.9 Avg MPG

• Rachel

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS Automatic 6 Speed
  Added Sep 2016 • 808 Fuel-ups

  Property of DSuperwmn

• 27.5 Avg MPG

• Leona

  2015 Mazda 3 I Touring 2.0L L4 GAS Automatic 6 Speed
  Added Sep 2018 • 394 Fuel-ups

  Property of Jwu910

• 29.4 Avg MPG

• 2015 Mazda3 Sport GT

  2015 Mazda 3 GT 2.5L L4 GAS Automatic 6 Speed Hatchback
  Added Sep 2015 • 370 Fuel-ups

  Property of Medic33

• 36.1 Avg MPG

• 2015 Mazda 3

  2015 Mazda 3 I Touring 2.0L L4 GAS Automatic 6 Speed Hatchback
  Added May 2017 • 769 Fuel-ups

  Property of tatrtalk

• 28.4 Avg MPG

• Mazda 3

  2015 Mazda 3 s Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Aug 2022 • 138 Fuel-ups

  Property of ghost_ix

• 34.1 Avg MPG

• White Mazda 3

  2015 Mazda 3 I Touring 2.0L L4 GAS Automatic 6 Hatchback (4 Door)
  Added Aug 2015 • 543 Fuel-ups

  Property of RChang42

• 35.5 Avg MPG

• Mazda 3

  2015 Mazda 3 Sport Manual 6 Speed Hatchback
  Added May 2023 • 66 Fuel-ups

  Property of Michaelgillett

• 37.5 Avg MPG

• Mazda 3s Touring Hatchback MT

  2015 Mazda 3 s Touring 2.5L L4 GAS Manual 6 Speed Hatchback
  Added Aug 2015 • 565 Fuel-ups

  Property of tonyride

• 35.3 Avg MPG

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