Based on data from 515 vehicles, 52,920 fuel-ups and 15,038,026 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 1200 outliers (2.22%) removed.

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

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• Mazda 3

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS Automatic 6 Speed
  Added Apr 2018 • 304 Fuel-ups

  Property of jaredd19

• 30.0 Avg MPG

• Mazda 3

  2015 Mazda 3 I Touring 2.0L L4 GAS Automatic 6 Speed Hatchback
  Added May 2021 • 93 Fuel-ups

  Property of seergious

• 31.8 Avg MPG

• Mazda 3

  2015 Mazda 3 SportNav
  Added Sep 2023 • 56 Fuel-ups

  Property of wisozem

• 35.5 Avg MPG

• My 3

  2015 Mazda 3 s Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Jul 2024 • 24 Fuel-ups

  Property of sammyyoyo

• 27.4 Avg MPG

• Mazda 3

  2015 Mazda 3 s Grand Touring 2.5L L4 GAS Manual 6 Speed Hatchback
  Added Mar 2019 • 389 Fuel-ups

  Property of 350XCF

• 32.9 Avg MPG

• Mazda 3

  2015 Mazda 3 Sport Manual 6 Speed Hatchback
  Added May 2023 • 58 Fuel-ups

  Property of Michaelgillett

• 37.6 Avg MPG

• 2015 Mazda 3

  2015 Mazda 3 I Touring 2.0L L4 GAS Automatic 6 Speed Hatchback
  Added Mar 2023 • 995 Fuel-ups

  Property of spamme

• 25.8 Avg MPG

• My 3

  2015 Mazda 3
  Added May 2024 • 20 Fuel-ups

  Property of PhoRunner619

• 30.1 Avg MPG

• Mazda 3 GX

  2015 Mazda 3 GX 2.0L L4 GAS Standard 6 Speed
  Added Sep 2017 • 165 Fuel-ups

  Property of krzfalcon

• 24.4 Avg MPG

• My 3

  2015 Mazda 3 s Touring 2.5L L4 GAS Automatic 6 Speed
  Added Nov 2024 • 7 Fuel-ups

  Property of bolognabruh

• 33.3 Avg MPG

• Aaron Mazda 3

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS Automatic 6 Speed
  Added Jan 2024 • 5 Fuel-ups

  Property of cpeterso4

• 32.6 Avg MPG

• Mazda 3s Touring Hatchback MT

  2015 Mazda 3 s Touring 2.5L L4 GAS Manual 6 Speed Hatchback
  Added Aug 2015 • 552 Fuel-ups

  Property of tonyride

• 35.2 Avg MPG

• Mazda 3

  2015 Mazda 3 GS 2.0L L4 GAS Standard 6 Speed
  Added Mar 2017 • 516 Fuel-ups

  Property of coach5711

• 33.5 Avg MPG

• Rachel

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS Automatic 6 Speed
  Added Sep 2016 • 792 Fuel-ups

  Property of DSuperwmn

• 27.6 Avg MPG

• 3

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS Manual 6 Speed Hatchback
  Added Mar 2019 • 309 Fuel-ups

  Property of JakeMDVehicles

• 32.1 Avg MPG

• Mazda 3

  2015 Mazda 3 s Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Aug 2022 • 127 Fuel-ups

  Property of ghost_ix

• 34.3 Avg MPG

• Mazda 3

  2015 Mazda 3 I Sport 2.0L L4 GAS Manual 6 Speed Sedan
  Added Aug 2021 • 117 Fuel-ups

  Property of Linzeethurston

• 29.4 Avg MPG

• Dad's Car

  2015 Mazda 3 i SV 2.0L L4 GAS Automatic 6 Speed
  Added Jul 2017 • 361 Fuel-ups

  Property of jonquigley

• 35.4 Avg MPG

• Mazda3

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS Manual 6 Speed
  Added Aug 2019 • 173 Fuel-ups

  Property of zustermel

• 35.0 Avg MPG

• Mazda

  2015 Mazda 3 Sport
  Added Mar 2017 • 390 Fuel-ups

  Property of SamRD

• 30.6 Avg MPG

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