Based on data from 519 vehicles, 53,856 fuel-ups and 15,284,634 miles of driving, the 2015 Mazda 3 gets a combined Avg MPG of 31.05 with a 0.05 MPG margin of error.

Any Engine Type 2.0L L4 GAS (333) 2.5L L4 GAS (118) GAS (1) L4 DIESEL (6) L4 GAS (16) Any Body Style Sedan (101) Hatchback (131) Any Submodel Touring+ (3) MAXX (5) S (8) Sport (9) i SV (11) i (15) GX (19) GT (25) s Touring (26) Base (29) I Sport (38) s Grand Touring (45) GS (46) i Grand Touring (63) I Touring (120) Other (57)

Below you can see a distribution of the fuel-ups with 1241 outliers (2.25%) removed.

Following shows the average MPG of each of the 519 vehicles in the system.

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• Mazda3

  2015 Mazda 3 GT 2.5L L4 GAS Automatic 6 Speed
  Added May 2016 • 243 Fuel-ups

  Property of Kardnal

• 27.7 Avg MPG

• Rachel

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS Automatic 6 Speed
  Added Sep 2016 • 798 Fuel-ups

  Property of DSuperwmn

• 27.6 Avg MPG

• My 3

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS Manual 6 Speed
  Added Feb 2024 • 137 Fuel-ups

  Property of descobarser

• 33.8 Avg MPG

• Mazda 3

  2015 Mazda 3 GS 2.0L L4 GAS Standard 6 Speed
  Added Mar 2017 • 520 Fuel-ups

  Property of coach5711

• 33.5 Avg MPG

• Mazda 3

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

  Property of Craignard

• 28.7 Avg MPG

• Mazda 3 GS

  2015 Mazda 3 GS 2.0L L4 GAS Automatic 6 Speed
  Added Nov 2024 • 8 Fuel-ups

  Property of _Brick

• 27.7 Avg MPG

• 2015 Mazda3 Sport GT

  2015 Mazda 3 GT 2.5L L4 GAS Automatic 6 Speed Hatchback
  Added Sep 2015 • 364 Fuel-ups

  Property of Medic33

• 36.1 Avg MPG

• Mazda3

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS Manual 6 Speed
  Added Aug 2019 • 178 Fuel-ups

  Property of zustermel

• 35.0 Avg MPG

• Mazda

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS
  Added Sep 2018 • 640 Fuel-ups

  Property of astone14

• 32.4 Avg MPG

• Mazda 3 GX

  2015 Mazda 3 GX 2.0L L4 GAS Standard 6 Speed
  Added Sep 2017 • 166 Fuel-ups

  Property of krzfalcon

• 24.3 Avg MPG

• Mazderati

  2015 Mazda 3 s Grand Touring 2.5L L4 GAS Standard 6 Speed
  Added Sep 2016 • 284 Fuel-ups

  Property of eburghar

• 26.6 Avg MPG

• Leona

  2015 Mazda 3 I Touring 2.0L L4 GAS Automatic 6 Speed
  Added Sep 2018 • 387 Fuel-ups

  Property of Jwu910

• 29.4 Avg MPG

• White Mazda 3

  2015 Mazda 3 I Touring 2.0L L4 GAS Automatic 6 Hatchback (4 Door)
  Added Aug 2015 • 534 Fuel-ups

  Property of RChang42

• 35.6 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 • 434 Fuel-ups

  Property of mikehoopes

• 33.4 Avg MPG

• 2015 Mazda 3

  2015 Mazda 3 Sport Automatic 6 Speed
  Added Oct 2021 • 111 Fuel-ups

  Property of RacerRex

• 30.8 Avg MPG

• Mazda

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS Automatic 6 Speed
  Added Jun 2019 • 153 Fuel-ups

  Property of zoom2zoom

• 32.2 Avg MPG

• Mazda 3 iGT

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS Automatic 6 Speed
  Added Jul 2018 • 437 Fuel-ups

  Property of jhnysnz

• 22.9 Avg MPG

• Mazda3

  2015 Mazda 3 s Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Aug 2016 • 368 Fuel-ups

  Property of jeffvautin

• 31.4 Avg MPG

• Lucy

  2015 Mazda 3 GX 2.0L L4 GAS Automatic 6 Speed Sedan
  Added Nov 2024 • 5 Fuel-ups

  Property of cnct3s

• 24.7 Avg MPG

• 2015 Mazda 3

  2015 Mazda 3 I Touring 2.0L L4 GAS Automatic 6 Speed Hatchback
  Added May 2017 • 744 Fuel-ups

  Property of tatrtalk

• 28.4 Avg MPG

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