Based on data from 515 vehicles, 52,805 fuel-ups and 15,007,459 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 1198 outliers (2.22%) removed.

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

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• My 3

  2015 Mazda 3 I Touring 2.0L L4 GAS Automatic 6 Speed
  Added Feb 2024 • 31 Fuel-ups

  Property of irene_lee_01

• 21.7 Avg MPG

• Mazda 3

  2015 Mazda 3 I Touring 2.0L L4 GAS Automatic 6 Speed
  Added Nov 2015 • 226 Fuel-ups

  Property of hamdonas

• 26.9 Avg MPG

• Daisy

  2015 Mazda 3 I Touring 2.0L L4 GAS Automatic 6 Speed
  Added Oct 2019 • 318 Fuel-ups

  Property of kenzielong

• 29.7 Avg MPG

• Rachel

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS Automatic 6 Speed
  Added Sep 2016 • 787 Fuel-ups

  Property of DSuperwmn

• 27.6 Avg MPG

• Mazda3

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS Automatic 6 Speed
  Added Aug 2016 • 300 Fuel-ups

  Property of tylerawalters

• 29.7 Avg MPG

• Mazda3

  2015 Mazda 3 s Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Aug 2016 • 364 Fuel-ups

  Property of jeffvautin

• 31.5 Avg MPG

• Mazda 3

  2015 Mazda 3 Touring+ L4 GAS Automatic 6 Speed Sedan
  Added May 2016 • 181 Fuel-ups

  Property of SergSlim

• 26.5 Avg MPG

• Sam's 2015 Mazda 3 i Grand Touring

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS Automatic 6 Speed Hatchback
  Added Apr 2022 • 65 Fuel-ups

  Property of samsunite00

• 33.8 Avg MPG

• M3

  2015 Mazda 3 Sport
  Added Dec 2022 • 67 Fuel-ups

  Property of malyem13

• 28.6 Avg MPG

• Mazda 3

  2015 Mazda 3 GS 2.0L L4 GAS Standard 6 Speed
  Added Mar 2017 • 513 Fuel-ups

  Property of coach5711

• 33.5 Avg MPG

• Mazda 3 iGT

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS Automatic 6 Speed
  Added Jul 2018 • 431 Fuel-ups

  Property of jhnysnz

• 22.9 Avg MPG

• 2015 Mazda 3 iGT 6MT

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS Manual 6 Speed
  Added Jul 2022 • 88 Fuel-ups

  Property of awmeyer405

• 31.4 Avg MPG

• White Mazda 3

  2015 Mazda 3 I Touring 2.0L L4 GAS Automatic 6 Hatchback (4 Door)
  Added Aug 2015 • 529 Fuel-ups

  Property of RChang42

• 35.7 Avg MPG

• Silver Mazda3

  2015 Mazda 3 MAXX
  Added Jun 2015 • 208 Fuel-ups

  Property of vroom-vroom

• 30.5 Avg MPG

• Mazda3

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS Manual 6 Speed
  Added Aug 2019 • 171 Fuel-ups

  Property of zustermel

• 35.1 Avg MPG

• My 3

  2015 Mazda 3 s Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Jul 2024 • 21 Fuel-ups

  Property of sammyyoyo

• 27.7 Avg MPG

• Mazda3

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS Manual 6 Speed
  Added Sep 2016 • 275 Fuel-ups

  Property of uberdia

• 32.5 Avg MPG

• Mazda 3

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS Automatic 6 Speed
  Added Apr 2018 • 302 Fuel-ups

  Property of jaredd19

• 30.0 Avg MPG

• Clover

  2015 Mazda 3 s Grand Touring 2.5L L4 GAS Manual 6 Speed Hatchback
  Added May 2016 • 245 Fuel-ups

  Property of PtGrill

• 28.1 Avg MPG

• Mazda

  2015 Mazda 3 I Sport 2.0L L4 GAS Manual 6 Speed Hatchback
  Added Feb 2015 • 119 Fuel-ups

  Property of KaneHusky

• 32.2 Avg MPG

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