Based on data from 513 vehicles, 52,713 fuel-ups and 14,982,755 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 (328) 2.5L L4 GAS (117) 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 (25) Base (29) I Sport (38) GS (44) s Grand Touring (45) i Grand Touring (62) I Touring (119) Other (57)

Below you can see a distribution of the fuel-ups with 1195 outliers (2.22%) removed.

Following shows the average MPG of each of the 513 vehicles in the system.

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• Mazda 3

  2015 Mazda 3 s Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Oct 2017 • 47 Fuel-ups

  Property of bbarker

• 26.5 Avg MPG

• My 3

  2015 Mazda 3 I Touring 2.0L L4 GAS Automatic 6 Speed
  Added Feb 2024 • 30 Fuel-ups

  Property of irene_lee_01

• 21.4 Avg MPG

• Mazda 3

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS Automatic 6 Speed
  Added Apr 2018 • 301 Fuel-ups

  Property of jaredd19

• 30.0 Avg MPG

• My 3

  2015 Mazda 3 GS 2.0L L4 GAS Manual 6 Speed
  Added Jun 2024 • 15 Fuel-ups

  Property of engggirl

• 34.9 Avg MPG

• 2015 Mazda 3 iGT 6MT

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS Manual 6 Speed
  Added Jul 2022 • 87 Fuel-ups

  Property of awmeyer405

• 31.4 Avg MPG

• Jake's Mazda3

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS Automatic 6 Speed
  Added Jul 2020 • 206 Fuel-ups

  Property of Chazen

• 26.6 Avg MPG

• Lindsey

  2015 Mazda 3 I Touring 2.0L L4 GAS Automatic 6 Speed
  Added Mar 2022 • 126 Fuel-ups

  Property of vmmoten

• 30.3 Avg MPG

• Mazda

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS
  Added Sep 2018 • 624 Fuel-ups

  Property of astone14

• 32.4 Avg MPG

• Mazdang

  2015 Mazda 3 Optimum L4 GAS
  Added Oct 2017 • 170 Fuel-ups

  Property of eliland

• 37.1 Avg MPG

• Mazda 3s Touring Hatchback MT

  2015 Mazda 3 s Touring 2.5L L4 GAS Manual 6 Speed Hatchback
  Added Aug 2015 • 548 Fuel-ups

  Property of tonyride

• 35.2 Avg MPG

• Mazda 3

  2015 Mazda 3 s Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Aug 2022 • 122 Fuel-ups

  Property of ghost_ix

• 34.4 Avg MPG

• Mazda 3

  2015 Mazda 3 s Grand Touring 2.5L L4 GAS Manual 6 Speed Hatchback
  Added Mar 2019 • 385 Fuel-ups

  Property of 350XCF

• 32.9 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 • 430 Fuel-ups

  Property of mikehoopes

• 33.4 Avg MPG

• Mazda3

  2015 Mazda 3 I Touring 2.0L L4 GAS Manual 6 Speed
  Added Nov 2018 • 194 Fuel-ups

  Property of steve3024

• 34.4 Avg MPG

• Mazda3

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS Manual 6 Speed
  Added Aug 2019 • 169 Fuel-ups

  Property of zustermel

• 35.2 Avg MPG

• 2015 Mazda 3

  2015 Mazda 3 Sport Automatic 6 Speed
  Added Oct 2021 • 106 Fuel-ups

  Property of RacerRex

• 30.8 Avg MPG

• Rachel

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS Automatic 6 Speed
  Added Sep 2016 • 784 Fuel-ups

  Property of DSuperwmn

• 27.6 Avg MPG

• White Mazda 3

  2015 Mazda 3 I Touring 2.0L L4 GAS Automatic 6 Hatchback (4 Door)
  Added Aug 2015 • 528 Fuel-ups

  Property of RChang42

• 35.7 Avg MPG

• Mazda 3

  2015 Mazda 3 GS 2.0L L4 GAS Standard 6 Speed
  Added Mar 2017 • 511 Fuel-ups

  Property of coach5711

• 33.5 Avg MPG

• My 3

  2015 Mazda 3 I Sport 2.0L L4 GAS Automatic 6 Speed
  Added Jul 2024 • 12 Fuel-ups

  Property of ZircoBen

• 36.1 Avg MPG

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