Based on data from 518 vehicles, 52,256 fuel-ups and 14,872,674 miles of driving, the 2015 Mazda 3 gets a combined Avg MPG of 31.11 with a 0.05 MPG margin of error.

Any Engine Type 2.0L L4 GAS (325) 2.5L L4 GAS (113) GAS (1) L4 DIESEL (6) L4 GAS (26) Any Body Style Sedan (97) Hatchback (140) Any Submodel Touring+ (3) MAXX (5) S (8) Sport (9) i SV (10) i (15) GX (18) GT (25) s Touring (25) I Sport (38) Base (39) GS (43) s Grand Touring (43) i Grand Touring (61) I Touring (119) Other (57)

Below you can see a distribution of the fuel-ups with 1227 outliers (2.29%) removed.

Following shows the average MPG of each of the 518 vehicles in the system.

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• Tree

  2015 Mazda 3 s Touring 2.5L L4 GAS Automatic 6 Speed Sedan
  Added Nov 2017 • 133 Fuel-ups

  Property of Ahunte

• 27.5 Avg MPG

• My 3

  2015 Mazda 3 I Touring 2.0L L4 GAS Automatic 6 Speed
  Added Jun 2018 • 67 Fuel-ups

  Property of patsyanks14

• 35.3 Avg MPG

• Rosie

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS Automatic 6 Speed
  Added Jul 2019 • 11 Fuel-ups

  Property of kdwinterton

• 33.3 Avg MPG

• Mazda3

  2015 Mazda 3 I Sport 2.0L L4 GAS Manual 6 Speed
  Added Jul 2019 • 30 Fuel-ups

  Property of pkburke

• 31.2 Avg MPG

• Mazda 3

  2015 Mazda 3 GX 2.0L L4 GAS Manual 6 Speed Sedan
  Added Jul 2018 • 67 Fuel-ups

  Property of m14_2018

• 33.4 Avg MPG

• Mazda 3 "Baby"

  2015 Mazda 3 s Touring 2.5L L4 GAS Automatic Hatchback
  Added Jun 2018 • 6 Fuel-ups

  Property of titanrules

• 34.8 Avg MPG

• Mazda3

  2015 Mazda 3 s Touring 2.5L L4 GAS Automatic 6 Speed Hatchback
  Added Apr 2018 • 44 Fuel-ups

  Property of Lummeh

• 33.1 Avg MPG

• 2015 Mazda 3 S GT

  2015 Mazda 3 s Grand Touring 2.5L L4 GAS Automatic 6 Speed Sedan
  Added Dec 2018 • 33 Fuel-ups

  Property of Reconfigure

• 29.5 Avg MPG

• Mazda 3

  2015 Mazda 3 Touring+ Automatic Sedan
  Added Jul 2019 • 19 Fuel-ups

  Property of pjh12

• 29.5 Avg MPG

• 2015 Mazda 3

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS Automatic 6 Speed Sedan
  Added Aug 2017 • 28 Fuel-ups

  Property of ftagius

• 25.8 Avg MPG

• MAZDA 3

  2015 Mazda 3 i SV 2.0L L4 GAS Automatic 6 Speed
  Added Mar 2017 • 349 Fuel-ups

  Property of dellamicik

• 33.5 Avg MPG

• My Mazda 3

  2015 Mazda 3 i SV 2.0L L4 GAS Manual 6 Speed Sedan
  Added May 2015 • 47 Fuel-ups

  Property of splendid_alex

• 35.5 Avg MPG

• My 3

  2015 Mazda 3 GX 2.0L L4 GAS Manual 6 Speed
  Added Dec 2018 • 20 Fuel-ups

  Property of zacm

• 32.4 Avg MPG

• My 3

  2015 Mazda 3 I Sport 2.0L L4 GAS Manual 6 Speed Hatchback
  Added May 2015 • 170 Fuel-ups

  Property of g60corrado91

• 35.2 Avg MPG

• Mazda 3

  2015 Mazda 3 S 2.5L L4 GAS Automatic 6 Speed Sedan
  Added May 2015 • 102 Fuel-ups

  Property of JoelCG

• 27.5 Avg MPG

• Mazda 3

  2015 Mazda 3 s Grand Touring 2.5L L4 GAS Automatic 6 Speed Hatchback
  Added Oct 2017 • 119 Fuel-ups

  Property of ag0n

• 26.9 Avg MPG

• Fastback

  2015 Mazda 3 Fastback L4 DIESEL Standard 6 Speed
  Added Nov 2015 • 148 Fuel-ups

  Property of Pints

• 39.4 Avg MPG

• Dogglemobile

  2015 Mazda 3 I Touring 2.0L L4 GAS Manual 6 Speed Hatchback
  Added Feb 2015 • 162 Fuel-ups

  Property of TheNewWazoo

• 32.2 Avg MPG

• Linda's Mazda 3

  2015 Mazda 3 GT 2.5L L4 GAS Automatic 6 Speed
  Added Dec 2018 • 5 Fuel-ups

  Property of Nof60RAV

• 34.3 Avg MPG

• Miri

  2015 Mazda 3 GS 2.0L L4 GAS Standard 6 Speed Hatchback
  Added Mar 2016 • 69 Fuel-ups

  Property of edmazda

• 36.4 Avg MPG

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