Based on data from 513 vehicles, 52,747 fuel-ups and 14,991,813 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 (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 1196 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 i SV 2.0L L4 GAS Automatic 6 Speed Sedan
  Added Oct 2017 • 313 Fuel-ups

  Property of kadease

• 30.5 Avg MPG

• Maz

  2015 Mazda 3 I Touring 2.0L L4 GAS Standard 6 Speed Sedan
  Added Oct 2017 • 215 Fuel-ups

  Property of Dantheman808

• 36.5 Avg MPG

• Mazda 3

  2015 Mazda 3 s Grand Touring 2.5L L4 GAS Automatic 6 Speed Sedan
  Added Dec 2021 • 7 Fuel-ups

  Property of sir574

• 30.6 Avg MPG

• Mazda 3 Skyactiv 2015

  2015 Mazda 3 I Sport 2.0L L4 GAS Automatic 6 Speed Sedan
  Added Feb 2016 • 60 Fuel-ups

  Property of chungf1

• 27.7 Avg MPG

• My 3

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS Automatic 6 Speed
  Added Sep 2017 • 219 Fuel-ups

  Property of jodee

• 30.9 Avg MPG

• Daphne

  2015 Mazda 3 I Touring 2.0L L4 GAS Automatic 6 Speed
  Added May 2020 • 107 Fuel-ups

  Property of myount

• 30.2 Avg MPG

• Mazda3

  2015 Mazda 3 I Sport 2.0L L4 GAS Automatic 6 Speed
  Added Aug 2021 • 331 Fuel-ups

  Property of OrangeTree

• 34.3 Avg MPG

• Kristyn

  2015 Mazda 3 Sport L4 DIESEL Manual 6 Speed Hatchback
  Added Nov 2019 • 22 Fuel-ups

  Property of fawlters

• 40.5 Avg MPG

• Mazda3

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS Automatic 6 Speed Hatchback
  Added Aug 2018 • 399 Fuel-ups

  Property of WGDad

• 31.1 Avg MPG

• Sip Sip Sip

  2015 Mazda 3 GS 2.0L L4 GAS Automatic 6 Speed Sedan
  Added Aug 2021 • 9 Fuel-ups

  Property of KlassC

• 35.2 Avg MPG

• Mazda3

  2015 Mazda 3 I Sport 2.0L L4 GAS Automatic 6 Speed
  Added Aug 2016 • 212 Fuel-ups

  Property of twzkraus

• 32.5 Avg MPG

• Mazda3 S Grand Touring

  2015 Mazda 3 S 2.5L L4 GAS Manual 6 Speed Hatchback
  Added Nov 2014 • 188 Fuel-ups

  Property of chadcf

• 29.0 Avg MPG

• Mazda 3

  2015 Mazda 3 I Touring 2.0L L4 GAS Standard 6 Speed
  Added Dec 2016 • 254 Fuel-ups

  Property of gearman

• 34.0 Avg MPG

• Abbey

  2015 Mazda 3 Executive
  Added Feb 2019 • 72 Fuel-ups

  Property of Steinad

• 44.6 Avg MPG

• Ryne's 3i

  2015 Mazda 3 i 2.0L L4 GAS Standard 6 Speed
  Added Sep 2014 • 229 Fuel-ups

  Property of Hypsy13

• 31.4 Avg MPG

• 3

  2015 Mazda 3 s Touring 2.5L L4 GAS Manual 6 Speed
  Added Aug 2017 • 119 Fuel-ups

  Property of crxrocks

• 33.0 Avg MPG

• Mazda 3

  2015 Mazda 3 I Touring 2.0L L4 GAS Automatic 6 Speed
  Added Aug 2016 • 468 Fuel-ups

  Property of michaeldshell

• 35.3 Avg MPG

• Mazda3

  2015 Mazda 3 I Touring 2.0L L4 GAS Manual 6 Speed Hatchback
  Added Sep 2021 • 171 Fuel-ups

  Property of gum44

• 30.4 Avg MPG

• My 3 old

  2015 Mazda 3 I Touring 2.0L L4 GAS Automatic 6 Speed
  Added Aug 2018 • 149 Fuel-ups

  Property of richc804

• 27.8 Avg MPG

• Magnum

  2015 Mazda 3 s Grand Touring 2.5L L4 GAS Manual 6 Speed Hatchback
  Added Jul 2017 • 82 Fuel-ups

  Property of xxaaqq

• 29.1 Avg MPG

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