Based on data from 515 vehicles, 52,920 fuel-ups and 15,038,026 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 1200 outliers (2.22%) removed.

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

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• 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

• Mazda 3

  2015 Mazda 3 I Touring 2.0L L4 GAS Automatic 6 Speed
  Added Feb 2018 • 129 Fuel-ups

  Property of richc911

• 31.4 Avg MPG

• Mazda 3 - 2015

  2015 Mazda 3
  Added May 2018 • 140 Fuel-ups

  Property of steventio

• 31.7 Avg MPG

• Mazda 3 - 2015

  2015 Mazda 3
  Added Sep 2021 • 140 Fuel-ups

  Property of steventio

• 31.7 Avg MPG

• Mazda 3 - 2015

  2015 Mazda 3
  Added Sep 2021 • 140 Fuel-ups

  Property of steventio

• 31.7 Avg MPG

• M3

  2015 Mazda 3 I Touring 2.0L L4 GAS Standard 6 Sedan (4 Door)
  Added Jul 2015 • 93 Fuel-ups

  Property of sunle1992

• 32.1 Avg MPG

• Gandalf

  2015 Mazda 3 I Sport 2.0L L4 GAS Automatic 6 Speed
  Added Sep 2016 • 154 Fuel-ups

  Property of imagine_enigami

• 36.8 Avg MPG

• 羊羊羊

  2015 Mazda 3 GS 2.0L L4 GAS Automatic 6 Speed
  Added Mar 2016 • 62 Fuel-ups

  Property of Cras

• 29.4 Avg MPG

• Tyron

  2015 Mazda 3 I Touring 2,0L L4 GAS Standard 6 Speed
  Added Jan 2016 • 87 Fuel-ups

  Property of wilsonhvargas

• 29.1 Avg MPG

• Parro's Mazda 3

  2015 Mazda 3 GS 2.0L L4 GAS Automatic 6 Speed Sedan
  Added Oct 2014 • 290 Fuel-ups

  Property of parro

• 30.7 Avg MPG

• Mazda3

  2015 Mazda 3 I Touring 2.0L L4 GAS Automatic 6 Speed
  Added Aug 2016 • 138 Fuel-ups

  Property of sonatinas

• 31.4 Avg MPG

• Mazda3 1.5 Auto

  2015 Mazda 3 Automatic Sedan
  Added Oct 2017 • 219 Fuel-ups

  Property of whatzuppatrick

• 32.8 Avg MPG

• My 3

  2015 Mazda 3
  Added Aug 2018 • 34 Fuel-ups

  Property of zette

• 36.5 Avg MPG

• MZ3

  2015 Mazda 3 I Touring 2.0L L4 GAS Automatic 6 Speed
  Added Nov 2018 • 9 Fuel-ups

  Property of AmrinS

• 28.4 Avg MPG

• Mazda 3

  2015 Mazda 3 Optimum L4 DIESEL Automatic 6 Speed
  Added Jan 2016 • 132 Fuel-ups

  Property of Wibla

• 38.3 Avg MPG

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