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 I Touring 2.0L L4 GAS Automatic 6 Speed Sedan
  Added Jun 2018 • 194 Fuel-ups

  Property of dooleynoted

• 21.8 Avg MPG

• Mazda 3

  2015 Mazda 3 s Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Mar 2024 • 19 Fuel-ups

  Property of Craignard

• 29.1 Avg MPG

• Mazda 3 yaaa

  2015 Mazda 3 GT 2.5L L4 GAS Automatic 6 Speed Sedan
  Added Jun 2019 • 103 Fuel-ups

  Property of duk242

• 30.5 Avg MPG

• Clover

  2015 Mazda 3 s Grand Touring 2.5L L4 GAS Manual 6 Speed Hatchback
  Added May 2016 • 244 Fuel-ups

  Property of PtGrill

• 28.1 Avg MPG

• Blue 3 I touring hatch 6MT

  2015 Mazda 3 I Touring 2.0L L4 GAS Manual 6 Speed Hatchback
  Added Oct 2014 • 291 Fuel-ups

  Property of Buger

• 35.0 Avg MPG

• My 3

  2015 Mazda 3 i 2.0L L4 GAS Manual 6 Speed
  Added Nov 2023 • 25 Fuel-ups

  Property of j2johnson

• 31.9 Avg MPG

• My 3

  2015 Mazda 3
  Added May 2024 • 17 Fuel-ups

  Property of PhoRunner619

• 30.4 Avg MPG

• Artie

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

  Property of RieBauer17

• 30.1 Avg MPG

• Hatch

  2015 Mazda 3 I Touring 2.0L L4 GAS Automatic 6 Speed Hatchback
  Added Mar 2016 • 230 Fuel-ups

  Property of jschmidt

• 31.6 Avg MPG

• Zoom Zoom of Doom

  2015 Mazda 3 I Touring 2.0L L4 GAS Standard 5 Speed Hatchback
  Added May 2018 • 558 Fuel-ups

  Property of Janese

• 30.3 Avg MPG

• Mazda 3 GX

  2015 Mazda 3 GX 2.0L L4 GAS Standard 6 Speed
  Added Sep 2017 • 162 Fuel-ups

  Property of krzfalcon

• 24.4 Avg MPG

• Mazda 3

  2015 Mazda 3 s Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Jan 2018 • 26 Fuel-ups

  Property of rfarach

• 14.6 Avg MPG

• Mazda 3

  2015 Mazda 3 I Sport 2.0L L4 GAS Manual 6 Speed Sedan
  Added Aug 2021 • 114 Fuel-ups

  Property of Linzeethurston

• 29.4 Avg MPG

• 3 SP25

  2015 Mazda 3 Sport
  Added Oct 2020 • 85 Fuel-ups

  Property of jtrott

• 33.1 Avg MPG

• Mazda 3

  2015 Mazda 3 I Touring 2,0L L4 GAS Automatic 6 Speed Sedan
  Added May 2023 • 85 Fuel-ups

  Property of dimahatchet

• 25.1 Avg MPG

• Mazda3

  2015 Mazda 3 I Touring 2.0L L4 GAS Manual 6 Speed Hatchback
  Added Jul 2015 • 492 Fuel-ups

  Property of WMJustice

• 34.1 Avg MPG

• Mazda 3

  2015 Mazda 3 Touring+ L4 GAS Automatic 6 Speed Sedan
  Added May 2016 • 180 Fuel-ups

  Property of SergSlim

• 26.5 Avg MPG

• Aaron Mazda 3

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS Automatic 6 Speed
  Added Jan 2024 • 4 Fuel-ups

  Property of cpeterso4

• 32.6 Avg MPG

• Mazda 3

  2015 Mazda 3 I Touring 2.0L L4 GAS Automatic 6 Speed
  Added Jan 2018 • 171 Fuel-ups

  Property of mlallier

• 31.3 Avg MPG

• Grey3

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS Automatic 6 Speed Sedan
  Added Jul 2016 • 196 Fuel-ups

  Property of Coopspeed

• 37.3 Avg MPG

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