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 Apr 2021 • 164 Fuel-ups

  Property of KindredCoda

• 24.2 Avg MPG

• Mazda 3 Grey

  2015 Mazda 3 GT 2.5L L4 GAS Automatic 6 Speed
  Added Nov 2018 • 307 Fuel-ups

  Property of kerhe

• 30.3 Avg MPG

• My 3

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS Manual 6 Speed
  Added Feb 2024 • 129 Fuel-ups

  Property of descobarser

• 33.9 Avg MPG

• Mazda (White)

  2015 Mazda 3 GT 2.5L L4 GAS Automatic 6 Speed
  Added Sep 2016 • 158 Fuel-ups

  Property of fizzix7

• 25.8 Avg MPG

• notMyMazda

  2015 Mazda 3 GS 2.0L L4 GAS Automatic 6 Speed
  Added May 2016 • 206 Fuel-ups

  Property of adamclark

• 32.8 Avg MPG

• Mazda

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS Automatic 6 Speed
  Added Jun 2019 • 146 Fuel-ups

  Property of zoom2zoom

• 32.6 Avg MPG

• Mazda3

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS Automatic 6 Speed
  Added Aug 2016 • 296 Fuel-ups

  Property of tylerawalters

• 29.7 Avg MPG

• My 3

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

  Property of sammyyoyo

• 27.9 Avg MPG

• Hobo3

  2015 Mazda 3 I Touring 2.0L L4 GAS Automatic 6 Speed Hatchback
  Added Aug 2018 • 92 Fuel-ups

  Property of Hoboknife

• 33.9 Avg MPG

• Silver Mazda3

  2015 Mazda 3 MAXX
  Added Jun 2015 • 207 Fuel-ups

  Property of vroom-vroom

• 30.5 Avg MPG

• Leona

  2015 Mazda 3 I Touring 2.0L L4 GAS Automatic 6 Speed
  Added Sep 2018 • 380 Fuel-ups

  Property of Jwu910

• 29.4 Avg MPG

• New Mazda 3

  2015 Mazda 3 I Touring 2.0L L4 GAS Automatic 6 Speed Sedan
  Added Sep 2016 • 195 Fuel-ups

  Property of andrewc2

• 32.3 Avg MPG

• Mazda 3

  2015 Mazda 3 2.5L L4 GAS Automatic 6 Speed Sedan
  Added Sep 2015 • 126 Fuel-ups

  Property of streetsharK

• 32.3 Avg MPG

• Mazda3

  2015 Mazda 3 GT 2.5L L4 GAS Automatic 6 Speed
  Added May 2016 • 238 Fuel-ups

  Property of Kardnal

• 27.8 Avg MPG

• My Mazda

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS Automatic 6 Speed
  Added May 2021 • 102 Fuel-ups

  Property of katiejo12

• 28.9 Avg MPG

• Mazda 3 2015

  2015 Mazda 3 MAXX L4 GAS Manual 6 Speed Hatchback
  Added Mar 2020 • 159 Fuel-ups

  Property of domenicof1

• 30.3 Avg MPG

• 3

  2015 Mazda 3 i SV 2.0L L4 GAS Manual 6 Speed Sedan
  Added Jul 2024 • 24 Fuel-ups

  Property of Mortado

• 33.3 Avg MPG

• Mazda 3

  2015 Mazda 3 SportNav
  Added Sep 2023 • 54 Fuel-ups

  Property of wisozem

• 35.5 Avg MPG

• Mazderati

  2015 Mazda 3 s Grand Touring 2.5L L4 GAS Standard 6 Speed
  Added Sep 2016 • 278 Fuel-ups

  Property of eburghar

• 26.6 Avg MPG

• Mazda 3

  2015 Mazda 3 I Touring 2.0L L4 GAS Automatic 6 Speed
  Added Nov 2015 • 224 Fuel-ups

  Property of hamdonas

• 27.0 Avg MPG

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