Based on data from 811 vehicles, 69,263 fuel-ups and 22,542,659 miles of driving, the 2012 Mazda 3 gets a combined Avg MPG of 29.94 with a 0.05 MPG margin of error.

Any Engine Type 2.0L L4 GAS (292) 2.3L L4 GAS (68) 2.5L L4 GAS (27) GAS (15) H2 GAS (1) H4 DIESEL (1) L2 GAS (12) L4 GAS (255) V4 GAS (4) Any Body Style Sedan (95) Wagon (1) Hatchback (128) Coupe (1) Any Submodel 1.6 Diesel (2) GT (9) GS (11) 1.6 (12) GX (13) Grand Touring (17) S (21) i Grand Touring (40) i (55) GS-SKY (93) Mazdaspeed (99) I Touring (129) Other (310)

Below you can see a distribution of the fuel-ups with 765 outliers (1.09%) removed.

Following shows the average MPG of each of the 811 vehicles in the system.

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• Jessica 2012 Mazda 2.5

  2012 Mazda 3 i Grand Touring
  Added Aug 2016 • 266 Fuel-ups

  Property of moyerd

• 26.5 Avg MPG

• Rachel’s Mazda3

  2012 Mazda 3 GS-SKY 2.0L L4 GAS Automatic 6 Speed
  Added Feb 2019 • 140 Fuel-ups

  Property of Seth

• 30.4 Avg MPG

• Mazda 3

  2012 Mazda 3 GS-SKY 2.0L L4 GAS Automatic 6 Speed
  Added Sep 2016 • 470 Fuel-ups

  Property of JimTinsley

• 36.8 Avg MPG

• Mazdaspeed 3

  2012 Mazda 3 Mazdaspeed 2.3L L4 GAS Manual 6 Speed
  Added Sep 2016 • 490 Fuel-ups

  Property of therza2169

• 21.8 Avg MPG

• ‘12 Mazda3

  2012 Mazda 3 i 2.0L L4 GAS Automatic 5 Speed
  Added Apr 2021 • 168 Fuel-ups

  Property of LorenPrice

• 31.7 Avg MPG

• My 3

  2012 Mazda 3 1.6
  Added Nov 2023 • 35 Fuel-ups

  Property of gogumakim

• 33.9 Avg MPG

• Mazda3

  2012 Mazda 3 i 2.0L L4 GAS Automatic 5 Speed
  Added Aug 2019 • 162 Fuel-ups

  Property of MHa6

• 29.2 Avg MPG

• Nemo

  2012 Mazda 3 I Touring 2.0L L4 GAS Automatic 5 Speed
  Added Aug 2021 • 91 Fuel-ups

  Property of JGON85

• 30.1 Avg MPG

• Mazda 3

  2012 Mazda 3 S 2.5L L4 GAS Hatchback
  Added Dec 2017 • 218 Fuel-ups

  Property of artimeg

• 34.1 Avg MPG

• Mazda 3

  2012 Mazda 3 I Touring 2.0L L4 GAS Sedan
  Added Nov 2021 • 105 Fuel-ups

  Property of swol137

• 31.1 Avg MPG

• Liara

  2012 Mazda 3 Mazdaspeed 2.3L L4 GAS Manual 6 Speed Hatchback
  Added Dec 2021 • 272 Fuel-ups

  Property of fyardie17

• 22.8 Avg MPG

• Mazda3

  2012 Mazda 3 i 2.0L L4 GAS Standard 5 Speed Sedan
  Added Apr 2018 • 332 Fuel-ups

  Property of myfamilyrules

• 31.3 Avg MPG

• M3

  2012 Mazda 3 I Touring 2.0L L4 GAS Automatic 5 Speed
  Added Mar 2021 • 157 Fuel-ups

  Property of chuymaldop

• 26.9 Avg MPG

• Mazda 3

  2012 Mazda 3 I Touring 2.0L L4 GAS Standard 5 Speed
  Added Oct 2017 • 247 Fuel-ups

  Property of spass1234

• 36.9 Avg MPG

• 2012 Zoom Zoom Mazda

  2012 Mazda 3 I Touring 2.0L L4 GAS Automatic 5 Speed
  Added Oct 2018 • 275 Fuel-ups

  Property of LKochak

• 32.9 Avg MPG

• Christine's Mazda

  2012 Mazda 3 I Touring 2.0L L4 GAS Automatic 5 Speed Sedan
  Added Feb 2017 • 61 Fuel-ups

  Property of samsunite00

• 31.4 Avg MPG

• Mazda3i Touring

  2012 Mazda 3 i 2.0L L4 GAS Automatic 6 Speed
  Added Nov 2023 • 23 Fuel-ups

  Property of Ben-Jammin

• 32.2 Avg MPG

• Myst

  2012 Mazda 3 I Touring 2.0L L4 GAS Automatic 5 Speed Sedan
  Added Dec 2015 • 296 Fuel-ups

  Property of Shifty54

• 30.3 Avg MPG

• Mazda 3 Hatch

  2012 Mazda 3 I Touring 2.0L L4 GAS Automatic 5 Speed
  Added Sep 2021 • 133 Fuel-ups

  Property of rquinn732

• 38.0 Avg MPG

• Mazdarati

  2012 Mazda 3 1.6 GAS Manual 5 Speed Hatchback
  Added Jul 2023 • 7 Fuel-ups

  Property of Lou70

• 37.7 Avg MPG

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