Based on data from 837 vehicles, 73,229 fuel-ups and 23,783,546 miles of driving, the 2012 Mazda 3 gets a combined Avg MPG of 29.92 with a 0.05 MPG margin of error.

Any Engine Type 2.0L L4 GAS (313) 2.3L L4 GAS (69) 2.5L L4 GAS (29) GAS (15) H2 GAS (1) H4 DIESEL (1) L2 GAS (12) L4 GAS (257) V4 DIESEL (1) V4 GAS (4) Any Body Style Sedan (107) Wagon (1) Hatchback (133) Coupe (1) Any Submodel 2.2 Diesel (1) 1.6 Diesel (2) GT (9) 1.6 (12) GS (13) GX (14) Grand Touring (17) S (23) i Grand Touring (41) i (59) GS-SKY (97) Mazdaspeed (100) I Touring (139) Other (310)

Below you can see a distribution of the fuel-ups with 863 outliers (1.16%) removed.

Following shows the average MPG of each of the 837 vehicles in the system.

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• Rachel’s Mazda3

  2012 Mazda 3 GS-SKY 2.0L L4 GAS Automatic 6 Speed
  Added Feb 2019 • 169 Fuel-ups

  Property of Seth

• 30.2 Avg MPG

• Mazda 3

  2012 Mazda 3 I Touring 2.0L L4 GAS Automatic 6 Speed Sedan
  Added Dec 2024 • 26 Fuel-ups

  Property of Kneekohlie

• 38.3 Avg MPG

• Zoom-Zoom

  2012 Mazda 3 GS-SKY 2.0L L4 GAS Automatic 6 Speed
  Added Apr 2012 • 307 Fuel-ups

  Property of codetrap

• 32.1 Avg MPG

• Bluey

  2012 Mazda 3 i 2.0L L4 GAS Manual 6 Speed Hatchback
  Added May 2025 • 3 Fuel-ups

  Property of Easystreet

• 40.9 Avg MPG

• Nicks Mazda3

  2012 Mazda 3 GAS L2
  Added May 2014 • 449 Fuel-ups

  Property of nrjank

• 30.5 Avg MPG

• My 3

  2012 Mazda 3 I Touring 2.0L L4 GAS Automatic 5 Speed
  Added Nov 2024 • 26 Fuel-ups

  Property of eyeofthedriver

• 28.6 Avg MPG

• Bulba Mazda3

  2012 Mazda 3 S 2.5L L4 GAS Automatic 5 Speed Hatchback
  Added Oct 2024 • 29 Fuel-ups

  Property of Foodie

• 21.0 Avg MPG

• Maza

  2012 Mazda 3 1.6 V4 GAS Automatic Hatchback
  Added Oct 2017 • 80 Fuel-ups

  Property of Spharkii

• 23.0 Avg MPG

• Mazda 3

  2012 Mazda 3 I Touring 2.0L L4 GAS Sedan
  Added Nov 2021 • 155 Fuel-ups

  Property of swol137

• 31.5 Avg MPG

• Mazda 3

  2012 Mazda 3 1.6
  Added Nov 2018 • 331 Fuel-ups

  Property of Nithink

• 23.2 Avg MPG

• Mazda 3

  2012 Mazda 3 S 2.5L L4 GAS Manual 6 Speed
  Added Jul 2021 • 265 Fuel-ups

  Property of superhulk117

• 27.3 Avg MPG

• Mazdaspeed3

  2012 Mazda 3 Mazdaspeed 2.3L L4 GAS Standard 6 Speed Hatchback
  Added Sep 2016 • 520 Fuel-ups

  Property of bsteimel

• 23.0 Avg MPG

• BlackMS3

  2012 Mazda 3 Mazdaspeed 2.3L L4 GAS Manual 6 Speed Hatchback
  Added Mar 2020 • 217 Fuel-ups

  Property of ReckItRolf

• 23.9 Avg MPG

• Mazda3

  2012 Mazda 3 GS-SKY 2.0L L4 GAS Automatic 6 Speed
  Added Sep 2015 • 302 Fuel-ups

  Property of jamiesonanderson

• 28.1 Avg MPG

• Mazda3

  2012 Mazda 3 I Touring 2.0L L4 GAS Automatic 5 Speed
  Added Aug 2016 • 212 Fuel-ups

  Property of themachine

• 30.5 Avg MPG

• Silver Bullet

  2012 Mazda 3 I Touring 2.0L L4 GAS Manual 6 Speed Sedan
  Added Dec 2023 • 82 Fuel-ups

  Property of PahkahK

• 36.1 Avg MPG

• 2012 Mazda 3

  2012 Mazda 3 GS-SKY 2.0L L4 GAS Automatic 6 Speed Sedan
  Added Sep 2024 • 30 Fuel-ups

  Property of Magnusmm1999

• 33.2 Avg MPG

• Mazda3

  2012 Mazda 3 i 2.0L L4 GAS Automatic 5 Speed
  Added Apr 2017 • 127 Fuel-ups

  Property of cyantoast

• 27.7 Avg MPG

• 2012 Mazda 3 Touring

  2012 Mazda 3 I Touring 2.0L L4 GAS Manual 6 Speed Sedan
  Added May 2024 • 47 Fuel-ups

  Property of MPA

• 30.6 Avg MPG

• Mazda3 i Sport

  2012 Mazda 3 L4 GAS Automatic 5 Speed
  Added Nov 2011 • 479 Fuel-ups

  Property of Dauglos

• 34.5 Avg MPG

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