Based on data from 81 vehicles, 5,645 fuel-ups and 1,377,903 miles of driving, the 2021 Mazda CX-30 gets a combined Avg MPG of 26.38 with a 0.13 MPG margin of error.

Any Engine Type 2.5L L4 GAS (20) L4 FLEX (1) L4 GAS (6) Any Body Style Wagon (1) Hatchback (2) Sport Utility (13) Any Submodel GS (1) Sport Lux (1) 2.5 Turbo (2) I Sport (2) GT (3) i Grand Touring (3) Base (4) 2.5 S (5) Preferred (9) Select (11) Turbo Premium (35) Other (5)

Below you can see a distribution of the fuel-ups with 200 outliers (3.42%) removed.

Following shows the average MPG of each of the 81 vehicles in the system.

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• My CX-30

  2021 Mazda CX-30 Turbo Premium
  Added Nov 2021 • 148 Fuel-ups

  Property of XXOntheway

• 24.5 Avg MPG

• My CX-30

  2021 Mazda CX-30 Turbo Premium
  Added Apr 2021 • 77 Fuel-ups

  Property of jenyan

• 27.6 Avg MPG

• Mazda CX-30

  2021 Mazda CX-30 Active G L4 FLEX
  Added Mar 2025 • 40 Fuel-ups

  Property of Cavagnini

• 48.4 Avg MPG

• 2021 Mazda CX-30

  2021 Mazda CX-30 Select
  Added Jul 2021 • 119 Fuel-ups

  Property of rchuck

• 27.6 Avg MPG

• Mazda Cx-30

  2021 Mazda CX-30 2.5 S 2.5L L4 GAS Automatic 6 Speed Sport Utility
  Added May 2023 • 70 Fuel-ups

  Property of rtum999o

• 25.5 Avg MPG

• My CX-30

  2021 Mazda CX-30 I Sport 2.5L L4 GAS Automatic 6 Speed
  Added Jun 2021 • 59 Fuel-ups

  Property of bart35

• 24.9 Avg MPG

• CX-30

  2021 Mazda CX-30 i Grand Touring 2.5L L4 GAS Automatic 6 Speed Sport Utility
  Added May 2021 • 160 Fuel-ups

  Property of duvalc

• 27.1 Avg MPG

• My CX-30

  2021 Mazda CX-30 2.5 S 2.5L L4 GAS Automatic 6 Speed
  Added Oct 2023 • 127 Fuel-ups

  Property of bennii

• 25.9 Avg MPG

• My CX-30

  2021 Mazda CX-30 GS 2.5L L4 GAS Automatic 6 Speed
  Added Oct 2024 • 38 Fuel-ups

  Property of iKanawati

• 26.3 Avg MPG

• My CX-30

  2021 Mazda CX-30 2.5 S 2.5L L4 GAS Automatic 6 Speed
  Added Jul 2023 • 147 Fuel-ups

  Property of msl8dy

• 31.2 Avg MPG

• Red-My CX-30

  2021 Mazda CX-30 i Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Dec 2021 • 227 Fuel-ups

  Property of sadieb

• 27.1 Avg MPG

• My CX-30

  2021 Mazda CX-30 Turbo Premium
  Added Feb 2021 • 185 Fuel-ups

  Property of bradwitt

• 29.2 Avg MPG

• My CX-30

  2021 Mazda CX-30 Turbo Premium
  Added Jan 2021 • 251 Fuel-ups

  Property of sandiegojoey

• 20.7 Avg MPG

• My CX-30

  2021 Mazda CX-30 Turbo Premium
  Added Jul 2022 • 63 Fuel-ups

  Property of Panhasok

• 24.3 Avg MPG

• My CX-30

  2021 Mazda CX-30 Select
  Added Apr 2024 • 44 Fuel-ups

  Property of Zian_Tng

• 31.3 Avg MPG

• CX-30

  2021 Mazda CX-30
  Added Sep 2021 • 57 Fuel-ups

  Property of Whizzard

• 23.9 Avg MPG

• Mazda CX-30

  2021 Mazda CX-30 i Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Mar 2021 • 154 Fuel-ups

  Property of Bl101

• 28.9 Avg MPG

• My CX-30

  2021 Mazda CX-30 Sport Lux
  Added Aug 2024 • 37 Fuel-ups

  Property of invictusjoff

• 39.3 Avg MPG

• Mazda

  2021 Mazda CX-30 Turbo Premium Automatic 6 Speed Sport Utility
  Added Oct 2022 • 103 Fuel-ups

  Property of muthu328

• 21.2 Avg MPG

• My CX-30

  2021 Mazda CX-30 Turbo Premium
  Added Nov 2021 • 75 Fuel-ups

  Property of EmilyAnne

• 25.5 Avg MPG

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