Based on data from 79 vehicles, 5,349 fuel-ups and 1,303,084 miles of driving, the 2021 Mazda CX-30 gets a combined Avg MPG of 26.39 with a 0.14 MPG margin of error.

Any Engine Type 2.5L L4 GAS (18) L4 FLEX (1) L4 GAS (6) Any Body Style Wagon (1) Hatchback (2) Sport Utility (12) Any Submodel GS (1) 2.5 Turbo (1) Sport Lux (1) GT (2) I Sport (2) 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 184 outliers (3.33%) removed.

Following shows the average MPG of each of the 79 vehicles in the system.

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• My CX-30

  2021 Mazda CX-30 2.5 S 2.5L L4 GAS Automatic 6 Speed
  Added Jul 2023 • 131 Fuel-ups

  Property of msl8dy

• 31.0 Avg MPG

• My CX-30

  2021 Mazda CX-30 Select
  Added Apr 2024 • 36 Fuel-ups

  Property of Zian_Tng

• 31.0 Avg MPG

• Sonic (Baby Pepper Leaf)

  2021 Mazda CX-30 Turbo Premium
  Added Jul 2024 • 13 Fuel-ups

  Property of mhamblen

• 20.4 Avg MPG

• My CX-30

  2021 Mazda CX-30 Turbo Premium
  Added Oct 2022 • 197 Fuel-ups

  Property of mattardel

• 23.7 Avg MPG

• My CX-30

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

  Property of invictusjoff

• 39.7 Avg MPG

• My CX-30

  2021 Mazda CX-30 2.5 S 2.5L L4 GAS Automatic 6 Speed
  Added Oct 2023 • 118 Fuel-ups

  Property of bennii

• 26.0 Avg MPG

• Red-My CX-30

  2021 Mazda CX-30 i Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Dec 2021 • 220 Fuel-ups

  Property of sadieb

• 27.1 Avg MPG

• CX-30 Turbo

  2021 Mazda CX-30 Turbo Premium L4 GAS Automatic 6 Speed Sport Utility
  Added Mar 2021 • 178 Fuel-ups

  Property of Doedrums

• 27.9 Avg MPG

• CX-30

  2021 Mazda CX-30 Turbo Premium Automatic 6 Speed Wagon
  Added Oct 2021 • 141 Fuel-ups

  Property of wolf2600

• 22.1 Avg MPG

• CX-30

  2021 Mazda CX-30 i Grand Touring 2.5L L4 GAS Automatic 6 Speed Sport Utility
  Added May 2021 • 155 Fuel-ups

  Property of duvalc

• 27.1 Avg MPG

• My CX-30

  2021 Mazda CX-30 Turbo Premium
  Added Feb 2021 • 178 Fuel-ups

  Property of bradwitt

• 29.2 Avg MPG

• My CX-30

  2021 Mazda CX-30 Select
  Added Jul 2021 • 100 Fuel-ups

  Property of Hurlopz

• 24.2 Avg MPG

• Mazda CX-30

  2021 Mazda CX-30 Active G L4 FLEX
  Added Mar 2025 • 32 Fuel-ups

  Property of Cavagnini

• 50.9 Avg MPG

• 2021 Mazda CX-30

  2021 Mazda CX-30 Select
  Added Jul 2021 • 111 Fuel-ups

  Property of rchuck

• 27.7 Avg MPG

• My CX-30

  2021 Mazda CX-30 Select
  Added Jun 2024 • 32 Fuel-ups

  Property of RyanTheG93

• 28.1 Avg MPG

• My CX-30

  2021 Mazda CX-30 Select
  Added Mar 2022 • 170 Fuel-ups

  Property of RyanClark

• 33.0 Avg MPG

• My CX-30

  2021 Mazda CX-30 Turbo Premium
  Added Nov 2021 • 70 Fuel-ups

  Property of EmilyAnne

• 25.4 Avg MPG

• CX-30

  2021 Mazda CX-30 Turbo Premium
  Added Oct 2020 • 161 Fuel-ups

  Property of shuttle128

• 29.6 Avg MPG

• My CX-30

  2021 Mazda CX-30 Preferred
  Added Feb 2025 • 8 Fuel-ups

  Property of budda919

• 24.6 Avg MPG

• My CX-30

  2021 Mazda CX-30 Turbo Premium
  Added Sep 2021 • 249 Fuel-ups

  Property of gearman

• 27.7 Avg MPG

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