2021 Mazda CX-3 MPG

Based on data from 10 vehicles, 1,216 fuel-ups and 259,824 miles of driving, the 2021 Mazda CX-3 gets a combined Avg MPG of 28.35 with a 0.16 MPG margin of error.

Below you can see a distribution of the fuel-ups with 47 outliers (3.72%) removed.

Following shows the average MPG of each of the 10 vehicles in the system.

• My CX-3

  2021 Mazda CX-3 1.5 RS CVT Honda SENSING 2.0L L4 GAS Automatic 6 Speed
  Added Jun 2021 • 216 Fuel-ups

  Property of AGCP08

• 29.2 Avg MPG

• CX-3

  2021 Mazda CX-3 2.0 Dynamic Auto
  Added Apr 2025 • 4 Fuel-ups

  Property of ElBandito78

• 27.8 Avg MPG

• Mazda CX-3

  2021 Mazda CX-3 1.5 RS CVT Honda SENSING 2.0L L4 GAS Automatic 6 Speed
  Added May 2021 • 769 Fuel-ups

  Property of oCoMiK

• 27.8 Avg MPG

• 2021 Cx-3

  2021 Mazda CX-3 1.5 RS CVT Honda SENSING 2.0L L4 GAS Automatic 6 Speed Sport Utility
  Added Mar 2025 • 7 Fuel-ups

  Property of BenD

• 26.9 Avg MPG

• 2021 CX-3

  2021 Mazda CX-3 GS 2,0L L4 GAS Manual 6 Speed Sport Utility
  Added Dec 2024 • 13 Fuel-ups

  Property of JandreHatt

• 36.7 Avg MPG

• Mazda CX-3 2.0L I4

  2021 Mazda CX-3 GS 2.0L L4 GAS Automatic 6 Speed Sport Utility
  Added Jun 2023 • 50 Fuel-ups

  Property of Wartank

• 29.7 Avg MPG

• My CX-3

  2021 Mazda CX-3 GS 2.0L L4 GAS Automatic 6 Speed
  Added Apr 2021 • 168 Fuel-ups

  Property of sirgol333

• 28.1 Avg MPG

• CX-3

  2021 Mazda CX-3 1.5 RS CVT Honda SENSING 2.0L L4 GAS Automatic 6 Speed Sport Utility
  Added Nov 2022 • 15 Fuel-ups

  Property of bharvey67

• 32.4 Avg MPG

• My CX-3

  2021 Mazda CX-3 1.5 RS CVT Honda SENSING 2.0L L4 GAS Automatic 6 Speed
  Added Sep 2021 • 41 Fuel-ups

  Property of hotgtx

• 29.9 Avg MPG

• My CX-3

  2021 Mazda CX-3 1.5 RS CVT Honda SENSING 2.0L L4 GAS Automatic 6 Speed
  Added Feb 2022 • 5 Fuel-ups

  Property of Purin22

• 23.6 Avg MPG