Based on data from 56 vehicles, 3,204 fuel-ups and 818,250 miles of driving, the 2021 Mazda MX-5 Miata gets a combined Avg MPG of 31.70 with a 0.18 MPG margin of error.

Any Engine Type 2.0L L4 GAS (55) L4 GAS (1) Any Body Style Convertible (29) Targa (1) Any Submodel GS-P (1) 100th Anniversary Special Edition (2) GT (4) RF GT (5) 1.5 RS CVT Honda SENSING (6) RF Club (6) RF Grand Touring (6) Club (8) Grand Touring (18)

Below you can see a distribution of the fuel-ups with 57 outliers (1.75%) removed.

Following shows the average MPG of each of the 56 vehicles in the system.

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• MX-5 GT

  2021 Mazda MX-5 Miata Grand Touring 2.0L L4 GAS Manual 6 Speed Convertible
  Added Mar 2021 • 225 Fuel-ups

  Property of TyberZ52

• 25.9 Avg MPG

• Mr Miata

  2021 Mazda MX-5 Miata Grand Touring 2.0L L4 GAS Manual 6 Speed
  Added Dec 2024 • 31 Fuel-ups

  Property of PbF00T

• 36.7 Avg MPG

• Miata

  2021 Mazda MX-5 Miata RF Club 2.0L L4 GAS Manual 6 Speed Convertible
  Added Aug 2025 • 12 Fuel-ups

  Property of BurgerWilliams

• 34.3 Avg MPG

• 2021 Mazda MX-5 Miata

  2021 Mazda MX-5 Miata Grand Touring 2.0L L4 GAS Manual 6 Speed
  Added Aug 2025 • 8 Fuel-ups

  Property of TimButterfield

• 34.5 Avg MPG

• My MX-5 Miata

  2021 Mazda MX-5 Miata Grand Touring 2.0L L4 GAS Manual 6 Speed
  Added Jul 2025 • 6 Fuel-ups

  Property of musicman1493

• 30.2 Avg MPG

• Mazda MX-5 Miata

  2021 Mazda MX-5 Miata RF Grand Touring 2.0L L4 GAS Manual 6 Speed Convertible
  Added Feb 2025 • 16 Fuel-ups

  Property of kk12

• 32.1 Avg MPG

• Kristiaän’s Miata

  2021 Mazda MX-5 Miata Grand Touring 2.0L L4 GAS Manual 6 Speed
  Added Sep 2021 • 107 Fuel-ups

  Property of markmerritt

• 30.8 Avg MPG

• My MX-5 Miata

  2021 Mazda MX-5 Miata RF GT 2.0L L4 GAS Manual 6 Speed
  Added Nov 2024 • 53 Fuel-ups

  Property of frfrank1

• 32.0 Avg MPG

• SmileMobile

  2021 Mazda MX-5 Miata RF GT 2.0L L4 GAS Manual 6 Speed Convertible
  Added Feb 2023 • 47 Fuel-ups

  Property of omarwomar

• 37.8 Avg MPG

• Space Ghost

  2021 Mazda MX-5 Miata GT 2.0L L4 GAS Manual 6 Speed Convertible
  Added Jul 2021 • 210 Fuel-ups

  Property of rfortson

• 31.2 Avg MPG

• My MX-5 Miata

  2021 Mazda MX-5 Miata RF Grand Touring 2.0L L4 GAS Manual 6 Speed
  Added Jan 2022 • 119 Fuel-ups

  Property of toshmagosh

• 33.2 Avg MPG

• Boy's MX-5 Miata

  2021 Mazda MX-5 Miata RF Grand Touring 2.0L L4 GAS Automatic 6 Speed
  Added Dec 2024 • 20 Fuel-ups

  Property of njenslin

• 26.2 Avg MPG

• My MX-5 Miata

  2021 Mazda MX-5 Miata Club 2.0L L4 GAS Manual 6 Speed
  Added Mar 2024 • 31 Fuel-ups

  Property of megan21

• 34.5 Avg MPG

• mx5 100

  2021 Mazda MX-5 Miata 100th Anniversary Special Edition 2.0L L4 GAS Manual 6 Speed
  Added May 2021 • 406 Fuel-ups

  Property of ac143

• 31.3 Avg MPG

• Miata ND

  2021 Mazda MX-5 Miata Club 2.0L L4 GAS Manual 6 Speed
  Added Jul 2021 • 43 Fuel-ups

  Property of sgtpeper67

• 35.4 Avg MPG

• Black Sunshine

  2021 Mazda MX-5 Miata Grand Touring 2.0L L4 GAS Manual 6 Speed
  Added Apr 2021 • 360 Fuel-ups

  Property of chivago

• 32.6 Avg MPG

• Crys

  2021 Mazda MX-5 Miata GT 2.0L L4 GAS Manual 6 Speed
  Added Jun 2025 • 3 Fuel-ups

  Property of Arz12793

• 36.2 Avg MPG

• My MX-5 Miata

  2021 Mazda MX-5 Miata RF GT 2.0L L4 GAS Manual 6 Speed
  Added Apr 2021 • 48 Fuel-ups

  Property of wilesone

• 30.1 Avg MPG

• Miata

  2021 Mazda MX-5 Miata RF GT 2.0L L4 GAS Automatic 6 Speed Convertible
  Added Apr 2021 • 58 Fuel-ups

  Property of Captainslow92

• 31.8 Avg MPG

• ND2

  2021 Mazda MX-5 Miata Grand Touring 2.0L L4 GAS Manual 6 Speed Convertible
  Added Mar 2022 • 23 Fuel-ups

  Property of Preston

• 23.3 Avg MPG

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