2021 head-to-head · Two-Seater

2021 Mazda MX-5 vs Toyota GR Supra

MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.

Swap sides
✓ Cheaper to run
$1,975/ year to fuel
30 MPG
✓ Cheaper to run
$2,116/ year to fuel
28 MPG

The 2021 Mazda MX-5 is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $1,975 a year to fuel (30 MPG), versus $2,116 for the 2021 Toyota GR Supra (28 MPG). That's roughly $141 a year, or about $705 over five years.

Your numbers

Change these to match your driving and local prices. Every figure and chart on this page updates.

Fuel cost over 10 years

  • Mazda MX-5
  • Toyota GR Supra

Side by side

Mazda MX-5Toyota GR Supra
$1,975 Your annual fuel cost $2,116
30 MPG Combined efficiency 28 MPG
26 MPG City 25 MPG
35 MPG Highway 32 MPG
299 g/mi Tailpipe CO₂ (g/mi) 321 g/mi
6/10 EPA fuel economy score 6/10
6/10 EPA greenhouse gas score 6/10
Gas Powertrain Gas
Premium gasoline Fuel Premium gasoline
2.0L 4-cyl Engine / motor 2.0L 4-cyl turbo
6-speed automatic Transmission 8-speed automatic
RWD Drivetrain RWD

✓ marks the better value. EPA scores run 1–10 (10 is best). Volumes come from the EPA interior volume index and aren't published for every body style.

Mazda MX-5 vs Toyota GR Supra across model years

  • Mazda MX-5
  • Toyota GR Supra

Annual fuel cost of the most efficient configuration of each model year, at your prices. Click a point to open that year.

How they differ

Among 27 2021 two-seaters, the Mazda MX-5 ranks 2nd and the Toyota GR Supra 4th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2021 Mazda MX-5 or the 2021 Toyota GR Supra?

Measured by cost to drive, the Mazda MX-5. The Mazda MX-5 is rated 30 MPG combined and the Toyota GR Supra 28 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2021 Mazda MX-5 vs. the Toyota GR Supra per year?

At 15,000 miles a year with $3.95/gal premium gas, about $1,975 for the Mazda MX-5 and $2,116 for the Toyota GR Supra.

Mazda MX-5 vs Toyota GR Supra in other years

More 2021 comparisons

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