2025 head-to-head · Two-Seater
2025 Porsche 718 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.
The 2025 Toyota GR Supra is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,194 a year to fuel (27 MPG), versus $2,469 for the 2025 Porsche 718 (24 MPG). That's roughly $274 a year, or about $1,372 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
- Porsche 718
- Toyota GR Supra
Side by side
| Porsche 718 | Toyota GR Supra | |
|---|---|---|
| $2,469 | Your annual fuel cost | $2,194 |
| 24 MPG | Combined efficiency | 27 MPG |
| 21 MPG | City | 25 MPG |
| 27 MPG | Highway | 31 MPG |
| 375 g/mi | Tailpipe CO₂ (g/mi) | 322 g/mi |
| 5/10 | EPA fuel economy score | 5/10 |
| 5/10 | EPA greenhouse gas score | 5/10 |
| Gas | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 2.0L 4-cyl turbo | Engine / motor | 2.0L 4-cyl turbo |
| 7-speed dual-clutch | 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.
Porsche 718 vs Toyota GR Supra across model years
- Porsche 718
- 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 20 2025 two-seaters, the Porsche 718 ranks 6th and the Toyota GR Supra 4th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2025 Porsche 718 or the 2025 Toyota GR Supra?
Measured by cost to drive, the Toyota GR Supra. The Porsche 718 is rated 24 MPG combined and the Toyota GR Supra 27 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2025 Porsche 718 vs. the Toyota GR Supra per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,469 for the Porsche 718 and $2,194 for the Toyota GR Supra.
Porsche 718 vs Toyota GR Supra in other years
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