2023 head-to-head · Two-Seater
2023 Mercedes-Benz SL-Class Hybrid vs Porsche 718
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
RWD · 2.0L 4-cyl turbo · 9-speed automatic · 23 MPG
The 2023 Porsche 718 is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,469 a year to fuel (24 MPG), versus $2,576 for the 2023 Mercedes-Benz SL-Class Hybrid (23 MPG). That's roughly $107 a year, or about $537 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
- Mercedes-Benz SL-Class Hybrid
- Porsche 718
Side by side
| Mercedes-Benz SL-Class Hybrid | Porsche 718 | |
|---|---|---|
| $2,576 | Your annual fuel cost | $2,469 |
| 23 MPG | Combined efficiency | 24 MPG |
| 21 MPG | City | 21 MPG |
| 27 MPG | Highway | 27 MPG |
| 385 g/mi | Tailpipe CO₂ (g/mi) | 375 g/mi |
| 5/10 | EPA fuel economy score | 5/10 |
| 5/10 | EPA greenhouse gas score | 5/10 |
| Hybrid | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 2.0L 4-cyl turbo | Engine / motor | 2.0L 4-cyl turbo |
| 9-speed automatic | Transmission | 7-speed dual-clutch |
| 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.
Mercedes-Benz SL-Class Hybrid vs Porsche 718 across model years
- Mercedes-Benz SL-Class Hybrid
- Porsche 718
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 2023 two-seaters, the Mercedes-Benz SL-Class Hybrid ranks 7th and the Porsche 718 6th for lowest fuel cost.
The powertrains differ: the Mercedes-Benz SL-Class Hybrid is a full hybrid, while the Porsche 718 is a conventional gas model.
Frequently asked questions
Which is more fuel-efficient, the 2023 Mercedes-Benz SL-Class Hybrid or the 2023 Porsche 718?
Measured by cost to drive, the Porsche 718. The Mercedes-Benz SL-Class Hybrid is rated 23 MPG combined and the Porsche 718 24 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2023 Mercedes-Benz SL-Class Hybrid vs. the Porsche 718 per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,576 for the Mercedes-Benz SL-Class Hybrid and $2,469 for the Porsche 718.
Mercedes-Benz SL-Class Hybrid vs Porsche 718 in other years
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