2026 head-to-head · Subcompact Car
2026 Mercedes-Benz AMG GT Hybrid vs Porsche 911
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 2026 Mercedes-Benz AMG GT Hybrid is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,693 a year to fuel (22 MPG), versus $2,821 for the 2026 Porsche 911 (21 MPG). That's roughly $128 a year, or about $641 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 AMG GT Hybrid
- Porsche 911
Side by side
| Mercedes-Benz AMG GT Hybrid | Porsche 911 | |
|---|---|---|
| $2,693 | Your annual fuel cost | $2,821 |
| 22 MPG | Combined efficiency | 21 MPG |
| 19 MPG | City | 18 MPG |
| 27 MPG | Highway | 25 MPG |
| 81 cu ft | Passenger volume | 70 cu ft |
| 16 cu ft | Cargo volume | 5 cu ft |
| 405 g/mi | Tailpipe CO₂ (g/mi) | 424 g/mi |
| 4/10 | EPA fuel economy score | 4/10 |
| 4/10 | EPA greenhouse gas score | 4/10 |
| Hybrid | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 2.0L 4-cyl turbo | Engine / motor | 3.0L 6-cyl turbo |
| 9-speed automatic | Transmission | 8-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 AMG GT Hybrid vs Porsche 911 across model years
- Mercedes-Benz AMG GT Hybrid
- Porsche 911
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
Per EPA interior volume figures, the Mercedes-Benz AMG GT Hybrid has more passenger space (81 vs. 70 cu ft); the Mercedes-Benz AMG GT Hybrid has more cargo space (16 vs. 5 cu ft).
Among 26 2026 subcompact cars, the Mercedes-Benz AMG GT Hybrid ranks 17th and the Porsche 911 18th for lowest fuel cost.
The powertrains differ: the Mercedes-Benz AMG GT Hybrid is a full hybrid, while the Porsche 911 is a conventional gas model.
Frequently asked questions
Which is more fuel-efficient, the 2026 Mercedes-Benz AMG GT Hybrid or the 2026 Porsche 911?
Measured by cost to drive, the Mercedes-Benz AMG GT Hybrid. The Mercedes-Benz AMG GT Hybrid is rated 22 MPG combined and the Porsche 911 21 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2026 Mercedes-Benz AMG GT Hybrid vs. the Porsche 911 per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,693 for the Mercedes-Benz AMG GT Hybrid and $2,821 for the Porsche 911.
Which has more cargo space?
The Mercedes-Benz AMG GT Hybrid, with 16 cu ft of luggage volume versus 5 cu ft (EPA interior volume index).
Mercedes-Benz AMG GT Hybrid vs Porsche 911 in other years
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