2026 head-to-head · Large Car
2026 Porsche Panamera vs Tesla Model S
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 Tesla Model S is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas and 18¢/kWh electricity, it costs about $732 a year to fuel (124 MPGe), versus $2,821 for the 2026 Porsche Panamera (21 MPG). That's roughly $2,090 a year, or about $10,449 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 Panamera
- Tesla Model S
Side by side
| Porsche Panamera | Tesla Model S | |
|---|---|---|
| $2,821 | Your annual fuel cost | $732 |
| 21 MPG | Combined efficiency | 124 MPGe |
| 18 MPG | City | 132 MPGe |
| 25 MPG | Highway | 116 MPGe |
| — | Electricity use (kWh/100 mi) | 27.1 kWh |
| — | Driving range | 410 mi |
| 98 cu ft | Passenger volume | 94 cu ft |
| 27 cu ft | Cargo volume | 26 cu ft |
| 431 g/mi | Tailpipe CO₂ (g/mi) | 0 g/mi |
| 4/10 | EPA fuel economy score | 10/10 |
| 4/10 | EPA greenhouse gas score | 10/10 |
| — | Charge time at 240V | 9.7 hrs |
| Gas | Powertrain | Electric |
| Premium gasoline | Fuel | Electricity |
| 2.9L 6-cyl turbo | Engine / motor | Electric motors (491 kW) |
| 8-speed dual-clutch | Transmission | Single-speed |
| RWD | Drivetrain | AWD |
✓ 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 Panamera vs Tesla Model S across model years
- Porsche Panamera
- Tesla Model S
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 Porsche Panamera has more passenger space (98 vs. 94 cu ft); the Porsche Panamera has more cargo space (27 vs. 26 cu ft).
Among 24 2026 large cars, the Porsche Panamera ranks 18th and the Tesla Model S 2nd for lowest fuel cost.
Because the Tesla Model S is fully electric, it has no tailpipe emissions and its running cost depends almost entirely on your electricity rate. Cheap overnight home charging widens its advantage over the Porsche Panamera; relying on DC fast chargers can erase it.
Frequently asked questions
Which is more fuel-efficient, the 2026 Porsche Panamera or the 2026 Tesla Model S?
Measured by cost to drive, the Tesla Model S. The Porsche Panamera is rated 21 MPG combined and the Tesla Model S 124 MPGe (EPA, most efficient configuration of each).
How much does it cost to fuel the 2026 Porsche Panamera vs. the Tesla Model S per year?
At 15,000 miles a year with $3.95/gal premium gas and 18¢/kWh electricity, about $2,821 for the Porsche Panamera and $732 for the Tesla Model S.
Which has more cargo space?
The Porsche Panamera, with 27 cu ft of luggage volume versus 26 cu ft (EPA interior volume index).
Porsche Panamera vs Tesla Model S in other years
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