2025 head-to-head · Large Car
2025 Genesis G80 vs Porsche Panamera
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 Genesis G80 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 $2,821 for the 2025 Porsche Panamera (21 MPG). That's roughly $353 a year, or about $1,763 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
- Genesis G80
- Porsche Panamera
Side by side
| Genesis G80 | Porsche Panamera | |
|---|---|---|
| $2,469 | Your annual fuel cost | $2,821 |
| 24 MPG | Combined efficiency | 21 MPG |
| 20 MPG | City | 18 MPG |
| 29 MPG | Highway | 25 MPG |
| 107 cu ft | Passenger volume | 98 cu ft |
| 15 cu ft | Cargo volume | 27 cu ft |
| 377 g/mi | Tailpipe CO₂ (g/mi) | 431 g/mi |
| 5/10 | EPA fuel economy score | 4/10 |
| 5/10 | EPA greenhouse gas score | 4/10 |
| Gas | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 2.5L 4-cyl turbo | Engine / motor | 2.9L 6-cyl turbo |
| 8-speed automatic | Transmission | 8-speed dual-clutch |
| AWD | 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.
Genesis G80 vs Porsche Panamera across model years
- Genesis G80
- Porsche Panamera
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 Genesis G80 has more passenger space (107 vs. 98 cu ft); the Porsche Panamera has more cargo space (27 vs. 15 cu ft).
Among 25 2025 large cars, the Genesis G80 ranks 17th and the Porsche Panamera 19th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2025 Genesis G80 or the 2025 Porsche Panamera?
Measured by cost to drive, the Genesis G80. The Genesis G80 is rated 24 MPG combined and the Porsche Panamera 21 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2025 Genesis G80 vs. the Porsche Panamera per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,469 for the Genesis G80 and $2,821 for the Porsche Panamera.
Which has more cargo space?
The Porsche Panamera, with 27 cu ft of luggage volume versus 15 cu ft (EPA interior volume index).
Genesis G80 vs Porsche Panamera in other years
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