2026 head-to-head · Large Car
2026 Genesis G90 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.
AWD · 3.5L 6-cyl turbo · 8-speed automatic · 21 MPG
On fuel costs these two are nearly tied. Driving 15,000 miles a year with $3.95/gal premium gas, the most efficient 2026 Genesis G90 (21 MPG) costs about $2,821 a year to fuel and the 2026 Porsche Panamera (21 MPG) about $2,821.
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 G90
- Porsche Panamera
Side by side
| Genesis G90 | Porsche Panamera | |
|---|---|---|
| $2,821 | Your annual fuel cost | $2,821 |
| 21 MPG | Combined efficiency | 21 MPG |
| 18 MPG | City | 18 MPG |
| 26 MPG | Highway | 25 MPG |
| 109 cu ft | Passenger volume | 98 cu ft |
| 12 cu ft | Cargo volume | 27 cu ft |
| 426 g/mi | Tailpipe CO₂ (g/mi) | 431 g/mi |
| 4/10 | EPA fuel economy score | 4/10 |
| 4/10 | EPA greenhouse gas score | 4/10 |
| Gas | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 3.5L 6-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 G90 vs Porsche Panamera across model years
- Genesis G90
- 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 G90 has more passenger space (109 vs. 98 cu ft); the Porsche Panamera has more cargo space (27 vs. 12 cu ft).
Among 24 2026 large cars, the Genesis G90 ranks 19th and the Porsche Panamera 18th for lowest fuel cost.
Frequently asked questions
How much does it cost to fuel the 2026 Genesis G90 vs. the Porsche Panamera per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,821 for the Genesis G90 and $2,821 for the Porsche Panamera.
Which has more cargo space?
The Porsche Panamera, with 27 cu ft of luggage volume versus 12 cu ft (EPA interior volume index).
Genesis G90 vs Porsche Panamera in other years
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