2021 head-to-head · Large Car
2021 Audi S8 Hybrid 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 · 4.0L 8-cyl turbo · 8-speed automatic · 16 MPG
The 2021 Porsche Panamera is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,962 a year to fuel (20 MPG), versus $3,703 for the 2021 Audi S8 Hybrid (16 MPG). That's roughly $741 a year, or about $3,703 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
- Audi S8 Hybrid
- Porsche Panamera
Side by side
| Audi S8 Hybrid | Porsche Panamera | |
|---|---|---|
| $3,703 | Your annual fuel cost | $2,962 |
| 16 MPG | Combined efficiency | 20 MPG |
| 13 MPG | City | 18 MPG |
| 22 MPG | Highway | 24 MPG |
| 111 cu ft | Passenger volume | 98 cu ft |
| 13 cu ft | Cargo volume | 27 cu ft |
| 545 g/mi | Tailpipe CO₂ (g/mi) | 441 g/mi |
| 2/10 | EPA fuel economy score | 4/10 |
| 2/10 | EPA greenhouse gas score | 4/10 |
| Hybrid | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 4.0L 8-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.
Audi S8 Hybrid vs Porsche Panamera across model years
- Audi S8 Hybrid
- 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 Audi S8 Hybrid has more passenger space (111 vs. 98 cu ft); the Porsche Panamera has more cargo space (27 vs. 13 cu ft).
Among 27 2021 large cars, the Audi S8 Hybrid ranks 25th and the Porsche Panamera 22nd for lowest fuel cost.
The powertrains differ: the Audi S8 Hybrid is a full hybrid, while the Porsche Panamera is a conventional gas model.
Frequently asked questions
Which is more fuel-efficient, the 2021 Audi S8 Hybrid or the 2021 Porsche Panamera?
Measured by cost to drive, the Porsche Panamera. The Audi S8 Hybrid is rated 16 MPG combined and the Porsche Panamera 20 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2021 Audi S8 Hybrid vs. the Porsche Panamera per year?
At 15,000 miles a year with $3.95/gal premium gas, about $3,703 for the Audi S8 Hybrid and $2,962 for the Porsche Panamera.
Which has more cargo space?
The Porsche Panamera, with 27 cu ft of luggage volume versus 13 cu ft (EPA interior volume index).
Audi S8 Hybrid vs Porsche Panamera in other years
More 2021 comparisons
Audi S8 Hybrid vs…
Or compare the 2021 Audi S8 Hybrid with anything else: