2015 head-to-head · Large Car
2015 Audi A8 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.
On fuel costs these two are nearly tied. Driving 15,000 miles a year with $3.95/gal premium gas, the most efficient 2015 Audi A8 (22 MPG) costs about $2,693 a year to fuel and the 2015 Porsche Panamera (22 MPG) about $2,693.
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 A8
- Porsche Panamera
Side by side
| Audi A8 | Porsche Panamera | |
|---|---|---|
| $2,693 | Your annual fuel cost | $2,693 |
| 22 MPG | Combined efficiency | 22 MPG |
| 18 MPG | City | 18 MPG |
| 30 MPG | Highway | 28 MPG |
| 100 cu ft | Passenger volume | 108 cu ft |
| 15 cu ft | Cargo volume | 16 cu ft |
| 401 g/mi | Tailpipe CO₂ (g/mi) | 413 g/mi |
| 5/10 | EPA fuel economy score | 5/10 |
| 5/10 | EPA greenhouse gas score | 5/10 |
| Gas | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 4.0L 8-cyl turbo | Engine / motor | 3.6L 6-cyl |
| 8-speed automatic | Transmission | 7-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 A8 vs Porsche Panamera across model years
- Audi A8
- 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 Porsche Panamera has more passenger space (108 vs. 100 cu ft); the Porsche Panamera has more cargo space (16 vs. 15 cu ft).
Among 29 2015 large cars, the Audi A8 ranks 21st and the Porsche Panamera 22nd for lowest fuel cost.
Frequently asked questions
How much does it cost to fuel the 2015 Audi A8 vs. the Porsche Panamera per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,693 for the Audi A8 and $2,693 for the Porsche Panamera.
Which has more cargo space?
The Porsche Panamera, with 16 cu ft of luggage volume versus 15 cu ft (EPA interior volume index).
Audi A8 vs Porsche Panamera in other years
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