2020 head-to-head · Midsize & Large SUV
2020 Audi Q7 vs Porsche Cayenne
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 · 2.0L 4-cyl turbo · 8-speed automatic · 21 MPG
The 2020 Audi Q7 is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,821 a year to fuel (21 MPG), versus $2,962 for the 2020 Porsche Cayenne (20 MPG). That's roughly $141 a year, or about $705 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 Q7
- Porsche Cayenne
Side by side
| Audi Q7 | Porsche Cayenne | |
|---|---|---|
| $2,821 | Your annual fuel cost | $2,962 |
| 21 MPG | Combined efficiency | 20 MPG |
| 19 MPG | City | 19 MPG |
| 23 MPG | Highway | 23 MPG |
| 425 g/mi | Tailpipe CO₂ (g/mi) | 432 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 |
| 2.0L 4-cyl turbo | Engine / motor | 3.0L 6-cyl turbo |
| 8-speed automatic | Transmission | 8-speed automatic |
| AWD | 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.
Audi Q7 vs Porsche Cayenne across model years
- Audi Q7
- Porsche Cayenne
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
Among 55 2020 midsize & large SUVs, the Audi Q7 ranks 34th and the Porsche Cayenne 38th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2020 Audi Q7 or the 2020 Porsche Cayenne?
Measured by cost to drive, the Audi Q7. The Audi Q7 is rated 21 MPG combined and the Porsche Cayenne 20 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2020 Audi Q7 vs. the Porsche Cayenne per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,821 for the Audi Q7 and $2,962 for the Porsche Cayenne.
Audi Q7 vs Porsche Cayenne in other years
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