2015 head-to-head · Midsize & Large SUV
2015 Audi Q7 vs Infiniti QX80
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 · 3.0L 6-cyl supercharged · 8-speed automatic · 18 MPG
The 2015 Audi Q7 is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $3,292 a year to fuel (18 MPG), versus $3,703 for the 2015 Infiniti QX80 (16 MPG). That's roughly $411 a year, or about $2,057 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
- Infiniti QX80
Side by side
| Audi Q7 | Infiniti QX80 | |
|---|---|---|
| $3,292 | Your annual fuel cost | $3,703 |
| 18 MPG | Combined efficiency | 16 MPG |
| 16 MPG | City | 14 MPG |
| 22 MPG | Highway | 20 MPG |
| 497 g/mi | Tailpipe CO₂ (g/mi) | 545 g/mi |
| 4/10 | EPA fuel economy score | 3/10 |
| 4/10 | EPA greenhouse gas score | 3/10 |
| Gas | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 3.0L 6-cyl supercharged | Engine / motor | 5.6L 8-cyl |
| 8-speed automatic | Transmission | 7-speed automatic |
| 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 Q7 vs Infiniti QX80 across model years
- Audi Q7
- Infiniti QX80
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 45 2015 midsize & large SUVs, the Audi Q7 ranks 40th and the Infiniti QX80 43rd for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2015 Audi Q7 or the 2015 Infiniti QX80?
Measured by cost to drive, the Audi Q7. The Audi Q7 is rated 18 MPG combined and the Infiniti QX80 16 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2015 Audi Q7 vs. the Infiniti QX80 per year?
At 15,000 miles a year with $3.95/gal premium gas, about $3,292 for the Audi Q7 and $3,703 for the Infiniti QX80.
More 2015 comparisons
Audi Q7 vs…
Or compare the 2015 Audi Q7 with anything else: