2015 head-to-head · Midsize Car vs Wagon
2015 Audi S7 vs Infiniti QX50
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 · 7-speed dual-clutch · 20 MPG
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 S7 (20 MPG) costs about $2,962 a year to fuel and the 2015 Infiniti QX50 (20 MPG) about $2,962.
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 S7
- Infiniti QX50
Side by side
| Audi S7 | Infiniti QX50 | |
|---|---|---|
| $2,962 | Your annual fuel cost | $2,962 |
| 20 MPG | Combined efficiency | 20 MPG |
| 17 MPG | City | 17 MPG |
| 27 MPG | Highway | 25 MPG |
| 94 cu ft | Passenger volume | 92 cu ft |
| 25 cu ft | Cargo volume | 19 cu ft |
| 441 g/mi | Tailpipe CO₂ (g/mi) | 450 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 | 3.7L 6-cyl |
| 7-speed dual-clutch | 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 S7 vs Infiniti QX50 across model years
- Audi S7
- Infiniti QX50
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 S7 has more cargo space (25 vs. 19 cu ft).
Frequently asked questions
How much does it cost to fuel the 2015 Audi S7 vs. the Infiniti QX50 per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,962 for the Audi S7 and $2,962 for the Infiniti QX50.
Which has more cargo space?
The Audi S7, with 25 cu ft of luggage volume versus 19 cu ft (EPA interior volume index).
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