2015 head-to-head · Midsize & Large SUV
2015 Audi Q7 vs Lexus GX
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
4WD · 4.6L 8-cyl · 6-speed automatic · 17 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 $3,485 for the 2015 Lexus GX (17 MPG). That's roughly $194 a year, or about $968 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
- Lexus GX
Side by side
| Audi Q7 | Lexus GX | |
|---|---|---|
| $3,292 | Your annual fuel cost | $3,485 |
| 18 MPG | Combined efficiency | 17 MPG |
| 16 MPG | City | 15 MPG |
| 22 MPG | Highway | 20 MPG |
| 497 g/mi | Tailpipe CO₂ (g/mi) | 517 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 |
| 3.0L 6-cyl supercharged | Engine / motor | 4.6L 8-cyl |
| 8-speed automatic | Transmission | 6-speed automatic |
| AWD | Drivetrain | 4WD |
✓ 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 Lexus GX across model years
- Audi Q7
- Lexus GX
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 Lexus GX 41st for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2015 Audi Q7 or the 2015 Lexus GX?
Measured by cost to drive, the Audi Q7. The Audi Q7 is rated 18 MPG combined and the Lexus GX 17 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2015 Audi Q7 vs. the Lexus GX per year?
At 15,000 miles a year with $3.95/gal premium gas, about $3,292 for the Audi Q7 and $3,485 for the Lexus GX.
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