2019 head-to-head · Midsize & Large SUV
2019 Audi Q8 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 turbo · 8-speed automatic · 19 MPG
4WD · 4.6L 8-cyl · 6-speed automatic · 16 MPG
The 2019 Audi Q8 is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $3,118 a year to fuel (19 MPG), versus $3,703 for the 2019 Lexus GX (16 MPG). That's roughly $585 a year, or about $2,924 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 Q8
- Lexus GX
Side by side
| Audi Q8 | Lexus GX | |
|---|---|---|
| $3,118 | Your annual fuel cost | $3,703 |
| 19 MPG | Combined efficiency | 16 MPG |
| 17 MPG | City | 15 MPG |
| 22 MPG | Highway | 18 MPG |
| 474 g/mi | Tailpipe CO₂ (g/mi) | 548 g/mi |
| 3/10 | EPA fuel economy score | 2/10 |
| 3/10 | EPA greenhouse gas score | 2/10 |
| Hybrid | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 3.0L 6-cyl turbo | 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 Q8 vs Lexus GX across model years
- Audi Q8
- 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 46 2019 midsize & large SUVs, the Audi Q8 ranks 37th and the Lexus GX 42nd for lowest fuel cost.
The powertrains differ: the Audi Q8 is a full hybrid, while the Lexus GX is a conventional gas model.
Frequently asked questions
Which is more fuel-efficient, the 2019 Audi Q8 or the 2019 Lexus GX?
Measured by cost to drive, the Audi Q8. The Audi Q8 is rated 19 MPG combined and the Lexus GX 16 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2019 Audi Q8 vs. the Lexus GX per year?
At 15,000 miles a year with $3.95/gal premium gas, about $3,118 for the Audi Q8 and $3,703 for the Lexus GX.
Audi Q8 vs Lexus GX in other years
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