2021 head-to-head · Midsize & Large SUV
2021 Infiniti QX80 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.
4WD · 4.6L 8-cyl · 6-speed automatic · 16 MPG
On fuel costs these two are nearly tied. Driving 15,000 miles a year with $3.95/gal premium gas, the most efficient 2021 Infiniti QX80 (16 MPG) costs about $3,703 a year to fuel and the 2021 Lexus GX (16 MPG) about $3,703.
Your numbers
Change these to match your driving and local prices. Every figure and chart on this page updates.
Fuel cost over 10 years
- Infiniti QX80
- Lexus GX
Side by side
| Infiniti QX80 | Lexus GX | |
|---|---|---|
| $3,703 | Your annual fuel cost | $3,703 |
| 16 MPG | Combined efficiency | 16 MPG |
| 14 MPG | City | 15 MPG |
| 20 MPG | Highway | 19 MPG |
| 554 g/mi | Tailpipe CO₂ (g/mi) | 542 g/mi |
| 2/10 | EPA fuel economy score | 2/10 |
| 2/10 | EPA greenhouse gas score | 2/10 |
| Gas | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 5.6L 8-cyl | Engine / motor | 4.6L 8-cyl |
| 7-speed automatic | Transmission | 6-speed automatic |
| RWD | 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.
Infiniti QX80 vs Lexus GX across model years
- Infiniti QX80
- 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 65 2021 midsize & large SUVs, the Infiniti QX80 ranks 61st and the Lexus GX 59th for lowest fuel cost.
Frequently asked questions
How much does it cost to fuel the 2021 Infiniti QX80 vs. the Lexus GX per year?
At 15,000 miles a year with $3.95/gal premium gas, about $3,703 for the Infiniti QX80 and $3,703 for the Lexus GX.
Infiniti QX80 vs Lexus GX in other years
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