2018 head-to-head · Midsize & Large SUV
2018 Bentley Bentayga 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 · 6.0L 12-cyl turbo · 8-speed automatic · 15 MPG
4WD · 4.6L 8-cyl · 6-speed automatic · 16 MPG
The 2018 Lexus GX is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $3,703 a year to fuel (16 MPG), versus $3,950 for the 2018 Bentley Bentayga (15 MPG). That's roughly $247 a year, or about $1,234 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
- Bentley Bentayga
- Lexus GX
Side by side
| Bentley Bentayga | Lexus GX | |
|---|---|---|
| $3,950 | Your annual fuel cost | $3,703 |
| 15 MPG | Combined efficiency | 16 MPG |
| 12 MPG | City | 15 MPG |
| 19 MPG | Highway | 18 MPG |
| 596 g/mi | Tailpipe CO₂ (g/mi) | 548 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 |
| 6.0L 12-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.
Bentley Bentayga vs Lexus GX across model years
- Bentley Bentayga
- 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 42 2018 midsize & large SUVs, the Bentley Bentayga ranks 41st and the Lexus GX 37th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2018 Bentley Bentayga or the 2018 Lexus GX?
Measured by cost to drive, the Lexus GX. The Bentley Bentayga is rated 15 MPG combined and the Lexus GX 16 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2018 Bentley Bentayga vs. the Lexus GX per year?
At 15,000 miles a year with $3.95/gal premium gas, about $3,950 for the Bentley Bentayga and $3,703 for the Lexus GX.
Bentley Bentayga vs Lexus GX in other years
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