2023 head-to-head · Small SUV
2023 BMW X4 vs Lexus RX
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
The 2023 Lexus RX is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,370 a year to fuel (25 MPG), versus $2,469 for the 2023 BMW X4 (24 MPG). That's roughly $99 a year, or about $494 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
- BMW X4
- Lexus RX
Side by side
| BMW X4 | Lexus RX | |
|---|---|---|
| $2,469 | Your annual fuel cost | $2,370 |
| 24 MPG | Combined efficiency | 25 MPG |
| 21 MPG | City | 22 MPG |
| 28 MPG | Highway | 29 MPG |
| 369 g/mi | Tailpipe CO₂ (g/mi) | 353 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 |
| 2.0L 4-cyl turbo | Engine / motor | 2.4L 4-cyl turbo |
| 8-speed automatic | Transmission | 8-speed automatic |
| AWD | Drivetrain | FWD |
✓ 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.
BMW X4 vs Lexus RX across model years
- BMW X4
- Lexus RX
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 118 2023 small SUVs, the BMW X4 ranks 102nd and the Lexus RX 95th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2023 BMW X4 or the 2023 Lexus RX?
Measured by cost to drive, the Lexus RX. The BMW X4 is rated 24 MPG combined and the Lexus RX 25 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2023 BMW X4 vs. the Lexus RX per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,469 for the BMW X4 and $2,370 for the Lexus RX.
BMW X4 vs Lexus RX in other years
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