2018 head-to-head · Midsize & Large SUV
2018 BMW X5 Diesel vs Lexus RX Hybrid
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 · 25 MPG
The 2018 Lexus RX Hybrid is the cheaper one to run. Driving 15,000 miles a year with $3.70/gal diesel fuel and $3.95/gal premium gas, it costs about $1,975 a year to fuel (30 MPG), versus $2,220 for the 2018 BMW X5 Diesel (25 MPG). That's roughly $245 a year, or about $1,225 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 X5 Diesel
- Lexus RX Hybrid
Side by side
| BMW X5 Diesel | Lexus RX Hybrid | |
|---|---|---|
| $2,220 | Your annual fuel cost | $1,975 |
| 25 MPG | Combined efficiency | 30 MPG |
| 23 MPG | City | 31 MPG |
| 29 MPG | Highway | 28 MPG |
| 401 g/mi | Tailpipe CO₂ (g/mi) | 297 g/mi |
| 5/10 | EPA fuel economy score | 7/10 |
| 4/10 | EPA greenhouse gas score | 7/10 |
| Diesel | Powertrain | Hybrid |
| Diesel | Fuel | Premium gasoline |
| 3.0L 6-cyl turbo | Engine / motor | 3.5L 6-cyl |
| 8-speed automatic | Transmission | CVT |
| AWD | Drivetrain | AWD |
✓ 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 X5 Diesel vs Lexus RX Hybrid across model years
- BMW X5 Diesel
- Lexus RX Hybrid
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 BMW X5 Diesel ranks 13th and the Lexus RX Hybrid 4th for lowest fuel cost.
The powertrains differ: the BMW X5 Diesel is a diesel, while the Lexus RX Hybrid is a full hybrid.
Frequently asked questions
Which is more fuel-efficient, the 2018 BMW X5 Diesel or the 2018 Lexus RX Hybrid?
Measured by cost to drive, the Lexus RX Hybrid. The BMW X5 Diesel is rated 25 MPG combined and the Lexus RX Hybrid 30 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2018 BMW X5 Diesel vs. the Lexus RX Hybrid per year?
At 15,000 miles a year with $3.70/gal diesel fuel and $3.95/gal premium gas, about $2,220 for the BMW X5 Diesel and $1,975 for the Lexus RX Hybrid.
BMW X5 Diesel vs Lexus RX Hybrid in other years
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