2025 head-to-head · Midsize & Large SUV
2025 Lexus LX vs Porsche Cayenne
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 · 3.4L 6-cyl turbo · 10-speed automatic · 19 MPG
On fuel costs these two are nearly tied. Driving 15,000 miles a year with $3.95/gal premium gas, the most efficient 2025 Lexus LX (19 MPG) costs about $3,118 a year to fuel and the 2025 Porsche Cayenne (19 MPG) about $3,118.
Your numbers
Change these to match your driving and local prices. Every figure and chart on this page updates.
Fuel cost over 10 years
- Lexus LX
- Porsche Cayenne
Side by side
| Lexus LX | Porsche Cayenne | |
|---|---|---|
| $3,118 | Your annual fuel cost | $3,118 |
| 19 MPG | Combined efficiency | 19 MPG |
| 17 MPG | City | 17 MPG |
| 22 MPG | Highway | 23 MPG |
| 477 g/mi | Tailpipe CO₂ (g/mi) | 469 g/mi |
| 4/10 | EPA fuel economy score | 4/10 |
| 4/10 | EPA greenhouse gas score | 4/10 |
| Gas | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 3.4L 6-cyl turbo | Engine / motor | 3.0L 6-cyl turbo |
| 10-speed automatic | Transmission | 8-speed automatic |
| 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.
Lexus LX vs Porsche Cayenne across model years
- Lexus LX
- Porsche Cayenne
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 94 2025 midsize & large SUVs, the Lexus LX ranks 78th and the Porsche Cayenne 79th for lowest fuel cost.
Frequently asked questions
How much does it cost to fuel the 2025 Lexus LX vs. the Porsche Cayenne per year?
At 15,000 miles a year with $3.95/gal premium gas, about $3,118 for the Lexus LX and $3,118 for the Porsche Cayenne.
Lexus LX vs Porsche Cayenne in other years
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