2025 head-to-head · Midsize & Large SUV
2025 BMW X5 Hybrid vs Porsche Cayenne Plug-in 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.
The 2025 Porsche Cayenne Plug-in Hybrid is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas and 18¢/kWh electricity, it costs about $2,127 a year to fuel (53 MPGe + 22 MPG), versus $2,370 for the 2025 BMW X5 Hybrid (25 MPG). That's roughly $243 a year, or about $1,217 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 Hybrid
- Porsche Cayenne Plug-in Hybrid
Side by side
| BMW X5 Hybrid | Porsche Cayenne Plug-in Hybrid | |
|---|---|---|
| $2,370 | Your annual fuel cost | $2,127 |
| 25 MPG | Combined efficiency | 53 MPGe + 22 MPG |
| 23 MPG | City | 53 MPGe / 21 MPG |
| 27 MPG | Highway | 54 MPGe / 23 MPG |
| — | Electricity use (kWh/100 mi) | 63 kWh |
| — | Driving range | 460 mi |
| — | All-electric range | 29 mi |
| 360 g/mi | Tailpipe CO₂ (g/mi) | 174 g/mi |
| 5/10 | EPA fuel economy score | 6/10 |
| 5/10 | EPA greenhouse gas score | 8/10 |
| — | Charge time at 240V | 2.5 hrs |
| Hybrid | Powertrain | Plug-in hybrid |
| Premium gasoline | Fuel | Premium gas + electricity |
| 3.0L 6-cyl turbo | Engine / motor | 3.0L 6-cyl turbo |
| 8-speed automatic | Transmission | 8-speed automatic |
| RWD | 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 Hybrid vs Porsche Cayenne Plug-in Hybrid across model years
- BMW X5 Hybrid
- Porsche Cayenne Plug-in 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 94 2025 midsize & large SUVs, the BMW X5 Hybrid ranks 53rd and the Porsche Cayenne Plug-in Hybrid 44th for lowest fuel cost.
The powertrains differ: the BMW X5 Hybrid is a full hybrid, while the Porsche Cayenne Plug-in Hybrid is a plug-in hybrid.
Frequently asked questions
Which is more fuel-efficient, the 2025 BMW X5 Hybrid or the 2025 Porsche Cayenne Plug-in Hybrid?
Measured by cost to drive, the Porsche Cayenne Plug-in Hybrid. The BMW X5 Hybrid is rated 25 MPG combined and the Porsche Cayenne Plug-in Hybrid 53 MPGe + 22 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2025 BMW X5 Hybrid vs. the Porsche Cayenne Plug-in Hybrid per year?
At 15,000 miles a year with $3.95/gal premium gas and 18¢/kWh electricity, about $2,370 for the BMW X5 Hybrid and $2,127 for the Porsche Cayenne Plug-in Hybrid.
BMW X5 Hybrid vs Porsche Cayenne Plug-in Hybrid in other years
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