2023 head-to-head · Midsize & Large SUV
2023 BMW XM 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.
AWD · 4.4L 8-cyl turbo · 8-speed automatic · 46 MPGe + 14 MPG
AWD · 4.0L 8-cyl turbo · 8-speed automatic · 42 MPGe + 18 MPG
On fuel costs these two are nearly tied. Driving 15,000 miles a year with 18¢/kWh electricity and $3.95/gal premium gas, the most efficient 2023 BMW XM (46 MPGe + 14 MPG) costs about $2,878 a year to fuel and the 2023 Porsche Cayenne Plug-in Hybrid (42 MPGe + 18 MPG) about $2,897.
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 XM
- Porsche Cayenne Plug-in Hybrid
Side by side
| BMW XM | Porsche Cayenne Plug-in Hybrid | |
|---|---|---|
| $2,878 | Your annual fuel cost | $2,897 |
| 46 MPGe + 14 MPG | Combined efficiency | 42 MPGe + 18 MPG |
| 46 MPGe / 12 MPG | City | 40 MPGe / 17 MPG |
| 46 MPGe / 17 MPG | Highway | 44 MPGe / 20 MPG |
| 73 kWh | Electricity use (kWh/100 mi) | 82 kWh |
| 300 mi | Driving range | 370 mi |
| 31 mi | All-electric range | 15 mi |
| 244 g/mi | Tailpipe CO₂ (g/mi) | 320 g/mi |
| 5/10 | EPA fuel economy score | 5/10 |
| 7/10 | EPA greenhouse gas score | 6/10 |
| 7 hrs | Charge time at 240V | 3 hrs |
| Plug-in hybrid | Powertrain | Plug-in hybrid |
| Premium gas + electricity | Fuel | Premium gas + electricity |
| 4.4L 8-cyl turbo | Engine / motor | 4.0L 8-cyl turbo |
| 8-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.
BMW XM vs Porsche Cayenne Plug-in Hybrid across model years
- BMW XM
- 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
The Porsche Cayenne Plug-in Hybrid goes farther between stops: about 370 miles on a full tank and charge, compared with 300 miles for the BMW XM.
Among 73 2023 midsize & large SUVs, the BMW XM ranks 48th and the Porsche Cayenne Plug-in Hybrid 49th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2023 BMW XM or the 2023 Porsche Cayenne Plug-in Hybrid?
Measured by cost to drive, the BMW XM. The BMW XM is rated 46 MPGe + 14 MPG combined and the Porsche Cayenne Plug-in Hybrid 42 MPGe + 18 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2023 BMW XM vs. the Porsche Cayenne Plug-in Hybrid per year?
At 15,000 miles a year with 18¢/kWh electricity and $3.95/gal premium gas, about $2,878 for the BMW XM and $2,897 for the Porsche Cayenne Plug-in Hybrid.
Which has more range?
The Porsche Cayenne Plug-in Hybrid: about 370 miles versus 300 miles.
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