2023 head-to-head · Midsize & Large SUV
2023 BMW X7 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.
AWD · 4.0L 8-cyl turbo · 8-speed automatic · 42 MPGe + 18 MPG
The 2023 BMW X7 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 $2,693 a year to fuel (22 MPG), versus $2,897 for the 2023 Porsche Cayenne Plug-in Hybrid (42 MPGe + 18 MPG). That's roughly $204 a year, or about $1,020 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 X7 Hybrid
- Porsche Cayenne Plug-in Hybrid
Side by side
| BMW X7 Hybrid | Porsche Cayenne Plug-in Hybrid | |
|---|---|---|
| $2,693 | Your annual fuel cost | $2,897 |
| 22 MPG | Combined efficiency | 42 MPGe + 18 MPG |
| 21 MPG | City | 40 MPGe / 17 MPG |
| 25 MPG | Highway | 44 MPGe / 20 MPG |
| — | Electricity use (kWh/100 mi) | 82 kWh |
| — | Driving range | 370 mi |
| — | All-electric range | 15 mi |
| 392 g/mi | Tailpipe CO₂ (g/mi) | 320 g/mi |
| 5/10 | EPA fuel economy score | 5/10 |
| 5/10 | EPA greenhouse gas score | 6/10 |
| — | Charge time at 240V | 3 hrs |
| Hybrid | Powertrain | Plug-in hybrid |
| Premium gasoline | Fuel | Premium gas + electricity |
| 3.0L 6-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 X7 Hybrid vs Porsche Cayenne Plug-in Hybrid across model years
- BMW X7 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 73 2023 midsize & large SUVs, the BMW X7 Hybrid ranks 41st and the Porsche Cayenne Plug-in Hybrid 49th for lowest fuel cost.
The powertrains differ: the BMW X7 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 2023 BMW X7 Hybrid or the 2023 Porsche Cayenne Plug-in Hybrid?
Measured by cost to drive, the BMW X7 Hybrid. The BMW X7 Hybrid is rated 22 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 X7 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 $2,693 for the BMW X7 Hybrid and $2,897 for the Porsche Cayenne Plug-in Hybrid.
More 2023 comparisons
BMW X7 Hybrid vs…
Or compare the 2023 BMW X7 Hybrid with anything else: