2019 head-to-head · Midsize & Large SUV
2019 BMW X7 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 · 3.0L 6-cyl turbo · 8-speed automatic · 46 MPGe + 21 MPG
The 2019 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 $2,527 a year to fuel (46 MPGe + 21 MPG), versus $2,693 for the 2019 BMW X7 (22 MPG). That's roughly $167 a year, or about $833 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
- Porsche Cayenne Plug-in Hybrid
Side by side
| BMW X7 | Porsche Cayenne Plug-in Hybrid | |
|---|---|---|
| $2,693 | Your annual fuel cost | $2,527 |
| 22 MPG | Combined efficiency | 46 MPGe + 21 MPG |
| 20 MPG | City | 46 MPGe / 20 MPG |
| 25 MPG | Highway | 46 MPGe / 22 MPG |
| — | Electricity use (kWh/100 mi) | 72 kWh |
| — | Driving range | 430 mi |
| — | All-electric range | 13 mi |
| 409 g/mi | Tailpipe CO₂ (g/mi) | 284 g/mi |
| 4/10 | EPA fuel economy score | 5/10 |
| 4/10 | EPA greenhouse gas score | 7/10 |
| — | Charge time at 240V | 3 hrs |
| Gas | 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 |
| 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 vs Porsche Cayenne Plug-in Hybrid across model years
- BMW X7
- 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 46 2019 midsize & large SUVs, the BMW X7 ranks 27th and the Porsche Cayenne Plug-in Hybrid 21st for lowest fuel cost.
The powertrains differ: the BMW X7 is a conventional gas model, while the Porsche Cayenne Plug-in Hybrid is a plug-in hybrid.
Frequently asked questions
Which is more fuel-efficient, the 2019 BMW X7 or the 2019 Porsche Cayenne Plug-in Hybrid?
Measured by cost to drive, the Porsche Cayenne Plug-in Hybrid. The BMW X7 is rated 22 MPG combined and the Porsche Cayenne Plug-in Hybrid 46 MPGe + 21 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2019 BMW X7 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 and $2,527 for the Porsche Cayenne Plug-in Hybrid.
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