2019 head-to-head · Midsize & Large SUV
2019 BMW X6 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.
The 2019 Porsche Cayenne is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,821 a year to fuel (21 MPG), versus $2,962 for the 2019 BMW X6 (20 MPG). That's roughly $141 a year, or about $705 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 X6
- Porsche Cayenne
Side by side
| BMW X6 | Porsche Cayenne | |
|---|---|---|
| $2,962 | Your annual fuel cost | $2,821 |
| 20 MPG | Combined efficiency | 21 MPG |
| 18 MPG | City | 19 MPG |
| 24 MPG | Highway | 23 MPG |
| 433 g/mi | Tailpipe CO₂ (g/mi) | 427 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 |
| 3.0L 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 X6 vs Porsche Cayenne across model years
- BMW X6
- 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 46 2019 midsize & large SUVs, the BMW X6 ranks 33rd and the Porsche Cayenne 30th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2019 BMW X6 or the 2019 Porsche Cayenne?
Measured by cost to drive, the Porsche Cayenne. The BMW X6 is rated 20 MPG combined and the Porsche Cayenne 21 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2019 BMW X6 vs. the Porsche Cayenne per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,962 for the BMW X6 and $2,821 for the Porsche Cayenne.
BMW X6 vs Porsche Cayenne in other years
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