2016 head-to-head · Midsize & Large SUV
2016 BMW X5 Plug-in Hybrid vs Porsche Cayenne Diesel
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 · 2.0L 4-cyl turbo · 8-speed automatic · 56 MPGe + 24 MPG
AWD · 3.0L 6-cyl turbo · 8-speed automatic · 24 MPG
The 2016 BMW X5 Plug-in Hybrid is the cheaper one to run. Driving 15,000 miles a year with 18¢/kWh electricity, $3.95/gal premium gas and $3.70/gal diesel fuel, it costs about $2,167 a year to fuel (56 MPGe + 24 MPG), versus $2,312 for the 2016 Porsche Cayenne Diesel (24 MPG). That's roughly $146 a year, or about $729 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 Plug-in Hybrid
- Porsche Cayenne Diesel
Side by side
| BMW X5 Plug-in Hybrid | Porsche Cayenne Diesel | |
|---|---|---|
| $2,167 | Your annual fuel cost | $2,312 |
| 56 MPGe + 24 MPG | Combined efficiency | 24 MPG |
| 55 MPGe / 23 MPG | City | 21 MPG |
| 57 MPGe / 25 MPG | Highway | 28 MPG |
| 59 kWh | Electricity use (kWh/100 mi) | — |
| 540 mi | Driving range | — |
| 14 mi | All-electric range | — |
| 247 g/mi | Tailpipe CO₂ (g/mi) | 434 g/mi |
| 7/10 | EPA fuel economy score | 5/10 |
| 8/10 | EPA greenhouse gas score | 5/10 |
| 3 hrs | Charge time at 240V | — |
| Plug-in hybrid | Powertrain | Diesel |
| Premium gas + electricity | Fuel | Diesel |
| 2.0L 4-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 X5 Plug-in Hybrid vs Porsche Cayenne Diesel across model years
- BMW X5 Plug-in Hybrid
- Porsche Cayenne Diesel
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 44 2016 midsize & large SUVs, the BMW X5 Plug-in Hybrid ranks 6th and the Porsche Cayenne Diesel 14th for lowest fuel cost.
The powertrains differ: the BMW X5 Plug-in Hybrid is a plug-in hybrid, while the Porsche Cayenne Diesel is a diesel.
Frequently asked questions
Which is more fuel-efficient, the 2016 BMW X5 Plug-in Hybrid or the 2016 Porsche Cayenne Diesel?
Measured by cost to drive, the BMW X5 Plug-in Hybrid. The BMW X5 Plug-in Hybrid is rated 56 MPGe + 24 MPG combined and the Porsche Cayenne Diesel 24 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2016 BMW X5 Plug-in Hybrid vs. the Porsche Cayenne Diesel per year?
At 15,000 miles a year with 18¢/kWh electricity, $3.95/gal premium gas and $3.70/gal diesel fuel, about $2,167 for the BMW X5 Plug-in Hybrid and $2,312 for the Porsche Cayenne Diesel.
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