2020 head-to-head · Midsize & Large SUV
2020 Bentley Bentayga Plug-in 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 · 3.0L 6-cyl turbo · 8-speed automatic · 45 MPGe + 19 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 2020 Bentley Bentayga Plug-in Hybrid (45 MPGe + 19 MPG) costs about $2,544 a year to fuel and the 2020 Porsche Cayenne Plug-in Hybrid (41 MPGe + 21 MPG) about $2,509.
Your numbers
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Fuel cost over 10 years
- Bentley Bentayga Plug-in Hybrid
- Porsche Cayenne Plug-in Hybrid
Side by side
| Bentley Bentayga Plug-in Hybrid | Porsche Cayenne Plug-in Hybrid | |
|---|---|---|
| $2,544 | Your annual fuel cost | $2,509 |
| 45 MPGe + 19 MPG | Combined efficiency | 41 MPGe + 21 MPG |
| 43 MPGe / 17 MPG | City | 45 MPGe / 20 MPG |
| 49 MPGe / 21 MPG | Highway | 37 MPGe / 22 MPG |
| 71 kWh | Electricity use (kWh/100 mi) | 71 kWh |
| 390 mi | Driving range | 420 mi |
| 18 mi | All-electric range | 14 mi |
| 246 g/mi | Tailpipe CO₂ (g/mi) | 293 g/mi |
| 5/10 | EPA fuel economy score | 5/10 |
| 8/10 | EPA greenhouse gas score | 7/10 |
| 3 hrs | Charge time at 240V | 3 hrs |
| Plug-in hybrid | Powertrain | Plug-in hybrid |
| Premium gas + electricity | 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.
Bentley Bentayga Plug-in Hybrid vs Porsche Cayenne Plug-in Hybrid across model years
- Bentley Bentayga Plug-in 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
The Porsche Cayenne Plug-in Hybrid goes farther between stops: about 420 miles on a full tank and charge, compared with 390 miles for the Bentley Bentayga Plug-in Hybrid.
Among 55 2020 midsize & large SUVs, the Bentley Bentayga Plug-in Hybrid ranks 23rd and the Porsche Cayenne Plug-in Hybrid 22nd for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2020 Bentley Bentayga Plug-in Hybrid or the 2020 Porsche Cayenne Plug-in Hybrid?
Measured by cost to drive, the Porsche Cayenne Plug-in Hybrid. The Bentley Bentayga Plug-in Hybrid is rated 45 MPGe + 19 MPG combined and the Porsche Cayenne Plug-in Hybrid 41 MPGe + 21 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2020 Bentley Bentayga Plug-in Hybrid 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 $2,544 for the Bentley Bentayga Plug-in Hybrid and $2,509 for the Porsche Cayenne Plug-in Hybrid.
Which has more range?
The Porsche Cayenne Plug-in Hybrid: about 420 miles versus 390 miles.
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