2018 head-to-head · Midsize & Large SUV
2018 Porsche Cayenne Plug-in Hybrid vs Volvo XC90 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 supercharged · 8-speed dual-clutch · 47 MPGe + 22 MPG
AWD · 2.0L 4-cyl turbo · 8-speed automatic · 62 MPGe + 27 MPG
The 2018 Volvo XC90 Plug-in Hybrid is the cheaper one to run. Driving 15,000 miles a year with 18¢/kWh electricity and $3.95/gal premium gas, it costs about $1,825 a year to fuel (62 MPGe + 27 MPG), versus $2,402 for the 2018 Porsche Cayenne Plug-in Hybrid (47 MPGe + 22 MPG). That's roughly $576 a year, or about $2,881 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
- Porsche Cayenne Plug-in Hybrid
- Volvo XC90 Plug-in Hybrid
Side by side
| Porsche Cayenne Plug-in Hybrid | Volvo XC90 Plug-in Hybrid | |
|---|---|---|
| $2,402 | Your annual fuel cost | $1,825 |
| 47 MPGe + 22 MPG | Combined efficiency | 62 MPGe + 27 MPG |
| 47 MPGe / 21 MPG | City | 63 MPGe / 26 MPG |
| 46 MPGe / 24 MPG | Highway | 61 MPGe / 30 MPG |
| 70 kWh | Electricity use (kWh/100 mi) | 50 kWh |
| 490 mi | Driving range | 380 mi |
| 14 mi | All-electric range | 19 mi |
| 261 g/mi | Tailpipe CO₂ (g/mi) | 187 g/mi |
| 6/10 | EPA fuel economy score | 8/10 |
| 8/10 | EPA greenhouse gas score | 10/10 |
| 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 supercharged | Engine / motor | 2.0L 4-cyl turbo |
| 8-speed dual-clutch | 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.
Porsche Cayenne Plug-in Hybrid vs Volvo XC90 Plug-in Hybrid across model years
- Porsche Cayenne Plug-in Hybrid
- Volvo XC90 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 490 miles on a full tank and charge, compared with 380 miles for the Volvo XC90 Plug-in Hybrid.
Among 42 2018 midsize & large SUVs, the Porsche Cayenne Plug-in Hybrid ranks 17th and the Volvo XC90 Plug-in Hybrid 3rd for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2018 Porsche Cayenne Plug-in Hybrid or the 2018 Volvo XC90 Plug-in Hybrid?
Measured by cost to drive, the Volvo XC90 Plug-in Hybrid. The Porsche Cayenne Plug-in Hybrid is rated 47 MPGe + 22 MPG combined and the Volvo XC90 Plug-in Hybrid 62 MPGe + 27 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2018 Porsche Cayenne Plug-in Hybrid vs. the Volvo XC90 Plug-in Hybrid per year?
At 15,000 miles a year with 18¢/kWh electricity and $3.95/gal premium gas, about $2,402 for the Porsche Cayenne Plug-in Hybrid and $1,825 for the Volvo XC90 Plug-in Hybrid.
Which has more range?
The Porsche Cayenne Plug-in Hybrid: about 490 miles versus 380 miles.
Porsche Cayenne Plug-in Hybrid vs Volvo XC90 Plug-in Hybrid in other years
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