2018 head-to-head · Midsize & Large SUV
2018 Mercedes-Benz GLE-Class Plug-in Hybrid 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.
4WD · 3.0L 6-cyl turbo · 7-speed automatic · 43 MPGe + 21 MPG
The 2018 Mercedes-Benz GLE-Class 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 $2,526 a year to fuel (43 MPGe + 21 MPG), versus $2,962 for the 2018 Porsche Cayenne (20 MPG). That's roughly $436 a year, or about $2,181 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
- Mercedes-Benz GLE-Class Plug-in Hybrid
- Porsche Cayenne
Side by side
| Mercedes-Benz GLE-Class Plug-in Hybrid | Porsche Cayenne | |
|---|---|---|
| $2,526 | Your annual fuel cost | $2,962 |
| 43 MPGe + 21 MPG | Combined efficiency | 20 MPG |
| 38 MPGe / 20 MPG | City | 17 MPG |
| 50 MPGe / 23 MPG | Highway | 24 MPG |
| 69 kWh | Electricity use (kWh/100 mi) | — |
| 460 mi | Driving range | — |
| 10 mi | All-electric range | — |
| 296 g/mi | Tailpipe CO₂ (g/mi) | 452 g/mi |
| 5/10 | EPA fuel economy score | 4/10 |
| 7/10 | EPA greenhouse gas score | 4/10 |
| 1.9 hrs | Charge time at 240V | — |
| Plug-in hybrid | Powertrain | Gas |
| Premium gas + electricity | Fuel | Premium gasoline |
| 3.0L 6-cyl turbo | Engine / motor | 3.6L 6-cyl turbo |
| 7-speed automatic | Transmission | 8-speed automatic |
| 4WD | 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.
Mercedes-Benz GLE-Class Plug-in Hybrid vs Porsche Cayenne across model years
- Mercedes-Benz GLE-Class Plug-in Hybrid
- 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 42 2018 midsize & large SUVs, the Mercedes-Benz GLE-Class Plug-in Hybrid ranks 25th and the Porsche Cayenne 31st for lowest fuel cost.
The powertrains differ: the Mercedes-Benz GLE-Class Plug-in Hybrid is a plug-in hybrid, while the Porsche Cayenne is a conventional gas model.
Frequently asked questions
Which is more fuel-efficient, the 2018 Mercedes-Benz GLE-Class Plug-in Hybrid or the 2018 Porsche Cayenne?
Measured by cost to drive, the Mercedes-Benz GLE-Class Plug-in Hybrid. The Mercedes-Benz GLE-Class Plug-in Hybrid is rated 43 MPGe + 21 MPG combined and the Porsche Cayenne 20 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2018 Mercedes-Benz GLE-Class Plug-in Hybrid vs. the Porsche Cayenne per year?
At 15,000 miles a year with 18¢/kWh electricity and $3.95/gal premium gas, about $2,526 for the Mercedes-Benz GLE-Class Plug-in Hybrid and $2,962 for the Porsche Cayenne.
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