2022 head-to-head · Midsize & Large SUV
2022 Mercedes-Benz GLS-Class 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.
The 2022 Mercedes-Benz GLS-Class Hybrid is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,962 a year to fuel (20 MPG), versus $3,118 for the 2022 Porsche Cayenne (19 MPG). That's roughly $156 a year, or about $780 over five years.
Your numbers
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Fuel cost over 10 years
- Mercedes-Benz GLS-Class Hybrid
- Porsche Cayenne
Side by side
| Mercedes-Benz GLS-Class Hybrid | Porsche Cayenne | |
|---|---|---|
| $2,962 | Your annual fuel cost | $3,118 |
| 20 MPG | Combined efficiency | 19 MPG |
| 18 MPG | City | 17 MPG |
| 24 MPG | Highway | 22 MPG |
| 433 g/mi | Tailpipe CO₂ (g/mi) | 466 g/mi |
| 4/10 | EPA fuel economy score | 4/10 |
| 4/10 | EPA greenhouse gas score | 4/10 |
| Hybrid | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 3.0L 6-cyl turbo | Engine / motor | 3.0L 6-cyl turbo |
| 9-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 GLS-Class Hybrid vs Porsche Cayenne across model years
- Mercedes-Benz GLS-Class 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 69 2022 midsize & large SUVs, the Mercedes-Benz GLS-Class Hybrid ranks 47th and the Porsche Cayenne 53rd for lowest fuel cost.
The powertrains differ: the Mercedes-Benz GLS-Class Hybrid is a full hybrid, while the Porsche Cayenne is a conventional gas model.
Frequently asked questions
Which is more fuel-efficient, the 2022 Mercedes-Benz GLS-Class Hybrid or the 2022 Porsche Cayenne?
Measured by cost to drive, the Mercedes-Benz GLS-Class Hybrid. The Mercedes-Benz GLS-Class Hybrid is rated 20 MPG combined and the Porsche Cayenne 19 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2022 Mercedes-Benz GLS-Class Hybrid vs. the Porsche Cayenne per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,962 for the Mercedes-Benz GLS-Class Hybrid and $3,118 for the Porsche Cayenne.
Mercedes-Benz GLS-Class Hybrid vs Porsche Cayenne in other years
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