Mercedes-Benz · Standard SUVs · Hybrid
Mercedes-Benz G-Class Hybrid: MPG and annual fuel cost, 2026
The Mercedes-Benz G-Class Hybrid has 2 rated versions for 2026, from 15 to 18 MPG combined; its most efficient version is tied for 74th of 90 standard SUVs, in the bottom quarter.
- 18MPG combinedtied 74th of 90 in class
- $4,550a year in fueltied 78th of 90 in class
- 490g/mile CO2
Where it stands
Compared only with the hybrid models of its class it is 24th of 25 hybrid standard SUVs, in the bottom quarter. The median of that narrower group is 23 MPG, against 22.5 MPG for all standard SUVs together.
Across every class it is tied for 84th of 88 hybrid models, in the bottom quarter.
Mercedes-Benz has 22 models in the 2026 data. This one ranks 19th of them on combined rating, against a make median of 25.5 MPG.
In its class, just ahead of it is the Audi Q8 at 19 MPG and just behind it is the Aston Martin DBX 707 at 17 MPG.
Fuel cost and CO2
At 15,000 miles a year with 55% of them in the city, with premium gasoline at $5.48 per gallon, the annual fuel bill of the most efficient version is about $4,550. That is $1,175 more than the standard SUVs median of $3,375, which makes it tied for 78th of 90 standard SUVs, in the bottom quarter.
Tailpipe CO2 is 490 g/mile, 103 g/mile above the standard SUVs median of 387.
Rated versions
In the city the most efficient version is rated 17 and on the highway 19, 2 better on the open road. 2 versions are rated for 2026. The most efficient, G550: 3.0 L, 6 cyl hybrid, Automatic 9-spd, 4WD, gets 18 MPG; the least efficient listed, AMG G63: 4.0 L, 8 cyl hybrid, Automatic 9-spd, 4WD, gets 15 MPG, a gap of 3 MPG. With the file's assumptions that gap is worth about $950 a year in fuel.
| Version | Combined MPG | City MPG | Highway MPG | Annual fuel cost | CO2 g/mile |
|---|---|---|---|---|---|
| G550: 3.0 L, 6 cyl hybrid, Automatic 9-spd, 4WD | 18 | 17 | 19 | $4,550 | 490 |
| AMG G63: 4.0 L, 8 cyl hybrid, Automatic 9-spd, 4WD | 15 | 14 | 16 | $5,500 | 608 |
Year by year
The Mercedes-Benz G-Class Hybrid is in the data for 2 of the 8 model years from 2019 to 2026. Its best combined rating is 18 MPG in both 2025 and 2026.
| Model year | Versions | Best MPG | Lowest MPG | Fuel cost | CO2 g/mi | Class median |
|---|---|---|---|---|---|---|
| 2026 | 2 | 18 | 15 | $4,550 | 490 | 22.5 |
| 2025 | 2 | 18 | 15 | $4,550 | 490 | 22.5 |
Similar models
| Model | Powertrain | Combined MPG | Annual fuel cost | Model year |
|---|---|---|---|---|
| Nissan Armada | Gasoline | 18 | $4,550 | 2026 |
| Audi Q8 | Hybrid | 19 | $4,350 | 2026 |
| Cadillac Escalade | Gasoline | 17 | $4,850 | 2026 |
| GMC Yukon | Gasoline | 17 | $3,950 | 2026 |
| Jeep Grand Wagoneer | Gasoline | 19 | $3,550 | 2026 |
Compare and rank
Rankings: Standard SUVs, Hybrid, Mercedes-Benz, Hybrid standard SUVs.
Data: US EPA and DOE, as prepared in methods and data.