Mercedes-Benz · Standard SUVs · Gasoline
Mercedes-Benz GLS-Class: MPG and annual fuel cost, 2019
The Mercedes-Benz GLS-Class was last rated in the data for model year 2019, at 18 MPG combined.
- 18MPG combined
- $4,550a year in fuel
- 488g/mile CO2
Where it stands
Among all gasoline models of the year, regardless of size, it is tied for 18th of 28 gasoline models, in the lower half.
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.
Tailpipe CO2 is 488 g/mile for the most efficient version.
Rated versions
Its city rating is 16 and its highway rating 22: the highway figure is 6 higher. 3 versions are rated for 2019. The most efficient, GLS450 4matic: 3.0 L, 6 cyl, Automatic 9-spd, 4WD, gets 18 MPG; the least efficient listed, AMG GLS63: 5.5 L, 8 cyl, Automatic 7-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 |
|---|---|---|---|---|---|
| GLS450 4matic: 3.0 L, 6 cyl, Automatic 9-spd, 4WD | 18 | 16 | 22 | $4,550 | 488 |
| GLS550 4matic: 4.7 L, 8 cyl, Automatic 9-spd, 4WD | 16 | 14 | 19 | $5,150 | 572 |
| AMG GLS63: 5.5 L, 8 cyl, Automatic 7-spd, 4WD | 15 | 13 | 18 | $5,500 | 601 |
Year by year
The Mercedes-Benz GLS-Class appears in the data for model year 2019 only, one of the 8 model years from 2019 to 2026.
| Model year | Versions | Best MPG | Lowest MPG | Fuel cost | CO2 g/mi | Class median |
|---|---|---|---|---|---|---|
| 2019 | 3 | 18 | 15 | $4,550 | 488 | 21 |
Similar models
| Model | Powertrain | Combined MPG | Annual fuel cost | Model year |
|---|---|---|---|---|
| Ford Flex | Gasoline | 19 | $3,550 | 2019 |
| Jeep Grand Cherokee Diesel | Diesel | 24 | $4,000 | 2019 |
Compare and rank
Rankings: Standard SUVs.
Data: US EPA and DOE, as prepared in methods and data.