Mercedes-Benz GLS550 4matic MPG by year — every rating on record
The Mercedes-Benz GLS550 4matic has a combined EPA fuel economy rating for 3 model years, from 2017 to 2019. Across those years its best rated version returned 16 mpg (2017) and its thirstiest returned 16 mpg (2017). The EPA record holds 3 configurations for this nameplate, most recently a Standard Sport Utility Vehicle 4WD.
Year-by-year EPA ratings
| Model year | Configurations | Best combined | Worst combined | Class rank that year | Drivetrains | Fuel | EPA class |
|---|---|---|---|---|---|---|---|
| 2017 | 1 | 16 mpg | 16 mpg | #63 of 78 (19th pct) | 4-Wheel Drive | Premium | Standard Sport Utility Vehicle 4WD |
| 2018 | 1 | 16 mpg | 16 mpg | #58 of 76 (24th pct) | 4-Wheel Drive | Premium | Standard Sport Utility Vehicle 4WD |
| 2019 | 1 | 16 mpg | 16 mpg | #63 of 81 (22th pct) | 4-Wheel Drive | Premium | Standard Sport Utility Vehicle 4WD |
Where it has stood in its class
Ranked against every other nameplate the EPA filed under the same class that year. The Mercedes-Benz GLS550 4matic placed highest in 2018 at #58 of 76, and lowest in 2017 at #63 of 78. It spent 0 of its 3 ranked years in the top half of its class.
Every configuration on record
All 3 configurations EPA lists for this nameplate, newest first.
| Year | Configuration | Engine detail | City | Highway | Combined | Gallons/yr | Barrels/yr | EPA fuel cost/yr | CO2 g/mi | GHG |
|---|---|---|---|---|---|---|---|---|---|---|
| 2019 | 4.7L 8-cyl 4-Wheel Drive Automatic 9-spd Premium | SIDI, turbocharged, start-stop | 14 | 19 | 16 | 718.8 | 18.6 | $4,850 | 572 | 2/10 |
| 2018 | 4.7L 8-cyl 4-Wheel Drive Automatic 9-spd Premium | SIDI, turbocharged, start-stop | 14 | 19 | 16 | 718.8 | 18.6 | $4,850 | 556 | 2/10 |
| 2017 | 4.7L 8-cyl 4-Wheel Drive Automatic 9-spd Premium | SIDI, turbocharged, start-stop | 14 | 18 | 16 | 718.8 | 18.6 | $4,850 | 562 | 2/10 |
What GLS550 4matic fuel costs over a year
At the EPA's 11,500 miles a year, the 2019 Mercedes-Benz GLS550 4matic burns 719 to 719 gallons depending on configuration. Below is what that costs at three pump prices, and how much more the thirstiest configuration costs than the most efficient one.
| Pump price | Most efficient | Thirstiest | Spread |
|---|---|---|---|
| $3.00/gal | $2,156 | $2,156 | $0 |
| $3.50/gal | $2,516 | $2,516 | $0 |
| $4.00/gal | $2,875 | $2,875 | $0 |
EPA’s own estimate for the 2019 model year is $4,850 to $4,850 a year in fuel, or $13,000 more than the average new vehicle over five years.
How it compares with other Standard Sport Utility Vehicle 4WD
Across the 317 nameplates EPA classifies as Standard Sport Utility Vehicle 4WD, the median best combined rating is 22 mpg. At 16 mpg the Mercedes-Benz GLS550 4matic is 6 mpg below the median, which is worth about $686 a year at $3.50 a gallon.
- All Standard Sport Utility Vehicle 4WD rankings — every nameplate in the class, best to worst.
Other Mercedes-Benz nameplates
Every Mercedes-Benz model compared → — all nameplates ranked by best combined rating, with what each one costs a year.