Mercedes-Benz G550 MPG by year — every rating on record

The Mercedes-Benz G550 has a combined EPA fuel economy rating for 17 model years, from 2010 to 2026. Across those years its best rated version returned 18 mpg (2021) and its thirstiest returned 13 mpg (2010). The EPA record holds 17 configurations for this nameplate, most recently a Standard Sport Utility Vehicle 4WD.

Year-by-year EPA ratings

Where it has stood in its class

Ranked against every other nameplate the EPA filed under the same class that year. The Mercedes-Benz G550 placed highest in 2014 at #59 of 60, and lowest in 2024 at #163 of 166. It spent 0 of its 17 ranked years in the top half of its class.

Every configuration on record

All 17 configurations EPA lists for this nameplate, newest first.

How the rating has moved between model years

Comparing the best-rated configuration of each year. 3 of 5 year-over-year steps improved the top rating.

What G550 fuel costs over a year

At the EPA's 11,500 miles a year, the 2026 Mercedes-Benz G550 burns 639 to 639 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.

EPA’s own estimate for the 2026 model year is $4,300 to $4,300 a year in fuel, or $10,250 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 18 mpg the Mercedes-Benz G550 is 4 mpg below the median, which is worth about $407 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.