2026 Mercedes-Benz G-Class Specs, MPG & Trims

EPA fuel-economy data and specifications for the 2026 Mercedes-Benz G-Class (15–62 MPG/MPGe combined) across 3 listed configurations.

Overview

Body class
Standard Sport Utility Vehicle 4WD
Drive
4-Wheel Drive
Engine
6-cyl, 3.0 L; 8-cyl, 4.0 L
Fuel type
Electricity, Premium Gasoline
Combined MPG
15–62 MPG/MPGe
Annual fuel cost
$1,200–$5,500
Configurations
3

MPG & fuel economy

City, highway and combined values below are EPA estimates. Where a powertrain has several configurations, the table shows the lowest–highest reported value. Electric configurations use MPGe.

EPA city, highway and combined ratings by powertrain for the 2026 Mercedes-Benz G-Class. Electric configurations are rated in MPGe.
PowertrainCityHighwayCombinedAnnual fuel costCO2Range
6-cyl 3.0 L · Premium Gasoline · 4-Wheel Drive171918$4,550490 g/mi—
8-cyl 4.0 L · Premium Gasoline · 4-Wheel Drive141615$5,500608 g/mi—
Electricity · 4-Wheel Drive685662$1,2000 g/mi239 mi

Configurations & engine comparison

Each row is one configuration/engine combination reported by the EPA for this model year. Missing EPA values are shown as —.

Every EPA-listed configuration for the 2026 Mercedes-Benz G-Class (3 rows). "Configuration" is the EPA configuration/engine name.
Configuration / engineDriveTransmissionCyl.Displ. (L)Fuel typeCityHwyComb.Annual cost
AMG G634-Wheel DriveAutomatic 9-spd84.0Premium Gasoline141615$5,500
G 580 with EQ Technology4-Wheel DriveAutomatic (A2)——Electricity685662$1,200
G5504-Wheel DriveAutomatic 9-spd63.0Premium Gasoline171918$4,550

Frequently asked questions

What is the combined MPG of the 2026 Mercedes-Benz G-Class?

According to EPA data, the 2026 Mercedes-Benz G-Class is rated at 15–18 MPG combined for its conventional-fuel configurations, and 62 MPGe combined for its electric configurations.

How many cylinders does the 2026 Mercedes-Benz G-Class have?

The EPA data lists 6 and 8 cylinders across its configurations.

What fuel type does the 2026 Mercedes-Benz G-Class use?

It is offered with Electricity and Premium Gasoline.

What is the annual fuel cost of the 2026 Mercedes-Benz G-Class?

The EPA estimates annual fuel costs ranging from $1,200 to $5,500.