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2020 Mercedes-Benz G-Class

US · SUV · Standard Sport Utility Vehicle 4WD

The 2020 Mercedes-Benz G-Class is listed in the US market as a suv with gasoline power. Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.

Engine
4.0L 8-cylinder turbocharged (SIDI)
Power
577 hp (430 kW)
Torque
627 lb-ft (850 Nm)
Transmission
9-speed automatic
Drivetrain
4WD
Fuel
Gasoline
Economy
14 mpg (16.8 L/100 km) combined
Seating
5 seats
Length 191.9 in (4,873 mm)Height 77.4 in (1,966 mm)Wheelbase 113.8 in (2,890 mm)
Outline scaled from the published measurements. An illustration, not a photograph.
Specifications at a Glance

Key Performance & Dimensions

Units:
Engine / Powertrain
4.0L 8-cylinder turbocharged (SIDI)
Power Output
577 hp (430 kW)
Peak Torque
627 lb-ft (850 Nm)
Combined Economy
14 MPG US (16.8 L/100 km) · EPA
Drivetrain
4WD
Transmission
9-speed automatic
Capacity
5 seats · 5 doors
Exterior Dimensions
191.9″ L × 78.1″ W × 77.4″ H
Curb Weight
5,644 lbs (2,560 kg)
Market: US·Switch units to convert the figures shown.
Compare 2020 Mercedes-Benz G-Class ↗

Engine

Engine
SpecificationValueSource
Engine4.0L 8-cylinder turbocharged (SIDI)
Displacement4.0 L
Cylinders8
AspirationTurbocharged
Power577 hp (430 kW)
Torque627 lb-ft (850 Nm)
Fuel typeGasoline

Performance

Performance
SpecificationValueSource
0–100 km/h4.3 s
Top speed149 mph (240 km/h)
Towing capacity7,716 lb (3,500 kg)

Transmission and drivetrain

Transmission and drivetrain
SpecificationValueSource
TransmissionAutomatic
Gears9
Drivetrain4WD

Dimensions

Dimensions
SpecificationValueSource
Length191.9 in (4,873 mm)
Width78.1 in (1,984 mm)
Height77.4 in (1,966 mm)
Wheelbase113.8 in (2,890 mm)
Ground clearance9.5 in (241 mm)

Weight

Weight
SpecificationValueSource
Curb weight5,644 lb (2,560 kg)

Fuel economy and range

Fuel economy and range
SpecificationValueSource
Combined14 mpg (16.8 L/100 km)
City13 mpg (18.1 L/100 km)
Highway15 mpg (15.7 L/100 km) to 17 mpg (13.8 L/100 km)

Capacity

Capacity
SpecificationValueSource
Seats5
Doors5

Our sources do not publish these for this vehicle: Payload, Gross vehicle weight rating, Electric range, Battery capacity, Fuel tank, Cargo volume. We leave them out instead of estimating.

Trims and configurations

2 configurations listed by our sources. Engines, drivetrains and fuel economy can differ between them.

Recalls

No recall campaigns were found in NHTSA data at the last check. Last checked November 9, 2026.

    Data sources

    • NHTSA vPIC · retrieved October 12, 2026 · US Government public data
    • EPA fueleconomy.gov · retrieved November 4, 2026 · US Government public data

    Source checked: November 4, 2026

    Data verified: November 4, 2026

    Specifications can vary by market, trim, configuration and production date. Confirm with the manufacturer before buying parts or making safety decisions. Report an error.

    Compare

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    Frequently asked questions

    What engine does the 2020 Mercedes-Benz G-Class have?

    4.0L 8-cylinder turbocharged (SIDI). Engines can differ by trim, so check the trim list below.

    How much horsepower does the 2020 Mercedes-Benz G-Class have?

    577 hp (430 kW), as listed by our sources.

    What is the fuel economy of the 2020 Mercedes-Benz G-Class?

    Combined fuel economy is 14 mpg (16.8 L/100 km), as published by the source shown in the specification table.

    Is the 2020 Mercedes-Benz G-Class front-wheel, rear-wheel or all-wheel drive?

    Drivetrain: 4WD.

    How many seats does the 2020 Mercedes-Benz G-Class have?

    5 seats.

    How long is the 2020 Mercedes-Benz G-Class?

    191.9 in (4,873 mm).

    Are there recalls for the 2020 Mercedes-Benz G-Class?

    No recall campaigns were found in NHTSA data when we last checked on November 9, 2026. Recall status can change, so confirm with NHTSA or the manufacturer.