2018 GMC Acadia

US · SUV · Standard Sport Utility Vehicle 2WD

The 2018 GMC Acadia 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 Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.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: Varies by configuration: 2.5L 4-cylinder (SIDI), 3.6L 6-cylinder (SIDI)
Power: Not available
Torque: Not available
Transmission: 6-speed automatic
Drivetrain: Varies by configuration: AWD, FWD
Fuel: Gasoline
Seating: Not available

Generic outline. Published dimensions for this vehicle are not available.

Specifications at a Glance

Key Performance & Dimensions

Units:

Engine / Powertrain

GASOLINE

Power Output

Not available

Peak Torque

Not available

Combined Economy

Not available

Drivetrain

Not available

Transmission

AUTOMATIC

Capacity

Not available

Exterior Dimensions

Not available

Market: US·Switch units anytime to convert horsepower, torque, fuel economy, and dimensions.

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Engine

Engine
Specification	Value	Source
Engine	Varies by configuration: 2.5L 4-cylinder (SIDI), 3.6L 6-cylinder (SIDI)
Displacement	2.5 L to 3.6 L
Cylinders	4 to 6
Fuel type	Gasoline	EPA fueleconomy.gov

Not available from our sources: Aspiration, Power, Torque.

Transmission and drivetrain

Transmission and drivetrain
Specification	Value	Source
Transmission	Automatic	EPA fueleconomy.gov
Gears	6
Drivetrain	Varies by configuration: AWD, FWD

Fuel economy and range

Fuel economy and range
Specification	Value	Source
Combined	23 mpg (10.2 L/100 km) to 20 mpg (11.8 L/100 km)	EPA fueleconomy.gov
City	21 mpg (11.2 L/100 km) to 17 mpg (13.8 L/100 km)
Highway	26 mpg (9.0 L/100 km) to 25 mpg (9.4 L/100 km)

Not available from our sources: Electric range, Battery capacity.

Trims and configurations

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

Recalls

NHTSA lists 2 recall campaigns for this model year. Last checked October 13, 2026.

18V358000: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
General Motors LLC (GM) is recalling certain 2015-2018 GMC Canyon, 2016-2017 Buick Envision, 2016-2018 Chevrolet Colorado and Malibu, 2017-2018 GMC Acadia, 2018 Buick LaCrosse, Cadillac ATS, Chevrolet Equinox, and GMC Terrain vehicles. The high pressure fuel pump may detach from its mounting flange, possibly resulting in the pump damaging the high pressure fuel line.
Remedy: GM will notify owners, and dealers will replace the high pressure fuel pump, and high pressure fuel pipe, free of charge. The recall began July 2, 2018. Owners may contact Buick customer service at 1-800-521-7300, Cadillac customer…
Reported May 31, 2018. View on NHTSA
17V516000: POWER TRAIN:DRIVELINE:DRIVESHAFT
General Motors LLC (GM) is recalling certain 2018 Chevrolet Equinox and GMC Terrain vehicles and 2017-2018 GMC Acadia vehicles. The right front intermediate driveshaft may fracture and separate while driving.
Remedy: GM will notify owners, and dealers will replace the right front intermediate drive shaft assembly, free of charge. The recall began August 25, 2017. Owners may contact GMC customer service at 1-800-462-8782 or Chevrolet customer service…
Reported August 22, 2017. View on NHTSA

Data sources

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

Source checked: October 12, 2026

Data verified: October 13, 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.

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Frequently asked questions

What engine does the 2018 GMC Acadia have?

Varies by configuration: 2.5L 4-cylinder (SIDI), 3.6L 6-cylinder (SIDI). Engines can differ by trim, so check the trim list below.

What is the fuel economy of the 2018 GMC Acadia?

Combined fuel economy is 23 mpg (10.2 L/100 km) to 20 mpg (11.8 L/100 km), as published by the source shown in the specification table.

Is the 2018 GMC Acadia front-wheel, rear-wheel or all-wheel drive?

Drivetrain: Varies by configuration: AWD, FWD.

Are there recalls for the 2018 GMC Acadia?

NHTSA lists 2 recall campaigns for this model year (last checked October 13, 2026). Details are in the Recalls section.