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2018 GMC models & specs

2018 GMC models & specs: browse the EPA-backed listings below, then open a model for its configuration-specific figures.

EPA data snapshot imported 2026-09-06 · United States · US gallons

EPA catalogue scope

EPA records in this snapshot list 17 2018 GMC model pages and 44 rated configurations. Listed primary fuels include Regular Gasoline, Diesel, Premium Gasoline. Open a model page for its exact rating and source ID; a model-level record does not establish one VIN's equipment or history.

Choose the model

Names follow EPA listings. A powertrain configuration may cover several retail trims. Match the exact vehicle with its VIN and factory documentation before using a specification for parts or repairs.

Acadia AWD

2 EPA configurations · Regular Gasoline

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Acadia FWD

2 EPA configurations · Regular Gasoline

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Canyon 2WD

4 EPA configurations · Regular Gasoline, Diesel

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Canyon 4WD

3 EPA configurations · Regular Gasoline, Diesel

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Canyon Cab Chassis 2WD

1 EPA configuration · Regular Gasoline

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Sierra 15 Hybrid 2WD

1 EPA configuration · Regular Gasoline

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Sierra 15 Hybrid 4WD

1 EPA configuration · Regular Gasoline

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Sierra C15 2WD

5 EPA configurations · Regular Gasoline, Premium Gasoline

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Sierra C15 Cab Chassis 2WD

1 EPA configuration · Regular Gasoline

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Sierra K15 4WD

5 EPA configurations · Regular Gasoline, Premium Gasoline

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Sierra K15 Cab Chassis 4WD

1 EPA configuration · Regular Gasoline

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Terrain AWD

3 EPA configurations · Premium Gasoline, Regular Gasoline, Diesel

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Terrain FWD

3 EPA configurations · Premium Gasoline, Regular Gasoline, Diesel

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Yukon C1500 2WD

3 EPA configurations · Premium Gasoline, Regular Gasoline

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Yukon C1500 XL 2WD

3 EPA configurations · Premium Gasoline, Regular Gasoline

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Yukon K1500 4WD

3 EPA configurations · Premium Gasoline, Regular Gasoline

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Yukon K1500 XL 4WD

3 EPA configurations · Premium Gasoline, Regular Gasoline

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Evidence

Catalogue source

Open the underlying public source and verify that its scope matches the question you are asking.

  1. EPA fuel-economy vehicle datasetU.S. Environmental Protection Agency and Department of Energy