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2027 GMC Acadia Specs: MPG, Gas Mileage, Engine Size & Dimensions

2015–2027 model years44 variantsUp to 25 MPG combined
Real-World MPG QuestionsBed Dimensions & Cargo SpaceService Intervals

2027 GMC Acadia Specs at a Glance

The 2027 GMC Acadia gets 22 mpg combined on the 2.5L Front-Wheel Drive configuration, weighs 4,502 lbs, measures 203.9 in long. Figures are per configuration, not a single official number — other trims rate as low as 21 mpg combined. Every figure below comes from EPA, NHTSA, or manufacturer published data — no estimates.

Combined MPG
22 mpg (20 city / 26 hwy)
Best configuration: 2.5L · Front-Wheel Drive · Automatic 8-spd · other 2027 trims rate 21–22 mpg combined
Engine
2.5L 4-cyl
2.5L · Front-Wheel Drive · Automatic 8-spd
Curb weight
4,502 lbs
Heaviest recorded configuration: ACADIA 4DR SUV AWD
Length
203.9 in · 79.5 in wide · 70.9 in tall
Wheelbase
120.9 in
NHTSA overall
5-star (2024)

2027 GMC Acadia trims and MPG

TrimEngineTransDriveCityHwyCombined
Auto 8-spd, 4 cyl, 2.5 L4 · 2.5LAutomatic 8-spdFront-Wheel Drive202622
Auto 8-spd, 4 cyl, 2.5 L4 · 2.5LAutomatic 8-spdAll-Wheel Drive202321

Detailed Specifications

MPG & Fuel Economy

MPG for every year and trim

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Engine Specifications

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Annual Fuel Cost

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Transmission Specifications

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Drivetrain & Drive Type

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Vehicle Class & EPA Size Category

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Maintenance Schedule & Service Intervals

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Dimensions & Size

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Curb Weight

Curb Weight for every year and trim

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NHTSA Safety Ratings

Safety for every year and trim

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GMC Acadia — All Years Overview

YearTrimEngineTransDriveCityHwyCombinedFuel
2027Auto 8-spd, 4 cyl, 2.5 L4 · 2.5LAutomatic 8-spdFront-Wheel Drive202622Regular Gasoline
2027Auto 8-spd, 4 cyl, 2.5 L4 · 2.5LAutomatic 8-spdAll-Wheel Drive202321Regular Gasoline
2026Auto 8-spd, 4 cyl, 2.5 L4 · 2.5LAutomatic 8-spdAll-Wheel Drive202321Regular Gasoline
2026Auto 8-spd, 4 cyl, 2.5 L4 · 2.5LAutomatic 8-spdFront-Wheel Drive202622Regular Gasoline
2025Auto 8-spd, 4 cyl, 2.5 L4 · 2.5LAutomatic 8-spdAll-Wheel Drive192421Regular Gasoline
2025Auto 8-spd, 4 cyl, 2.5 L4 · 2.5LAutomatic 8-spdFront-Wheel Drive202723Regular Gasoline
2024Auto 8-spd, 4 cyl, 2.5 L4 · 2.5LAutomatic 8-spdFront-Wheel Drive202723Regular Gasoline
2024Auto 8-spd, 4 cyl, 2.5 L4 · 2.5LAutomatic 8-spdAll-Wheel Drive192421Regular Gasoline
2023Auto 9-spd, 4 cyl, 2.0 L4 · 2.0LAutomatic 9-spdFront-Wheel Drive222925Regular Gasoline
2023Auto 9-spd, 4 cyl, 2.0 L4 · 2.0LAutomatic 9-spdAll-Wheel Drive222724Regular Gasoline
2023Auto 9-spd, 6 cyl, 3.6 L6 · 3.6LAutomatic 9-spdFront-Wheel Drive192722Regular Gasoline
2023Auto 9-spd, 6 cyl, 3.6 L6 · 3.6LAutomatic 9-spdAll-Wheel Drive192621Regular Gasoline
2022Auto 9-spd, 4 cyl, 2.0 L4 · 2.0LAutomatic 9-spdFront-Wheel Drive222925Regular Gasoline
2022Auto 9-spd, 4 cyl, 2.0 L4 · 2.0LAutomatic 9-spdAll-Wheel Drive222724Regular Gasoline
2022Auto 9-spd, 6 cyl, 3.6 L6 · 3.6LAutomatic 9-spdFront-Wheel Drive192722Regular Gasoline
2022Auto 9-spd, 6 cyl, 3.6 L6 · 3.6LAutomatic 9-spdAll-Wheel Drive192621Regular Gasoline
2021Auto 9-spd, 4 cyl, 2.0 L4 · 2.0LAutomatic 9-spdAll-Wheel Drive222724Regular Gasoline
2021Auto 9-spd, 4 cyl, 2.0 L4 · 2.0LAutomatic 9-spdFront-Wheel Drive222925Regular Gasoline
2021Auto 9-spd, 4 cyl, 2.5 L4 · 2.5LAutomatic 9-spdFront-Wheel Drive212723Regular Gasoline
2021Auto 9-spd, 6 cyl, 3.6 L6 · 3.6LAutomatic 9-spdFront-Wheel Drive192722Regular Gasoline
2021Auto 9-spd, 6 cyl, 3.6 L6 · 3.6LAutomatic 9-spdAll-Wheel Drive192621Regular Gasoline
2020Auto 9-spd, 4 cyl, 2.0 L4 · 2.0LAutomatic 9-spdAll-Wheel Drive212723Regular Gasoline
2020Auto 9-spd, 4 cyl, 2.0 L4 · 2.0LAutomatic 9-spdFront-Wheel Drive212824Regular Gasoline
2020Auto 9-spd, 4 cyl, 2.5 L4 · 2.5LAutomatic 9-spdFront-Wheel Drive212723Regular Gasoline
2020Auto 9-spd, 6 cyl, 3.6 L6 · 3.6LAutomatic 9-spdFront-Wheel Drive192722Regular Gasoline
2020Auto 9-spd, 6 cyl, 3.6 L6 · 3.6LAutomatic 9-spdAll-Wheel Drive182521Regular Gasoline
2019Auto 6-spd, 4 cyl, 2.5 L4 · 2.5LAutomatic 6-spdAll-Wheel Drive212522Regular Gasoline
2019Auto 6-spd, 4 cyl, 2.5 L4 · 2.5LAutomatic 6-spdFront-Wheel Drive212623Regular Gasoline
2019Auto 6-spd, 6 cyl, 3.6 L6 · 3.6LAutomatic 6-spdFront-Wheel Drive182521Regular Gasoline
2019Auto 6-spd, 6 cyl, 3.6 L6 · 3.6LAutomatic 6-spdAll-Wheel Drive172520Regular Gasoline
2018Auto 6-spd, 4 cyl, 2.5 L4 · 2.5LAutomatic 6-spdFront-Wheel Drive212623Regular Gasoline
2018Auto 6-spd, 4 cyl, 2.5 L4 · 2.5LAutomatic 6-spdAll-Wheel Drive212523Regular Gasoline
2018Auto 6-spd, 6 cyl, 3.6 L6 · 3.6LAutomatic 6-spdFront-Wheel Drive182521Regular Gasoline
2018Auto 6-spd, 6 cyl, 3.6 L6 · 3.6LAutomatic 6-spdAll-Wheel Drive172520Regular Gasoline
2017Auto 6-spd, 4 cyl, 2.5 L4 · 2.5LAutomatic 6-spdAll-Wheel Drive212523Regular Gasoline
2017Auto 6-spd, 4 cyl, 2.5 L4 · 2.5LAutomatic 6-spdFront-Wheel Drive212623Regular Gasoline
2017Auto 6-spd, 6 cyl, 3.6 L6 · 3.6LAutomatic 6-spdAll-Wheel Drive182520Regular Gasoline
2017Auto 6-spd, 6 cyl, 3.6 L6 · 3.6LAutomatic 6-spdFront-Wheel Drive152218Regular Gasoline
2017Auto 6-spd, 6 cyl, 3.6 L6 · 3.6LAutomatic 6-spdAll-Wheel Drive152217Regular Gasoline
2017Auto 6-spd, 6 cyl, 3.6 L6 · 3.6LAutomatic 6-spdFront-Wheel Drive182521Regular Gasoline
2016Auto 6-spd, 6 cyl, 3.6 L6 · 3.6LAutomatic 6-spdFront-Wheel Drive152218Regular Gasoline
2016Auto 6-spd, 6 cyl, 3.6 L6 · 3.6LAutomatic 6-spdAll-Wheel Drive152217Regular Gasoline
2015Auto 6-spd, 6 cyl, 3.6 L6 · 3.6LAutomatic 6-spdFront-Wheel Drive172419Regular Gasoline
2015Auto 6-spd, 6 cyl, 3.6 L6 · 3.6LAutomatic 6-spdAll-Wheel Drive162319Regular Gasoline

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GMC Acadia — Frequently Asked Questions

What is the fuel economy of the 2027 GMC Acadia?

The GMC Acadia is EPA-rated at up to 25 MPG combined (22 city / 29 highway), a historical peak recorded on the 2023 model year.

What engine does the 2027 GMC Acadia have?

The GMC Acadia uses a 2.5L 4-cylinder engine paired with an Automatic 8-spd transmission.

What years of the GMC Acadia are covered here?

This page documents 44 verified GMC Acadia configurations across model years 2015–2027.

Which model year of the GMC Acadia is the most fuel efficient?

The 2023 GMC Acadia holds the highest combined rating at 25 MPG; the 2016 sits lowest at 18 MPG, a difference of 7 MPG (about 39%) across the 13 rated years on file.

How many engine options does the GMC Acadia have?

The records list 3 distinct displacements for the GMC Acadia — 2L, 2.5L, 3.6L — which is why combined MPG varies between trims of the same year.

Is the 2027 GMC Acadia front-wheel drive or all-wheel drive?

The GMC Acadia appears in 2 drivetrain layouts across the years documented here — Front-Wheel Drive, All-Wheel Drive — with the latest 2027 record on Front-Wheel Drive.

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