Model year 2018 · Standard Sport Utility Vehicle 4WD, Standard Sport Utility Vehicle 2WD

2018 GMC Acadia: recalls, fuel economy and safety ratings

EPA rates the 2018 GMC Acadia at 20–23 mpg combined across 4 versions. NHTSA lists 2 safety recalls and 398 owner complaints for this model year. Its best NHTSA overall crash-test rating is 5 out of 5 stars.

Safety recalls

2

EPA combined mpg

20–23

NHTSA overall rating

5/5

Recall file dated Oct 28, 2026 · EPA file dated Sep 29, 2026 · updated Oct 28, 2026, 7:36 AM EDT

Check your own car: enter your 17-character VIN at nhtsa.gov/recalls to see open recalls for that exact vehicle, and contact a GMC dealer to schedule the repair — safety recall repairs are free. The list below covers the whole model year, so not every recall applies to every car.

2018 GMC Acadia recalls

NHTSA's recall file lists 2 safety recalls for the 2018 GMC Acadia, newest first.

Fuel system, gasoline: Delivery: Fuel pump

NHTSA 18V358000 Reported May 31, 2018
Filed by
General Motors, LLC (manufacturer recall no. 18188 18268)
Units affected
895 (estimate)
Problem
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.
Risk
A damaged fuel line can create a fuel leak, increasing the risk of a fire.
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 service at 1-800-458-8006, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782. GM's number for this recall is 18188.

Full recall record on nhtsa.gov

Power train: Driveline: Driveshaft

NHTSA 17V516000 Reported Aug 22, 2017
Filed by
General Motors, LLC (manufacturer recall no. 17329)
Units affected
2,905 (estimate)
Problem
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.
Risk
If the front right intermediate drive shaft assembly separates while driving, the vehicle will lose propulsion, increasing the risk of a crash. If the assembly separates while parked on a grade, without the park brake engaged, the vehicle may move unintentionally, increasing the risk of a vehicle roll-away.
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 at 1-800-222-1020. GM's number for this recall is 17329.

Full recall record on nhtsa.gov

Recall summaries are written by NHTSA from manufacturers' defect reports. Dates are when NHTSA received the report.

2018 GMC Acadia fuel economy by version

EPA city/highway/combined estimates for each engine, transmission and drive combination. Annual fuel cost is EPA's estimate for 15,000 miles a year (55% city, 45% highway) at EPA's current fuel-price assumptions; your cost will vary.

2018 GMC Acadia EPA fuel economy
VersionEngineTransmissionDriveFuelCity/Hwy/CombFuel cost/yrCO2 g/mi
Acadia AWD2.5L 4-cylAutomatic 6-spdAll-Wheel DriveRegular21/25/23 mpg$2,900392
Acadia AWD3.6L 6-cylAutomatic 6-spdAll-Wheel DriveRegular17/25/20 mpg$3,350442
Acadia FWD2.5L 4-cylAutomatic 6-spdFront-Wheel DriveRegular21/26/23 mpg$2,900386
Acadia FWD3.6L 6-cylAutomatic 6-spdFront-Wheel DriveRegular18/25/21 mpg$3,200423

Source: FuelEconomy.gov (U.S. DOE and EPA), file dated Sep 29, 2026. Each version links to its FuelEconomy.gov record.

EPA estimates come from standardized lab tests so cars can be compared fairly; real-world mileage depends on speed, weather, load, tires and driving style.

2018 GMC Acadia crash-test ratings

NHTSA 5-Star Safety Ratings for the tested versions. More stars mean a lower chance of serious injury in that type of crash. Rollover risk is NHTSA's estimated chance of rolling over in a single-vehicle crash.

2018 GMC Acadia NHTSA 5-Star Safety Ratings
Tested vehicleOverallFrontalSideRolloverRollover riskForward collision warning
2018 GMC Acadia SUV AWD5 stars5 stars5 stars4 stars15%Optional
2018 GMC Acadia SUV FWD4 stars5 stars5 stars4 stars16.4%Optional

Source: NHTSA 5-Star Safety Ratings (New Car Assessment Program), checked Oct 26, 2026.

Star ratings compare vehicles of similar size and weight; a frontal rating for a large pickup is not directly comparable with one for a small car.

2018 GMC Acadia owner complaints

Owners have filed 398 complaints with NHTSA about the 2018 GMC Acadia, most recently on Oct 25, 2026. 8 mention a crash, 1 a fire, 12 injured people and 0 deaths. These are unverified reports; a complaint is not proof of a defect.

Most-cited components in 2018 GMC Acadia complaints
Component named in complaintsMentions
Power train152
Unknown or other118
Electrical system107
Engine35
Steering24
Service brakes21
Electronic stability control (ESC)12
Power train: Automatic transmission: Lever and linkage: Floor shift9
Fuel/propulsion system7
Seats5

Source: NHTSA consumer complaint files (complaints received since January 1, 2015). One complaint can name several components.

Had a safety problem with your vehicle? You can report it to NHTSA at nhtsa.gov/report-a-safety-problem.

Other GMC Acadia model years

GMC Acadia by model year
YearCombinedRecallsComplaintsOverall rating
2027 Acadia21–22 mpg———
2026 Acadia21–22 mpg1105/5
2025 Acadia21–23 mpg0695/5
2024 Acadia21–23 mpg0615/5
2023 Acadia21–25 mpg4495/5
2022 Acadia21–25 mpg3525/5
2021 Acadia21–25 mpg21555/5
2020 Acadia21–24 mpg61065/5
2019 Acadia20–23 mpg23885/5
2017 Acadia17–23 mpg47065/5
2016 Acadia17–18 mpg42365/5
2015 Acadia19 mpg42435/5

All GMC Acadia years compared · Decode a VIN

Other 2018 GMC models

Sources

  • Recalls: NHTSA recall flat file (FLAT_RCL_POST_2010), dated Oct 28, 2026, plus a live check of api.nhtsa.gov in your browser.
  • Complaints: NHTSA consumer complaint flat files (COMPLAINTS_RECEIVED), counts only — we do not republish complaint text.
  • Crash tests: NHTSA 5-Star Safety Ratings API.
  • Fuel economy: FuelEconomy.gov vehicles file (U.S. DOE and EPA), dated Sep 29, 2026.
  • NHTSA, EPA and DOE do not endorse OpenVIN. Vehicle names identify vehicles only; OpenVIN is not affiliated with GMC.