2018 GMC Acadia: Recalls, Problems & MPG
Here are the deets on the 2018 GMC Acadia: 2 recalls, 396 owner complaints and up to 23 mpg combined.
Recalls
2 vehicle recalls from the manufacturer. Repairs are free. Check your VIN to see if one is still open on your car.
Transmission & drivetrain Vehicle recall #17V516000 · 2017 · 2,905 vehicles
What's wrong: The right front intermediate driveshaft May fracture and separate while driving.
Why it matters: 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…
The fix: Gm will notify owners, and dealers will replace the right front intermediate drive shaft assembly, free of charge. The recall began August 25, 2017.
Fuel system Vehicle recall #18V358000 · 2018 · 895 vehicles
What's wrong: The high pressure fuel pump May detach from its mounting flange, possibly resulting in the pump damaging the high pressure fuel line.
Why it matters: A damaged fuel line can create a fuel leak, increasing the risk of a fire.
The fix: 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.
Most-reported problems
Owner complaints filed with NHTSA, by component. One complaint can list several components. 1 mention a fire, 12 injuries and 0 deaths were reported.
What owners describe
- Transmission & drivetrain (163): the most common themes are hard / delayed shifting (146), stalls / loses power (29).
- Other / unknown (118): the most common themes are stalls / loses power (24).
- Electrical (109): the most common themes are electrical failure (36), stalls / loses power (27).
- Engine (34): the most common themes are stalls / loses power (8).
The 2018 GMC Acadia has 396 owner complaints, ranking #5 of 20 Acadia model years for complaints (about average; the typical year has 278). Complaints peaked in 2019 (84 filed that year). The typical problem showed up when the car was about 3 years old, at a median of 32,000 miles. Neighboring years: 2017 (704 complaints, 4 recalls), 2019 (387 complaints, 2 recalls).
Engines & fuel economy (EPA)
| Engine | Transmission | Drive | City | Hwy | Comb. | Fuel |
|---|---|---|---|---|---|---|
| 2.5 L 4-cyl | Automatic 6-spd | Front-Wheel Drive | 21 | 26 | 23 | Regular |
| 2.5 L 4-cyl | Automatic 6-spd | All-Wheel Drive | 21 | 25 | 23 | Regular |
| 3.6 L 6-cyl | Automatic 6-spd | Front-Wheel Drive | 18 | 25 | 21 | Regular |
| 3.6 L 6-cyl | Automatic 6-spd | All-Wheel Drive | 17 | 25 | 20 | Regular |
Want the full repair deets? Get the factory manual.
Recall and complaint data tells you what goes wrong. A service manual tells you how to fix it: torque specs, wiring diagrams, fluid capacities and step-by-step procedures for the 2018 GMC Acadia.
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FAQ
Does the 2018 GMC Acadia have any recalls?
Yes. NHTSA lists 2 vehicle recalls for the 2018 GMC Acadia. Recall repairs are free at any dealer, no matter how old the car is. Check your VIN at nhtsa.gov/recalls.
What are the most common 2018 GMC Acadia problems?
Owners have filed 396 complaints with NHTSA. The most-reported areas are transmission & drivetrain (163), other / unknown (118), electrical (109).
What gas mileage does the 2018 GMC Acadia get?
EPA ratings run up to 23 mpg combined (2.5 L, Automatic 6-spd), across 4 engine and transmission combos.
Where can I get a 2018 GMC Acadia repair manual?
eManualOnline sells downloadable manuals, Mitchell 1 DIY and ALLDATAdiy sell online access to factory repair data, and Haynes sells printed guides and online access. Pick a download if you want to keep it, or a subscription for wiring diagrams and TSBs.