The 2018 GMC Acadia is a SUV that came with a choice of 2.5L 4-cyl and 3.6L 6-cyl engines. Even at 8 years old, a damaged or broken-down one still has real value for its parts. Running or not, we'll make you an offer and tow it away for free.
| Body style | Standard Sport Utility Vehicle 2WD, Standard Sport Utility Vehicle 4WD |
|---|---|
| Engines | 2.5L 4-cyl, 3.6L 6-cyl |
| Transmissions | Automatic 6-spd |
| Drive | Front-Wheel Drive, All-Wheel Drive |
| Fuel | Regular Gasoline |
| Fuel economy | 17–21 city / 25–26 highway / 20–23 combined MPG |
| EPA annual fuel cost | $2,900–$3,350 a year (EPA estimate at current fuel prices, 15,000 miles) |
| Tailpipe CO₂ | 386–442 grams per mile |
| EPA fuel economy score | 4–5 out of 10 |
| EPA greenhouse gas score | 4–5 out of 10 |
| Curb weight (NHTSA test vehicle) | 4,470 lb |
| Gross vehicle weight rating | 6,001 lb |
| Versions tested by EPA | 4 configurations: Acadia FWD, Acadia AWD |
| Age | 8 years |
Specs, fuel cost and emissions from the EPA's fueleconomy.gov data; weights from NHTSA crash-test records. Your car's exact equipment may differ.
NHTSA lists 2 safety recalls covering the 2018 GMC Acadia. Open recalls don't stop you from selling or junking the car, but check your VIN at nhtsa.gov/recalls to see which apply to yours.
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…
Risk: A damaged fuel line can create a fuel leak, increasing the risk of a fire.
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 m
Owners have filed 396 complaints about the 2018 GMC Acadia with NHTSA. 8 reports involved a crash and 1 report involved a fire. Owners reported 12 injuries.
Complaints are reports from owners and aren't verified by NHTSA. One complaint can list several components. Mileage is the median odometer reading owners reported for that component.
NHTSA's 5-Star Safety Ratings for the 2018 GMC Acadia, by version tested.
| Version | Overall | Frontal crash | Side crash | Rollover | Rollover risk |
|---|---|---|---|---|---|
| Suv, AWD | ★★★★★ | ★★★★★ | ★★★★★ | ★★★★☆ | 15% |
| Suv, FWD | ★★★★☆ | ★★★★★ | ★★★★★ | ★★★★☆ | 16.4% |
Source: NHTSA 5-Star Safety Ratings (NCAP). Ratings from different model years or rating systems aren't directly comparable.
Manufacturers have filed 1,071 technical service bulletins and communications with NHTSA covering the 2018 GMC Acadia. These are repair instructions for known issues, not recalls.
1 of them is a warranty extension. Warranty extensions mean the manufacturer agreed to cover a specific repair beyond the normal warranty. They rarely still apply to a car this age, but they point to known weak spots.
This PI provides Diagnostics tips on how the LIN bus works and how to diagnosis it.
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
PI to help diagnose A/C concern
This preliminary information communicates information about how to determine if a wheel and tires size change is available.
Source: NHTSA manufacturer communications (technical service bulletins).
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It depends on its condition, whether major parts like the engine, transmission and catalytic converter are still there, and current scrap and parts prices where you live. As a heavier vehicle, its scrap weight adds to the offer. Enter your ZIP code above for a free offer on your specific car.
Yes. We buy 2018 Acadias that don't start, were in an accident, failed inspection or have a blown engine or transmission. Towing is always free.
Yes. Open recalls don't prevent a junk sale. NHTSA lists 2 recalls for the 2018 GMC Acadia; you can check whether any are still open on yours with the VIN lookup at nhtsa.gov/recalls.
Usually the title and a photo ID. Rules differ by state, including what to do with your plates and whether to file a notice of sale. Check our state-by-state car title guides for the official forms.
Data retrieved October 2026.
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