Used 2018 GMC Acadia for Sale near Portland, OR
78 results
CarGurus Analysis:
2018 GMC Acadia
With 77 currently listed for sale near Portland, OR and an average price of $18,848.00, 28.6% of 2018 GMC Acadias for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2018 GMC Acadia 4.77 / 5 stars.
84.4% of 2018 Acadia models on CarGurus are accident free.
The 2018 GMC Acadia offers a spacious and comfortable interior, a variety of available features, and the introduction of V6 power for more trims, enhancing its versatility for families.
CarGurus Analysis: 2018 GMC Acadia
overall

Summary
With 77 currently listed for sale near Portland, OR and an average price of $18,848.00, 28.6% of 2018 GMC Acadias for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2018 GMC Acadia 4.77 / 5 stars.
84.4% of 2018 Acadia models on CarGurus are accident free.
The 2018 GMC Acadia offers a spacious and comfortable interior, a variety of available features, and the introduction of V6 power for more trims, enhancing its versatility for families.
Why it stands out
The 2018 GMC Acadia is tailored for families in need of space and comfort, as noted by owner reviews praising its roomy design and array of features. The model's lightweight construction—roughly 700 pounds lighter than its predecessor—enhances handling, fuel economy, and overall driving dynamics. With a 3.6-liter V6 engine option available across more trims, it caters to drivers needing more power for towing and hauling, as well as those who appreciate a responsive driving experience. The Acadia also stands out for its available modern technological features, including Android Auto and Apple CarPlay, and essential safety features like blind-spot monitoring and lane-departure warnings that enhance its appeal in the competitive crossover segment. Despite some criticisms about limited trunk space, the 2018 Acadia's strengths in performance, comfort, and tech keep it relevant among used family SUVs.
Other model years to consider
- Average price: $29,145.00
- Good/great deal percentage: 68.4%
- User rating: 5 / 5
- Total listings: 79
- Average price: $30,717.00
- Good/great deal percentage: 80.6%
- User rating: 4.88 / 5
- Total listings: 72
- Average price: $17,718.00
- Good/great deal percentage: 29.2%
- User rating: 4.43 / 5
- Total listings: 65
This analysis is based on CarGurus' proprietary market data from April 14, 2026, CarGurus experts' opinions, and generative AI.
Relevant articles

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The GMC Acadia is a brash midsize SUV that’s equipped—and priced—like a bigger model. It gets a new top trim for 2026.

2025 GMC Acadia Pricing, Specs, and Release Date
The 2025 GMC Acadia, a mid-size crossover SUV with three rows of seating for up to seven passengers, underwent a significant update recently and continues to benefit from added safety and tech features, as well as a nicer interior.

Who Makes GMC Cars?
GMC is an American automaker that builds premium trucks and SUVs with capability and comfort as selling points. GMC is a division of General Motors and all of its vehicles share platforms with other GM products. Certain products, like its trucks, are very closely related to Chevrolet products.
4.8 Overall rating
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David A
Reviewed a 2018 GMC Acadia on Jun 30, 2025
The stereo system is low budget. Needs more quality , it couldn’t hurt considering the price for the vehicle.
Steve P
Reviewed a 2018 GMC SLT-2 AWD on Feb 22, 2026
My new/used 2018 Acadia is just what I was looking for. It has mostly all the bells and whistles. I thought it had a heated steering wheel, but I cant locate the button for it. Otherwise the 1 owner who owned it before me took really good care of it and it is very very tight! Nice find for me
Laurie P
Reviewed a 2018 GMC Acadia on Feb 23, 2022
I love my 2018 Acadia. I bought it in 2020 as a CPO vehicle, and it felt and looked brand new. My previous car was an 05 BMW X5 and drove like a sports car. I needed my next SUV to handle the road similarly and it had to be towable. It checked off those boxes easily. I also wanted a 3rd row seat. And the 2nd row seats had to be a bench seat to accommodate my 120lb dog. On top of all that, it had to be reliable!! I LOVE my Acadia and would recommend it to anyone.
April L
Reviewed a 2018 GMC Acadia on Jul 8, 2021
This car is spacious, sporty, and I think combines the features of an SUV and a minivan. It fits my lifestyle perfectly, and it is so fun to drive!
2018 GMC Acadia Trims
| Trim type | MSRP |
|---|---|
| SLT-2 AWD | $43,900 |
| SLE-2 FWD | $35,200 |
| SLE-1 FWD | $32,600 |
| Denali FWD | $45,100 |
| SLE-2 AWD | $37,200 |
| SLT-1 FWD | $38,500 |
| SLT-1 AWD | $41,600 |
| Denali AWD | $47,100 |
2018 GMC Acadia Price Trends
CarGurus tracks the prices of millions of used car listings every year. See how the average price of 2018 GMC Acadia prices has changed over time.
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