Used 2018 GMC Acadia for Sale near Washington, DC

## Summary - With 2,316 currently listed for sale on CarGurus and an **average price of $16,023.00**, 33.2% of 2018 GMC Acadias for sale on CarGurus are rated as good or great deals. - **Favorably reviewed:** Owners rated the 2018 GMC Acadia 4.32 / 5 stars. - **60.8% of 2018 Acadia models on CarGurus are accident free**. - The 2018 GMC Acadia introduces V6 power to more trims, enhancing its appeal for families needing a spacious and comfortable vehicle. ## Why it stands out The 2018 GMC Acadia marks a significant shift from its predecessors, prioritizing a lighter body that improves fuel efficiency and handling while compromising slightly on towing capacity and trunk space. Notably, this model allows for the inclusion of the robust 3.6-liter V6 engine across more trims, making it an appealing choice for those who require more power and versatility than the base 2.5-liter 4-cylinder engine offers. The interior remains spacious and well-equipped, with features like tri-zone climate control and an advanced infotainment system even in the base SL trim. However, prospective buyers should be aware of the limited trunk space which might be a concern for families needing ample cargo room. ## Other model years to consider - **[2019 GMC Acadia](https://www.cargurus.com/Cars/l-Used-2019-GMC-Acadia-c27785)** - Average price: $17,687.00 - Good/great deal percentage: 32.7% - User rating: 4.54 / 5 - Total listings: 2,161 - **[2020 GMC Acadia](https://www.cargurus.com/Cars/l-Used-2020-GMC-Acadia-c29030)** - Average price: $20,978.00 - Good/great deal percentage: 32.6% - User rating: 4.83 / 5 - Total listings: 2,339 --- This analysis is based on CarGurus' proprietary market data from March 2, 2026, CarGurus experts' opinions, and generative AI.