Used 2018 GMC Sierra 1500 for Sale near Modesto, CA

## Summary - With 4,576 currently listed for sale on CarGurus and an **average price of $26,509.00**, 24.5% of 2018 GMC Sierra 1500s for sale on CarGurus are rated as good or great deals. - **Favorably reviewed:** Owners rated the 2018 GMC Sierra 1500 4.43 / 5 stars. - **68.2% of 2018 Sierra 1500 models on CarGurus are accident free**. - The 2018 GMC Sierra 1500 stands out with its smooth ride, luxurious feel, and the latest standard safety features, ensuring both comfort and utility for drivers. ## Why it stands out The 2018 GMC Sierra 1500 distinguishes itself with a blend of rugged utility and luxurious comfort. This model year features a range of powerful engine options, including a robust 6.2-liter V8, which provides excellent towing capabilities—up to 12,500 pounds when properly equipped. The Sierra's design is both modern and elegant, featuring a spacious cabin that feels more like a well-appointed living room than a work truck. Notable updates for this year include standard technology features, such as the GMC IntelliLink infotainment system, now available across all trims. Despite its luxurious appointments, user reviews highlight some shortcomings, such as the lack of backseat vents and basic safety options in certain trims. Nevertheless, the balance of performance, comfort, and advanced technology makes the 2018 GMC Sierra 1500 an appealing choice for buyers looking for both style and functionality. ## Other model years to consider - **[2020 GMC Sierra 1500](https://www.cargurus.com/Cars/l-Used-2020-GMC-Sierra-1500-c29270)** - Average price: $33,912.00 - Good/great deal percentage: 25.6% - User rating: 4.65 / 5 - Total listings: 7,278 - **[2021 GMC Sierra 1500](https://www.cargurus.com/Cars/l-Used-2021-GMC-Sierra-1500-c30942)** - Average price: $35,716.00 - Good/great deal percentage: 25.6% - User rating: 4.87 / 5 - Total listings: 7,576 - **[2019 GMC Sierra 1500](https://www.cargurus.com/Cars/l-Used-2019-GMC-Sierra-1500-c27478)** - Average price: $32,320.00 - Good/great deal percentage: 25.4% - User rating: 4.73 / 5 - Total listings: 5,616 This analysis is based on CarGurus' proprietary market data from February 16, 2026, CarGurus experts' opinions, and generative AI.