for Sale
Asking prices show a moderate spread, typical for this model year — pay attention to mileage and condition when comparing listings.
The 2018 GMC Sierra 1500 is currently available from 30 dealers on Searchshop with 53 active listings. Prices range from $19,999 to $38,994. Median price is $28,200. 12 other model years are also available, which gives you a reference point for how the Sierra 1500 has held value.
Where to Find One
Inventory is concentrated across California, Kansas, Missouri, so buyers in those regions will find the most local options.
Buyer Tip
For a 8-year-old Sierra 1500, prioritize a pre-purchase inspection by an independent mechanic who knows the model. Ask specifically about common 2018 model-year issues, verify the title is clean, and assume any "we just replaced…" claim needs paperwork to back it up.
