How much is a GMC Sierra 1500?

Based on the current GMC Sierra 1500 listings for sale on Classics on Autotrader, you may find some that cost as low as $200 and max out around $189,995. While the average price of a GMC Sierra 1500 is around $27,971, take a look at all the features, the vehicle's condition, and mileage to find the best deal.