2006 GMC Sierra CUSTOM PICKUP Call for price Selling At Auction - Scottsdale - March - 2021 - as Lot Number: 644.00; This museum-kept 2006 Sierra 1500 custom pickup has 7,500 actual miles (mileage not indicated on the title) and was built... Barrett-Jackson Auction Company Scottsdale, AZ (888)-444-3002 Inquire