1972 GMC Suburban CUSTOM WAGON Call for price Selling At Auction - Scottsdale - March - 2021 - as Lot Number: 703.10; This custom 1972 GMC Suburban is powered by a 406ci 8-cylinder small-block engine mated to a 3-speed automatic... Barrett-Jackson Auction Company Scottsdale, AZ (888)-444-3002 Inquire