The GMC Sierra 1500HD was first introduced as a heavy-duty crew cab truck in 2001. For 2007, the Sierra 1500HD resided as part of the GMC brand’s Classic line of trucks based on the outgoing GMT800 ...

During the 2007 model year, buyers were offered a last chance to buy a new version of the pickup truck on the previous generation with the availability of the GMC Sierra 1500 Classic. Offered with ...

However, it was GM that truly changed the pickup truck game in the '90s when they introduced the GMC Syclone – a pickup ... iconic and capable nameplates of old, a high-performance GM truck ...