<P> The HHR shares the GM Delta platform with the Chevrolet Cobalt, Pontiac G5, and Saturn Ion . In Mexico, it was marketed with its predecessor, the Opel - sourced Chevrolet Zafira compact MPV . </P> <P> Chevrolet marketed a panel van variant of the HHR beginning in 2007 . Assembled in Ramos Arizpe, Mexico and marketed throughout North America, production of the HHR ended in May 2011 . </P> <P> The name HHR is an initialism for Heritage High Roof . </P> <P> The vehicle's design was inspired by the mid-1940s Chevrolet cars and trucks, specifically the 1947 Chevrolet Suburban and Advance Design pickups, with large, square fender flares and a hemispherical grille . The design of the HHR has been credited to Bryan Nesbitt who was a former designer at Chrysler where he was the lead designer of the Chrysler PT Cruiser . Nesbitt was recruited by GM to join its design staff and served for a time as the chief designer of the Chevrolet brand . The HHR had a cargo - carrying capacity of 62.7 cubic feet (1.78 m). All models had a flat - load floor (passenger models have 60 / 40 split bench) and fold - flat front passenger seat . For the 2007 model year, it was available in five trim levels; LS, LT, 2LT, and Special Edition . A panel van variant was also made available in 2007 for only the LT trim and became available on all trim levels in 2008 . </P>

What does hhr stand for on a chevy