Dieffenbach GM Superstore is a Rockingham Buick, Cadillac, Chevrolet, GMC, Pontiac dealer and a new car and used car Rockingham NC Buick, Cadillac, Chevrolet, GMC, Pontiac dealership.

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Dieffenbach GM Superstore

Highway 74 East

Rockingham, NC 28379

Phone: (888) 827-1969

Fax: (910) 997-6908

CONTACT INTERNET SALES MANAGER: TARA PLATT