Welcome to Our Service Department

At GM Demo Motors, our highly qualified technicians are here to provide exceptional service in a timely manner. From oil changes to transmission replacements, we are dedicated to maintaining top tier customer service, for both new and pre-owned car buyers! Allow our staff to demonstrate our commitment to excellence.

Your privacy is important to us.

Merit Chevy Buick GMC of Duncan takes your privacy seriously and does not rent or sell your personal information to third parties without your consent. Read our privacy policy.