Dieffenbach GM Superstore

Awesome experience. My sales person Tara went "above and beyond" to make the process smooth and kept me informed. I couldn't be happier with my new Tahoe. My sales person Tara went "above and beyond" to make the process smooth and kept me informed. I couldn't be happier with my new Tahoe. More

Very pleasant experience! Brian was very helpful and knowledgeable all around, was able to answer any questions I had in seconds. And the rest if the staff was very helpful a Brian was very helpful and knowledgeable all around, was able to answer any questions I had in seconds. And the rest if the staff was very helpful and friendly as well. My daughter's and I are very happy with our New 2026 GMC Sierra! More

Purchased a new vehicle, my sales person was GREAT! On the other hand the sales dept management was horrible, not only rude to myself but also the staff. The management really needs a lesson in manners On the other hand the sales dept management was horrible, not only rude to myself but also the staff. The management really needs a lesson in manners and being respectful. Third dealership in a week, and disrespect was very obvious and customer service was horrible. More

Best service ever! Andy made the process so smooth for us. Everything about this dealership is wonderful! Andy made the process so smooth for us. Everything about this dealership is wonderful! More

My husband and I recently purchased a new Tahoe, and Stephen, Rusty, and staff were so kind, helpful, and easy to work with! If you are ever in the Rockingham area and looking for a new ride, check thes Stephen, Rusty, and staff were so kind, helpful, and easy to work with! If you are ever in the Rockingham area and looking for a new ride, check these guys out! Thank you again to Dieffenbach for all of your help and hospitality last week! We appreciate you all! More