1209 E Broad Ave
Rockingham, NC 28379

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Sales: 910-997-2501

Used Cars: 910-997-2501

Hours Toggle

Sales Department

Sun Closed
Mon 8:30am – 8:00pm
Tue 8:30am – 8:00pm
Wed 8:30am – 8:00pm
Thu 8:30am – 8:00pm
Fri 8:30am – 8:00pm
Sat 9:00am – 5:00pm

Service Department

Sun Closed
Mon 8:00am – 5:30pm
Tue 8:00am – 5:30pm
Wed 8:00am – 5:30pm
Thu 8:00am – 5:30pm
Fri 8:00am – 5:30pm
Sat 9:00am – 1:00pm

Reviews of Dieffenbach GM Superstore

Showing the most recent reviews from Cars.com and DealerRater.

5.0 (out of 5)

Awesome experience.

Reviewed by dennismcnamara4November 24, 2025

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.

  • Does recommend this dealer
  • Shopped for a new car

Overall Experience 5

Customer Service N/A

Quality of Repair N/A

Friendliness N/A

Pricing N/A

Maximum rating = 5

5.0 (out of 5)

Very pleasant experience!

Reviewed by Matthew Branch November 13, 2025

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 and friendly as well. My daughter's and I are very happy with our New 2026 GMC Sierra!

  • Does recommend this dealer
  • Shopped for a new car

Overall Experience 5

Customer Service N/A

Quality of Repair N/A

Friendliness N/A

Pricing N/A

Maximum rating = 5

5.0 (out of 5)

Andy, Tara and Rusty were amazing.

Reviewed by ANDREA A from Myrtle Beach, SCAugust 10, 2025

Andy, Tara and Rusty were amazing. Best new car shopping experience ever. They also gave a decent amount towards my trade in. Nobody near the beach came close to what they gave me.

  • Does recommend this dealer
  • Shopped for a new car
  • Did make a purchase

Overall Facilities N/A

Customer Service N/A

Buying Process N/A

Quality of Repair N/A

Maximum rating = 5

About Dieffenbach GM Superstore

Our sales department has one purpose: to exceed your expectations from test drive to delivery. Our professional sales team is committed to a no-pressure high integrity approach to your ownership experience. Our goal is for you to feel that the vehicle you drive away in is the perfect one for you.

Our service department offers the best in automotive service to our customers. Our state-of-the-art facility features the most current diagnostic and repair equipment available and our highly skilled factory-trained technicians will deliver efficient quality vehicle care.

Ready to buy? Get a price quote before visiting the dealership.

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  • No cost, no-hassle negotiation
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