Automobile · Custom Auto Shop

Mills GMC Buick

308 N Kaufman St, Ennis, Texas, 75119

Google Maps Updated: 19 May 2026
Authenticity Score: 92/100
About

This shop is widely praised for its honesty, integrity, and deep mechanical knowledge. Customers consistently highlight Cal and his team's ability to solve complex problems that other shops couldn't handle. While there are a few complaints about pricing and occasional communication issues, the overwhelming majority of feedback is positive, with many loyal customers recommending them for any vehicle needs.

Our Review Process
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Highest rating
16
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We analyze 75 public reviews for Mills GMC Buick using our data models and filter out spam to highlight only authentic feedback.

Performance Scores
Service Quality 95/100
Transparency 92/100
Pro Tip

Cal is the go-to person here; he's very hands-on and will walk you through the diagnosis process step-by-step.

Diesel experts
Custom work
Pros & Cons

✓ What Works Well

  • Honest and trustworthy
  • Deep mechanical knowledge
  • Excellent custom work

✗ Areas to Improve

  • Pricing can be high
  • Occasional communication delays
Frequently Asked Questions
  • Can you work on my diesel?
  • Do you offer financing?
  • How long for a lift kit?
User Feedback

Cal is the best.

They fixed what others couldn't.

Honest and reliable.