Stay Ahead of Trouble

Book vehicle diagnostics and car maintenance in Southwest Missouri

Don't wait for a small issue to become a major repair. At Miller Unlimited, we offer precise vehicle diagnostics and ongoing car maintenance for drivers throughout Springfield, Nixa, Republic and surrounding areas. Whether you're hearing a strange noise or your dashboard lights won't shut off, our team can find the issue fast before it leads to bigger problems.


Our full diagnostics service includes a thorough scan of your vehicle's systems for a flat $100 fee. From there, we handle most car maintenance tasks on-site, excluding electric or diesel vehicles. At Miller Unlimited, we make it easy to stay safe, stay running, and stay in control.


Call now to schedule diagnostics or routine maintenance services.

A white truck is sitting on a jack in a garage.

Comprehensive services without the dealership markup

Here's what we offer to keep your car in excellent condition:


  • Vehicle diagnostics - Identify issues early with our complete $100 scan
  • Fluid checks and changes - Maintain cooling, braking, and steering systems
  • Brake and suspension inspections - Stay safe with solid stopping power and smooth handling
  • Battery testing and replacement - Avoid dead starts and unexpected stalls
  • Routine maintenance - Keep your car road-ready with regularly scheduled service


Whether you live in Springfield, Nixa, Republic and surrounding areas, you can expect honest, efficient car maintenance and vehicle diagnostics services.