Serving Rapid City, SD and the Surrounding Areas

RNJ Auto Inc - Logo Auto repair Auto repair Auto repair

Improve your ride with drivetrain services

Is your car, truck or van not driving as smoothly as it should? Visit the experts at RNJ Auto Inc for drivetrain repairs. We'll repair your automatic, manual, diesel and front-wheel drive vehicles.

  • Drivetrain repairs

  • Differentials

  • Transmissions

  • Clutches

Top-notch drivetrain repairs

Now that we have solved your vehicle's drivetrain issues, secure competitive pricing and low labor rates on engine repairs, electrical repairs, and AC and heating repairs.


Our automotive parts are competitively priced, and our Ford and ACDelco products have a manufacturer’s warranty.

Protect your car with proper repairs

Call now for

a FREE estimate.


Ask about our military and senior citizen discounts.