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Sergio's Auto Repair

"Auto Care Done Right—Every Time"

About Us

Sergio's Auto Repair, founded in 2024 and based in Sparta, WI, proudly serves the greater surrounding area with expert auto care. Specializing in transmission repairs, we also offer alignments, tires, engine work, suspension services, and comprehensive trailer repairs. Our skilled team is dedicated to honest service, quality workmanship, and getting you back on the road safely. For reliable repairs and friendly customer care, count on Sergio’s Auto Repair—where your vehicle’s performance is our top priority.

Areas Served

Sparta, WI | Monroe County, WI

What We Offer

Our Services include:

Alignments: Proper wheel alignment helps your vehicle handle better, improves fuel efficiency, and prevents uneven tire wear. Sergio’s Auto Repair provides precise alignment services to keep your vehicle driving straight and smooth.
Transmissions: From transmission diagnostics to repairs and replacements, our team services automatic and manual transmissions to restore performance and reliability. We work to identify issues early and provide solutions that help extend the life of your transmission.
Tires: We offer tire services including inspections, replacements, and recommendations based on your driving needs. Quality tires are essential for safety, traction, and comfort, and we’ll help you choose the right option for your vehicle.
Engines: Whether you’re dealing with performance issues, warning lights, or major engine concerns, Sergio’s Auto Repair provides thorough diagnostics and engine repair services to keep your vehicle running strong and dependable.
Suspensions: A properly functioning suspension system ensures a smooth ride and responsive handling. We inspect and repair suspension components to improve ride comfort, stability, and overall vehicle control.
Trailer Services: Our trailer services help ensure your trailer is safe and road-ready. We handle inspections and repairs to support proper towing performance and dependable operation when you need it most.

Testimonials

On 3/17/2026 Sandra Stalsberg had this to say:
Always available to help me out with my cars. Easy and efficient and also prices are very reasonable compared to other places!

On 10/7/2025 Deborah Hendricks had this to say:
They were professional, proficient and courteous. I was amazed at all the equipment in their shop. I needed a wheel bearing replaced as my ABS and Traction Control had disengaged because it needed replacing. I called yesterday to set up an appointment and they got me in right away this morning and had me back on the road in an hour and.... Their estimate was the best out of the three I inquired about! I learned they've only been open in our area for about a year but I hope they stay. I hope I don't need their services very often but when car trouble arises, they absolutely have my business! Thank you for your speedy affordable service!

Contact Us

Sergio's Auto Repair
1050 Hoeschler Dr Suite 4 Sparta, WI 54656
Phone: (608) 487-1634
Email: quinterogallo.86@gmail.com

Our Hours

Monday: 8:00 AM - 4:00 PM
Tuesday: 8:00 AM - 4:00 PM
Wednesday: 8:00 AM - 4:00 PM
Thursday: 8:00 AM - 4:00 PM
Friday: 8:00 AM - 4:00 PM

FAQ

What auto repair services does Sergio’s Auto Repair offer?

Sergio’s Auto Repair provides complete automotive repair and maintenance services, including diagnostics, engine and transmission repairs, brake services, electrical system repairs, oil changes, wheel bearing replacement, and routine preventive maintenance.

Do you offer diagnostic services for check engine lights?

Yes. The shop uses advanced diagnostic tools to identify the cause of warning lights, performance issues, and other drivability concerns. Once diagnosed, the team explains the issue and recommended repairs before any work begins.

How often should I get my oil changed?

Oil change intervals vary depending on your vehicle and driving habits, but most vehicles need an oil change every 3,000–7,500 miles. Sergio’s Auto Repair uses quality oils and filters that meet manufacturer specifications.