GM Auto Repair Shop in Killeen, Harker Heights, and Fort Hood

Shape Effect | Mayo Autoworks 2

Repair and Service of GM Vehicles

For all GM owners in Killeen and Harker Heights, TX, Mayo Autoworks 2 and Mayo Autoworks 3 is the go-to place for quality service. General Motors, more commonly known as GM, is an American corporation with an international presence. It was founded in 1908 and has been one of the world leaders in vehicle sales. The General Motors Company has 10 different vehicle brands of which the more well-known divisions in the United States are Chevrolet, Buick, GMC, and Cadillac. In 2009, GM declared bankruptcy closing down the Saturn, Pontiac and Hummer divisions.

Regardless of what GM vehicle you purchased, you searched for the vehicle that fit you and your needs the best. The same concept should be applied when looking for an auto shop. Our certified technicians will exceed your expectations because of our thoroughness. Our inspections are designed to ensure that nothing is missed. From routine maintenance to major repairs, our expert and knowledgeable staff stand ready to offer nothing less than the best in customer and car care.

You didn’t settle when you chose your GM vehicle so don’t settle when it comes to choosing a place for its care. Give us a call and set up an appointment for all your repair and service needs.

Mayo Autoworks 2 - Killeen, TX

Mon - Fri 8 AM - 5 PM | Sat 8 AM - 3 PM

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Mayo Autoworks 3 - Harker Heights, TX

Mon - Fri 8 AM - 5 PM | Sat 8 AM - 3 PM

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Rely on the Word of Others

Trusted by your neighbors for honest repairs

Reviews Stars Rating Icon | Mayo Autoworks

5-star Review by W

"Friendly, nice customer service in all areas. I been going to Mayo Auto works for the last four years and they always make me feel at home from start to finish. They even support made a way to get back to my house when my car was in the shop. They mechanical services always been top notch.I recommend anybody to come to Mayo Autoworks."

Reviews Stars Rating Icon | Mayo Autoworks

5-star Review by Stacey Sanders

"Thank you Bridget for your excellent service! Very friendly people with quick turn around and fair prices. Bridget worked with my warranty company who gave us a bit of a hard time but she made sure I was taken care of. Thanks again Bridget!"

GM Repair Nearby

Expert GM Repair and Maintenance in Killeen and Harker Heights

With two convenient locations in Central Texas, Mayo Autoworks 2 in Killeen and Mayo Autoworks 3 in Harker Heights deliver expert-level auto repair, diesel service, and foreign vehicle maintenance backed by ASE, NAPA AutoCare, RepairPal, and Worldpac certifications. Please note: Mayo Autoworks 1, also located in Killeen, is separately owned and operated.


Whether you drive a domestic truck, European import, or heavy-duty diesel, our certified technicians are equipped to serve you with professionalism, transparency, and quality you can trust.


Our Central Texas locations make it easy for drivers in Killeen, Harker Heights, and Fort Hood to access reliable automotive care. From quick oil changes to major transmission work or fleet services, you’ll experience the same high level of integrity, precise diagnostics, and dependable repair quality at both Mayo Autoworks 2 and Mayo Autoworks 3—shops built on decades of local trust.

Areas of Service:

• Killeen

• Harker Heights

• Belton

• Fort Hood

• Nolanville