KB Automotive Repair / CARMAX Repair Shop

8822 E 8th St

8782 E 8th St

8786 E 8th St

8760 E 8th St

8764 E 8th St

At Loyal Performance Auto, we provide honest, reliable, and high-quality auto repair services you can trust. As locals from the Upland and Rancho Cucamonga area, we’re proud to serve our community with integrity and care. We offer free diagnostics and specialize in engine and transmission repair, brakes, suspension, electrical work, and routine maintenance — with a strong focus on German and Asian import vehicles including BMW, Mercedes-Benz, Audi, Porsche, Toyota, Honda, Nissan, and more. With over 10+ years of mechanical experience, our goal is to keep your vehicle safe and running at its best without unnecessary upsells. We take pride in transparency, fair pricing, and fast turnaround times. Call, text, or stop by today.

8747 Vineyard Ave Ste 180

Welcome to Advanced Auto Tech, Rancho Cucamonga's trusted dealer alternative for auto repair. Family-owned and operated, we provide honest, reliable car repair and maintenance services, from oil changes and brake services to complex engine diagnostics. Our 30+ year experienced technicians specialize in all makes and models, domestic and foreign. We pride ourselves on transparent communication, ensuring you understand exactly what your vehicle needs to get back on the road safely. Serving the Inland Empire area with quality service you can trust. Book your appointment or walk in today and experience the difference of personalized automotive care!