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CERTIFIED COLLISION CENTER
ACG Is a GMC Certified Collision Center Across California
Auto Collision Group is a GMC certified collision center with 13 locations throughout California. We specialize in restoring General Motors vehicles including GMC, Chevy, Cadillac, and Buick models to factory specifications. Every GMC repair at ACG uses OEM parts exclusively, backed by our lifetime warranty. Whether your GMC truck needs frame work, aluminum repair, or full body restoration, our GMC certified technicians deliver results that insurance companies and dealerships trust.
Why Choose ACG for Your GMC Collision Repair
GMC owners in California choose ACG because we fight for vehicle owners, not insurance companies. When your GMC needs collision repair, we use only OEM General Motors parts; we never compromise with aftermarket substitutes that void manufacturer warranties. ACG is a GMC certified collision center that guarantees every repair for life. Our aluminum repair expertise handles modern GMC trucks with lightweight composite bodies. We coordinate directly with your insurer while protecting your rights as the vehicle owner. Free 24/7 towing throughout California, free rental assistance, and free online estimates mean zero hassle for GMC owners.
OEM Parts Guarantee: What Sets ACG Apart
Insurance companies push for cheap aftermarket parts to save money. ACG refuses. Every GMC collision repair uses genuine OEM parts sourced directly from General Motors. This protects your GMC’s safety ratings, resale value, and factory warranty. Aftermarket parts fail crash tests at higher rates than OEM components. Our lifetime warranty covers every OEM part we install, meaning if anything fails, we replace it at no cost forever. When ACG is a GMC certified collision center, that certification is backed by General Motors’ own parts and standards. Your GMC deserves factory-quality repair, not compromised alternatives.
GMC Certifications & Multi-Brand Expertise
ACG is a GMC certified collision center with 34+ manufacturer certifications across luxury, domestic, and import brands. This means our technicians repair everything from GMC Sierra trucks to Tesla models to Porsche vehicles using the exact same precision and OEM standards.
General Motors
GMC, Chevrolet, Cadillac, Buick OEM repair
Luxury Import
BMW, Mercedes, Audi, Porsche, Maserati
EV & Emerging
Tesla, Lucid, VinFast, Fisker aluminum repair
We Fight For You. Not The Insurance Company.
ACG is a GMC certified collision center that puts vehicle owners first, not insurance profit margins. Insurance adjusters often deny OEM parts, demand cheap repairs, and try to settle claims below actual damage. We advocate for you. Our estimators document everything. We fight denials. We push back on lowball valuations. We coordinate your rental car, arrange free 24/7 towing anywhere in California, and provide free online estimates before you even call. We work with every major insurer (State Farm, Geico, Allstate, Progressive, Farmers, USAA, AAA, Mercury) without compromising your rights. Your GMC’s safety and value matter more than the insurance company’s bottom line.
ACG GMC Certified Locations Across California
ACG is a GMC certified collision center with 13 locations throughout California, from San Diego County to the Central Valley. No matter where you are in the state, we can tow your GMC for free and get you back on the road. Each location is fully equipped with OEM parts inventory, aluminum repair bays, and certified technicians.
Whittier (Headquarters)
East Los Angeles County
Los Angeles
Central Los Angeles
Gardena (2 locations)
South Los Angeles County
Santa Ana
Orange County
Ontario / Rancho Cucamonga
Inland Empire