Hanford’s Hummer Repair & Smog Check Specialists
Get expert Hummer repairs, maintenance, and emissions testing from Hanford’s trusted auto shop.
Hummer vehicles are built for rugged adventures and off-road capability, demanding top-tier service to maintain their strength and reliability. At GIOS SMOG & AUTO, our ASE-certified technicians have the experience and equipment necessary to handle Hummer models, from the H2 to the H3. We perform everything from routine maintenance and brake repairs to specialized diagnostics and engine work, using high-quality parts that meet or exceed manufacturer standards. Hanford drivers trust us to keep their Hummer running strong, ready for tough terrain or city streets.
Hummer Service & Repair Excellence in Hanford

Smog Checks & Emissions Testing for Hummer
Passing California’s emissions standards is crucial for Hummer owners, especially with larger engines. Our shop offers thorough smog checks and emissions repairs for late-model Hummer vehicles, using specialized equipment for accurate testing. If your Hummer needs work to meet compliance, we provide honest assessments and quick solutions. Hanford’s climate can challenge emissions systems, but regular service at GIOS SMOG & AUTO ensures your Hummer stays clean and legal.
Why Hummer Owners Rely on GIOS SMOG & AUTO
We value transparency, fair pricing, and long-term relationships with our customers. Hummer owners benefit from warranty-backed repairs, a comfortable waiting area, and ongoing technician training. As a family-owned business, we focus on clear communication and personalized care, making every visit stress-free and effective. Trust GIOS SMOG & AUTO to keep your Hummer performing at its peak.
Our Services
Dedicated Hummer Service Solutions
Our certified team delivers personalized care and lasting repairs for your Hummer.
GIOS SMOG & AUTO
421 West 4th Street, Hanford, CA 93230, United States




