Ask a Service Expert in Washington, MO

Getting straight answers about your vehicle should be easy, and that's exactly what our team delivers. As a family-owned Modern Auto Company dealership serving drivers since 1919, we put a real service expert in your corner so you always know what your car needs and why. Whenever a warning light comes on or a maintenance question pops up, our factory-trained staff is here to guide you.

Mechanic working on a car tire.

Meet Our Service Manager, Nick Quennoz

When you need trusted advice, our Service Manager Nick Quennoz and his team are ready to help. Nick oversees a crew of factory-trained technicians who know GMC, Buick and Chevy vehicles inside and out, so the answers below are backed by real hands-on expertise. Stop by our GMC service center in Washington or reach out with any question about keeping your vehicle running its best.

Expert Maintenance & GM Repair Near Union

From routine oil changes to more involved repairs, our team handles it all with genuine GM parts built specifically for your model. Drivers near Union count on us for repairs done right the first time, and we back every visit with the kind of guidance only a certified dealership can provide. Need a specific component? You can even order parts directly through our team.

Assortment of car parts including brake discs, filters, radiator, and suspension components.
Mechanic inspecting car exhaust on lift with clipboard

Service Built Around Your Schedule

We know your time is valuable, so we make staying mobile simple with loaner cars, a complimentary shuttle service and pickup and delivery within city limits for auto repairs. Dropping off before work or picking up on your way home? We work around your day. Our four-bay commercial medium-duty facility also means larger and specialized vehicles get the focused attention they deserve.

Contact Us