About Tustin Buick GMC Commercial
Welcome to the commercial department at Tustin Buick GMC. Located centrally in Tustin, CA, we are a team of locals who understand that in Orange County, business moves fast. We are here to make sure your fleet keeps up. Whether you are a general contractor, an electrician, or a luxury transport provider, we work hard to be the partner you can rely on for your vehicle requirements.
Work-Ready GMC Inventory
We maintain a stocked inventory of GMC commercial vehicles designed to go straight to the job site, including:
- Upfitted Cargo Vans: Organized storage solutions for tradespeople.
- Service Trucks: Ready for heavy lifting and equipment hauling.
- Work-Ready Pickups: The daily drivers that keep your crew mobile.
- Livery Inventory: Specialized vehicles for the transportation and hospitality industries.
Service & Parts That Respect Your Time
Our commercial service and parts department operates with urgency. We have technicians who specialize in GMC commercial systems, ensuring diagnostics and repairs are done correctly. We use genuine parts to keep your warranty intact and your vehicle running smoothly on California roads.
Commercial Financing Made Simple
Our commercial financing team understands lines of credit, fleet structuring, and business leases. We sit down with you to look at the numbers and find a funding solution that makes sense for your budget, stripping away the complexity so you can get back to work.
| Sales Hours | |
|---|---|
| Mon-Friday | 9:00am - 9:00pm |
| Saturday | 9:00am - 9:00pm |
| Sunday | 10:00am - 8:00pm |
| Fleet Sales Hours | |
|---|---|
| Mon-Friday | 9:00am - 5:00pm |
| Saturday | Closed |
| Sunday | Closed |
| Service Hours | |
|---|---|
| Mon-Friday | 7:00am - 6:00pm |
| Saturday | 8:00am - 3:00pm |
| Sunday | Closed |
Meet the Faces at Tustin GMC:
Michael Cross
Commercial Fleet Sales Director
Michael Cross brings nearly two decades of automotive industry experience to his role as Fleet Director at Tustin Buick GMC, combining dealership leadership with sophisticated fleet strategy development. Known for his analytical approach to fleet management, Michael is committed to delivering best-in-class service and solutions that help your business succeed.
Ryan Gestwicki
Commercial Fleet Sales Manager
Ryan Gestwicki is an automotive and commercial fleet industry veteran with 15+ years of experience. In his role as Commercial Sales Manager at Tustin Buick GMC; he focuses on serving municipalities, local small businesses and national corporations. Known for bridging strategy with the unique needs of business and government clients, Ryan is dedicated to delivering tailored fleet solutions while building long-term partner relationships.