Sun Auto Tire Opens Plaza Store in St. Robert
The Mesa, Arizona-based dealership expands its central Missouri presence along the Route 66 corridor.
Updated on Nov. 10, 2026 in Car Maintenance
Sun Auto Tire & Service has opened a Plaza Tire Service store in St. Robert, Missouri, expanding its footprint in central Missouri. The location offers a broad inventory of tire brands alongside a full range of vehicle maintenance and repair services.
Why it matters
The opening extends Sun Auto Tire & Service's reach in Missouri, where drivers in the state can access tires and repair work at a location along the Route 66 corridor. It also adds to the company's network following its 2021 acquisition of Plaza Tire Service, a business that has operated for more than 60 years.
Plaza Tire Service has operated for more than 60 years, and Sun Auto Tire & Service acquired it in 2021. The company is ranked among the largest tire dealerships in the U.S. in the 2026 MTD 100, though the report does not detail the new store's sales volume.
The players
Sun Auto Tire & Service
A tire dealership headquartered in Mesa, Arizona, recognized as one of the largest tire dealerships in the United States according to the 2026 MTD 100.
Plaza Tire Service
A Missouri-based tire and auto service chain with more than 60 years of operation, acquired by Sun Auto Tire & Service in 2021.
The details
The St. Robert store carries an extensive inventory of leading tire brands and offers oil changes, brake service, batteries, alignments, and steering and suspension repair. The location sits along Missouri's Route 66 corridor.
Timeline
2021: Sun Auto Tire & Service acquired Plaza Tire Service.
November 10, 2026: The new St. Robert store opening was reported.
Market Landscape
Sun Auto Tire & Service ranks among the largest U.S. tire dealerships in the 2026 MTD 100, and the St. Robert opening extends that network into central Missouri. Adding a longstanding regional brand like Plaza Tire Service through acquisition reflects the consolidation strategy common among national tire dealers seeking regional footholds.
Missouri drivers in the St. Robert area gain a local option for tire purchases and routine services such as oil changes, brake work, and alignments. Consolidating these services at one location can simplify scheduling for drivers who need both tires and repairs.
The takeaway
Drivers who need tires and routine maintenance can often handle both at one shop, which may save time when scheduling service. Comparing the services offered at nearby locations before booking can help match the work to your vehicle's needs.
Further reading
For more on keeping your vehicle in shape, explore Car Maintenance coverage.
Source note: This article includes information reported by Modern Tire Dealer.
