Synthetic Oil Change 30pt Safety & Balance Tires · $109.99
Details: Synthetic Motor Oil Choices (0-20W, 5-20W, 5-30W)

Promotion ... [More] Excludes any other desired Motor Oil (i.e. 5-40W, 10-30W, 15-40W, etc.). Promotion Excludes Cartridge Oil Filters & Excludes Diesel Engines. If tires are not desired to be balanced; $89.99 for Synthetic Motor Oil Change following the same previously mentioned policies (Not including Taxes & Fees).


Offer Expires 12/31/2020 ... [Hide]
Conventional Oil Change 30 pt Safety & Balance Tires · $79.99
Details: Conventional Motor Oil Choices (0-20W, 5-20W, 5-30W)

Promotion Excludes ... [More] any other desired Motor Oil (i.e. 5-40W, 10-30W, 15-40W, etc.). Promotion Excludes Cartridge Oil Filters & Excludes Diesel Engines. If tires are not desired to be balanced; $49.99 for Synthetic Motor Oil Change following the same previously mentioned policies (Not including Taxes & Fees).


Offer Expires 12/31/2020 ... [Hide]
Free Diagnostic!
Details: General automotive repairs must be authorized for free Diagnostic

[Exclusions ... [More] may apply; (1) If diagnostic takes 3 hours of labor, (2) Repairs must be completed at Cornerstone Automotive, (3) Repairs must follow our warranty policies, & (4) If diagnostics paid, as in to say, the repairs were denied when Diagnostic fee waive offered, the $115 is non-refundable & will not be taken off the repairs at a different time]


Offer Expires 12/31/2020 ... [Hide]
GMC Service and Repair | Cornerstone AutomotiveGMC Yukon Denali 1 by David Guo , used under CC BY 2.0

Service and Repair of GMC Vehicles

GMC is an American division of General Motors (GM) that primarily focuses on trucks and utility vehicles. GMC is a name you trust, and strength and reliability are just two of the reasons why you chose a GMC automobile. But even the most reliable of vehicles need service from time to time. Your life depends on the hard work your vehicle does; and when your GMC needs service, you need the help of a mechanic you can trust. Whether your GMC is an SUV, a truck, a van, or a utility vehicle, our shop offers you the best GMC service and maintenance in the area.

Our certified technicians understand the value of a hardworking automobile. We offer thorough, quality service that gets your vehicle back to work as quickly as possible. Unlike some shops, we don’t just focus on the mechanical aspects of service.

From the moment you walk through our door until you drive away satisfied, we offer top notch care for customers as well as their vehicles. Our mechanics are happy to share their expertise by answering any of your questions, and we strive to offer a superior customer experience. Whether you need routine maintenance or major repairs, we stand ready to offer the best GMC care to you and your vehicle.

Call the mechanics you trust to service the brand you trust. Call or stop in to schedule an appointment and give your GMC the service it deserves.

If You Are Using A Screen Reader And Are Having Problems Using This Website, please call Cornerstone Automotive (760) 757-9615 For Assistance.