
Has the time come for your next scheduled automotive service? Has your Check Engine light popped on? Maybe the lights are flickering inside your vehicle, indicating a potential issue with your vehicle's battery. Whether it's time for a routine service appointment or you suffer an unexpected part failure, our team of service experts can help you out. With 40 available service stalls and 12 service consultants available to give you a hand, we'll get you back on the road as quickly as possible!
Buick and GMC Services
Our job is to know Buick and GMC vehicles inside and out. However, we don't service only Buick and GMC - no matter what you drive, our South Texas Buick GMC service experts provide maintenance and repair work for all makes and models. Our team is trained to handle basic maintenance needs, but we also handle the more complex repairs - there's nothing we can't handle!


You can take advantage of professional services here at South Texas Buick GMC that include:
- Brake Service
- Oil Changes
- Wheel Alignment
- Battery Replacement
- Check Engine Light Diagnostics
- And Much More!
Why Should You Choose Our Service Center?
You won't find a better service team equipped to handle all issues! The service experts at South Texas Buick GMC understand the needs of your vehicle. We'll diagnose the issue and repair when we need to. We only use the highest quality tools to work on your vehicle, and when we need to replace a part, we'll use genuine OEM options to ensure a longer lifespan. With convenient service center hours, competitive prices on many common service needs, and service pick-up/drop-off, we'll cater to your needs!

Service Offers And Pricing
We offer competitive prices on popular vehicle services like oil changes, brakes and tires.
42-month free-replacement limited warranty**
30-month free-replacement limited warranty**
18-month free-replacement limited warranty**
Installed on most trucks and full-size SUVs
Installed on most cars & small SUVs
24 Months/Unlimited Mile Warranty**
$200 rebate* on the purchase and installation of an eligible GM Genuine Parts Engine, Transmission, or Transfer Case.
Provide us with a better eligible* price at the time of purchase and we'll match it. Find a better price within 30 days of the purchase, and we'll refund the difference.
Schedule Your Service Today
Ready for your service appointment? You can make an appointment online with our scheduling tool, or you can give us a call and set up a time that works for you! We can't wait to help you keep your vehicle in tip-top shape!
How Can We Help?
GET IN TOUCH
Contact Our Service Department
- Service: 956-467-1305
- Monday 7:30 am - 6:00 pm
- Tuesday 7:30 am - 6:00 pm
- Wednesday 7:30 am - 6:00 pm
- Thursday 7:30 am - 6:00 pm
- Friday 7:30 am - 6:00 pm
- Saturday 8:00 am - 3:00 pm
- Sunday Closed
Dealership Hours
- Monday 9:00 am - 8:00 pm
- Tuesday 9:00 am - 8:00 pm
- Wednesday 9:00 am - 8:00 pm
- Thursday 9:00 am - 8:00 pm
- Friday 9:00 am - 8:00 pm
- Saturday 9:00 am - 8:00 pm
- Sunday Closed
Service Dept. Hours
- Monday 7:30 am - 6:00 pm
- Tuesday 7:30 am - 6:00 pm
- Wednesday 7:30 am - 6:00 pm
- Thursday 7:30 am - 6:00 pm
- Friday 7:30 am - 6:00 pm
- Saturday 8:00 am - 3:00 pm
- Sunday Closed
Parts Dept. Hours
- Monday 7:30 am - 6:00 pm
- Tuesday 7:30 am - 6:00 pm
- Wednesday 7:30 am - 6:00 pm
- Thursday 7:30 am - 6:00 pm
- Friday 7:30 am - 6:00 pm
- Saturday 8:00 am - 3:00 pm
- Sunday Closed