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Sun Auto Service San Antonio
Sun Auto Service San Antonio
11823 W Ave San Antonio, TX 78216
Tuesday 8:00am - 6:00pm
Wednesday 8:00am - 6:00pm
Thursday 8:00am - 6:00pm
Friday 8:00am - 6:00pm
Saturday 8:00am - 5:00pm
Sunday Closed
Monday Closed
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About Us

Our Services

Keep your vehicle in peak condition with the experts at Sun Auto Service. Conveniently located in San Antonio, we provide a full spectrum of auto repair in San Antonio for all makes and models. Our ASE-certified car mechanic specialists focus on delivering reliable results for everything from engine diagnostics to brake and transmission repairs. We stand behind our expertise with a national warranty that guarantees your vehicle's reliability on every journey. Our commitment to professional care is reflected in the following specialized maintenance and repair solutions.

Sun Auto Tire & Service San Antonio | 11823 W Ave

Heavy traffic and diverse road conditions in San Antonio can take a significant toll on your vehicle over time. High pavement temperatures and frequent stop-and-go driving are notorious for wearing out brake pads and straining your cooling system. Sun Auto Service understands the importance of keeping your car in top shape to handle these local conditions with total confidence. Our shop is the premier local destination for a skilled car mechanic and professional auto repair in San Antonio focused on your safety and vehicle reliability.

Our ASE-certified technicians specialize in oil changes, brake repairs, tire rotations, and wheel alignments. We are equipped to handle everything from air conditioning service to complex engine repairs, ensuring that your vehicle receives expert care every time you visit. We also carry a wide range of tires from trusted brands like Michelin and Goodyear, ensuring you find the perfect fit for your driving style and safety needs. Plus, our same-day service on many repairs and complimentary towing for major issues mean you can count on us to get you back on the road quickly and without unnecessary stress.

Located at 11823 W Ave, near the intersection with Blanco Road, we are just minutes from North Star Mall and the San Antonio International Airport. We serve the San Antonio community and surrounding areas with a focus on quality workmanship and the protection of a national warranty. As part of the Sun Auto Network, we combine local expertise with national support to offer the best car care experience in the region. To keep your vehicle road-ready through every season, our team is proud to offer the following specialized maintenance and repair solutions.

Auto Service Deals &
Tire Savings

Auto Maintenance

$15 OFF

ANY OIL CHANGE

ANY OIL CHANGE

Offer expires 06/06/26

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Auto Maintenance

Auto Repair

Auto Maintenance

Auto Maintenance

FREE

DIGITAL VEHICLE INSPECTION

DIGITAL VEHICLE INSPECTION

Offer expires 06/06/26

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Auto Maintenance

$15 OFF

ANY OIL CHANGE

ANY OIL CHANGE

Offer expires 06/06/26

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Auto Maintenance

Auto Maintenance

FREE

A/C SERVICE

A/C SERVICE

Offer expires 06/06/26

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Auto Maintenance

$60 OFF

WHEEL ALIGNMENT

WHEEL ALIGNMENT

Offer expires 06/06/26

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Auto Maintenance

Auto Maintenance

$25 OFF

ANY FLUSH SERVICE

ANY FLUSH SERVICE

Offer expires 06/06/26

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Auto Maintenance

Auto Maintenance

$25 OFF

ANY RECOMMENDED SERVICE

ANY RECOMMENDED SERVICE

Offer expires 06/06/26

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Auto Maintenance

FREE

VISUAL BRAKE INSPECTION

VISUAL BRAKE INSPECTION

Offer expires 06/06/26

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Auto Maintenance

FREE

CHECK ENGINE LIGHT REVIEW

CHECK ENGINE LIGHT REVIEW

Offer expires 06/06/26

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Auto Maintenance

FREE

FLUID LEVEL CHECK

FLUID LEVEL CHECK

Offer expires 06/06/26

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Auto Maintenance

FREE

PRE-TRIP SAFETY CHECK

PRE-TRIP SAFETY CHECK

Offer expires 06/06/26

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Auto Maintenance

FREE

TIRE & PRESSURE CHECK

TIRE & PRESSURE CHECK

Offer expires 06/06/26

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Auto Maintenance

FREE

BATTERY CHECK

BATTERY CHECK

Offer expires 06/06/26

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Auto Maintenance

FREE

DIGITAL VEHICLE INSPECTION

DIGITAL VEHICLE INSPECTION

Offer expires 06/06/26

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Auto Repair

$50 OFF

ANY PURCHASE OVER $300

ANY PURCHASE OVER $300

Offer expires 06/06/26

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Auto Repair

$100 OFF

ANY PURCHASE OVER $600

ANY PURCHASE OVER $600

Offer expires 06/06/26

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Auto Repair

Auto Repair

UP TO $120 OFF

BRAKE SERVICE

BRAKE SERVICE

Offer expires 06/06/26

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Tires

Tires

Tires

Tires

Tires

Tires

Tires

$80 OFF

BFGOODRICH TIRES

BFGOODRICH TIRES

Offer expires 05/23/26

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Tires

$80 OFF

ANY MICHELIN TIRES

ANY MICHELIN TIRES

Offer expires 05/23/26

View Details

Customer Feedback in San Antonio

Read reviews from satisfied customers who trust Sun Auto Tire & Service for reliable car repair, quality auto service, and expert vehicle maintenance.

Still have questions? We’ve got answers.

We've put together the most important information on tires, vehicle maintenance, repairs, warranties, and more to help you drive with confidence.

Test FAQ

The best way to keep your car battery lasting longest is with preventative maintenance. A knowledgeable technician can check your car’s voltage, tighten fasteners, clean the battery, and apply anti-corrosion dielectric gel. Also, if you can, you should try to avoid frequent short trips. The repeated start, stop, start cycle can drain your battery’s cranking power. Other things to be mindful of include not leaving lights on or accessories plugged in and minimizing using any power when the vehicle is off.

How often should I service my vehicle?

You should service your vehicle every 5,000 to 7,500 miles or every 6 months, whichever comes first, for routine maintenance like oil changes and inspections. Always check your owner’s manual, as some vehicles and driving conditions may require more frequent attention to keep everything running smoothly and safely.

How do I know what services to perform on my vehicle and when?

Any of our friendly, neighborhood locations can help you determine the schedule that’s best for your car. In many cases, the maintenance schedule is determined by the manufacturer for optimal service life for your vehicle; this can be found in the owner’s manual.

Do I need an appointment, or can I walk in?

Appointments are recommended, but walk-ins are always welcome.

Will I get an estimate before work begins?

Absolutely. We provide clear estimates and only complete the work you approve.

Why is my check engine light on?

It could be something simple or serious. We recommend a diagnostic scan to find the cause.

How do I know when my next oil change is due?

After each oil change at TEST-PROD, our technician will place a reminder sticker in the upper left-hand corner of your windshield. For added convenience, we can also send you a service reminder when it’s time for your next appointment. To enroll in this program, ask your Service Advisor for details.”

Is my warranty voided if I get non-dealer work done?

No. In fact, it is against the law for a manufacturer to dishonor their warranty just because the vehicle was serviced elsewhere. As long as the service is performed by capable car mechanics like the ones at your friendly neighborhood TEST-PROD, your warranty is valid.