Service
Auto Service and Repair Department at Union Park Buick GMC in Wilmington
Union Park Buick GMC offers great service for all your vehicles in Wilmington, DE. We have expert technicians to take care of all your needs like oil changes, tire rotations, and brake inspection. We have a well-trained staff that will answer all your queries related to servicing. Bring your vehicles for repairs and maintenance at our Wilmington GMC and Buick service department today. We believe in offering the best facility to our customers. Drivers from Newark can get their vehicles maintained at our GMC and Buick service and auto repair department in Wilmington. We guarantee to deliver the best possible solutions. Drop by our service and auto repair center in Wilmington today or schedule an appointment.
Service Center Quick Links
Nobody Knows Your GMC Like We Do
From the wipers to the wheels, at Union Park Buick GMC of Wilmington, the Certified Service experts know the exact needs of your Union Park Buick GMC car, truck, or SUV. Our GMC Certified Service experts are trained to know every inch of your vehicle and can help you keep it running with the performance you've come to expect from GMC.
Schedule Service
Schedule service and maintenance with our Certified Service experts today.
SCHEDULE SERVICEMulti-Point Vehicle Inspection*
Our GMC Certified Service technicians at Union Park Buick GMC will complete a comprehensive look into your vehicle's tires, wiper blades, fluid levels, brakes, battery and more to keep your vehicle running exceptionally.
LEARN MOREGM Genuine Parts & ACDelco Parts
At Union Park Buick GMC we're your one-stop shop for auto parts. Let us find the right part for your vehicle.
ORDER PARTSService Specials
Tire Price Match Guarantee
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.
Eligible Tire Brands: BFGoodrich, Bridgestone, Continental, Dunlop, Firestone, General, Goodyear, Hankook, Kelly, Michelin, Pirelli, and Uniroyal.
Coupon Code: 201. *Ad, written estimate, or Internet quote for identical tire(s) from a competing tire retailer/installer located within 100 miles of the dealer required during guarantee period for price match. Tire match price must be determined prior to applying a tire manufacturer rebate, if any. At Participating Dealers Only. Offer ends 12/31/2026.
6-Quart ACDelco GM OE dexos®1 Full Synthetic Oil Change on most vehicles*
$94.95
Coupon Code: 204. *Tax and more than 6 quarts of oil extra. Excludes diesel engines and Corvettes. See owner's manual for specific oil grades recommended by vehicle model. Offer ends 5/5/2026
8-Quart ACDelco GM OE dexos®1 Full Synthetic Oil Change on most vehicles*
$124.95
Coupon Code: 224. *Tax and more than 8 quarts of oil extra. 8-quart dexos®R oil change may be required on 2021-2024 6.2L engines, please check with your dealership. Excludes diesel engines and Corvettes. See owner's manual for specific oil grades recommended by vehicle model. Offer ends 5/5/2026
Most ACDelco Gold Front Brake Pads Installed*
24 Months/Unlimited Mile Warranty**
$350.00
Coupon Code: 203. *Installation and rotor inspection included. Turning or replacing rotors, all other services, and tax extra. Excludes enhanced-performance brake pads and some vehicles. **Please see your Dealer to learn more about the warranty part details and qualifications. Offer ends 5/5/2026
ACDelco Silver Front Brake Rotors installed on most cars & small SUVs*
12 Months/Unlimited Mile Warranty**
$249.95
Coupon Code: 214. *Tax extra. Excludes coated rotors, enhanced-performance rotors, medium-duty trucks, and other select vehicles. **Please see your Dealer to learn more about the warranty part details and qualifications. Offer ends 5/5/2026
ACDelco Silver Front Brake Rotors installed on most trucks and full-size SUVs*
12 Months/Unlimited Mile Warranty**
$294.95
Coupon Code: 215. *Tax extra. Excludes coated rotors, enhanced-performance rotors, medium-duty trucks, and other select vehicles. **Please see your Dealer to learn more about the warranty part details and qualifications. Offer ends 5/5/2026
Most ACDelco Gold 30-Mo Batteries Installed*
30-month free-replacement limited warranty**
$219.95
Coupon Code: 207. *Tax extra. Installation extra on some vehicles. **Please see your Dealer to learn more about exclusions and the warranty part details and qualifications. Offer ends 5/5/2026
Most ACDelco Silver Wiper Blades (per pair) Installed*
$59.95
Coupon Code: 255. *Tax extra. Installation extra on some vehicles. Offer ends 5/5/2026
Most ACDelco Gold 36-Mo AGM Batteries Installed*
36-month free-replacement limited warranty**
$329.95
Coupon Code: 279. *Tax extra. Installation extra on some vehicles. **Please see your Dealer to learn more about exclusions and the warranty part details and qualifications. Offer ends 5/5/2026
Most ACDelco GM Original Equipment Engine Air Filters Installed*
$84.95
Coupon Code: 281. *Tax extra. Installation extra on some vehicles. Offer ends 5/5/2026
Lube, Oil & Filter
$119.95
Excludes ACDelco dexos®1 oil, diesel engines, Corvettes and select vehicles. More than 6 quarts of oil and tax extra. See dealer for eligible vehicles and details. Not valid with other offers.
Coupon Code: 16. Diesel and trucks extra.
Tire Rotation
with Complimentary Brake Inspection
$44.95
Check tire pressure & adjust as necessary. Rotate tires and wheels as recommended. Inspect tires & wheels for damage or excessive wear. Plus tax, if applicable. Tire Rotations may not be recommended for all models. Check your owner's manual for details. Not valid with other offers. Coupon valid at vehicle check-in.
Coupon Code: 44.
5-Quart ACDelco GM OE dexos®1 Full Synthetic Oil Change on most vehicles*
$109.95
Coupon Code: 266. *Tax and more than 5 quarts of oil extra. Excludes diesel engines and Corvettes. See owner's manual for specific oil grades recommended by vehicle model. Offer ends 5/5/2026
Front-End Alignment
$134.95
Check steering, suspension and shocks. Set toe-in, camber and caster (where applicable). Check tie-rods and ball joints. Check tire pressure and inspect tires for cuts, damage, and uneven wear. Plus tax, if applicable. Coupon valid at vehicle check-in.
Coupon Code: 41.
1722 Pennsylvania Avenue, Wilmington, DE 19806
FEATURED SERVICES
Multi-Point Vehicle Inspection*
Help keep your vehicle performing at its best with a thorough assessment of vehicle health indicators.
Oil Change
Regular oil changes are vital to your vehicle's function.
Tires
Roll down the road with confidence.
Brakes
For reliable stopping power, brake components must be monitored regularly.
Batteries
Power your next adventure with our latest batteries.
Additional Services
Find more services for your vehicle.
SCHEDULE CERTIFIED SERVICE NEAR YOU
Set up a time for our expert technicians to assess your vehicle.
Schedule ServiceUnion Park Buick GMC
1722 Pennsylvania Avenue, Wilmington, DE 19806
Contact UsHours
| Monday | 7:00AM - 6:00PM |
| Tuesday | 7:00AM - 6:00PM |
| Wednesday | 7:00AM - 6:00PM |
| Thursday | 7:00AM - 6:00PM |
| Friday | 7:00AM - 6:00PM |
| Saturday | 8:00AM - 1:00PM |
| Sunday | Closed |
| Monday | 9:00AM - 8:00PM |
| Tuesday | 9:00AM - 8:00PM |
| Wednesday | 9:00AM - 8:00PM |
| Thursday | 9:00AM - 8:00PM |
| Friday | 9:00AM - 8:00PM |
| Saturday | 9:00AM - 5:00PM |
| Sunday | Closed |
| Monday | 8:00AM - 6:00PM |
| Tuesday | 8:00AM - 6:00PM |
| Wednesday | 8:00AM - 6:00PM |
| Thursday | 8:00AM - 6:00PM |
| Friday | 8:00AM - 6:00PM |
| Saturday | 8:00AM - 1:00PM |
| Sunday | Closed |