Certified Service

Open Six Days a Week!

Nobody knows your vehicle better than our GM CERTIFIED Technicians

Drive in to our indoor all-weather service drive where you’ll be greeted by our valet service and complimentary Quick-Check Alignment machine. Take a break while you wait and enjoy complimentary manicure services, client lounge with Wi-Fi, TV & refreshment bar.

Save on your next service appointment in Smithtown with King O'Rourke Buick GMC discounts. Take a look at our current service specials, or call us at 631-982-4447 to hear more. King O'Rourke Buick GMC offers expert repairs, maintenance, parts installation and more at our Smithtown auto repair center. Explore our service incentives here, then schedule your appointment online. We look forward to helping you keep your car in peak condition.

"World class dealer, best service! Treated like customers matter! GMC and GM products are priced at a good value. This dealer is trusted by my family for years, proud to own and drive a GMC and know my family is safe in my truck. Keep up the good work!"