Big Star Buick GMC FAQ

Big Star Buick GMC is at 4411 East Freeway, Baytown, TX 77521.

Yes. Big Star Buick GMC is part of Ken Garff Automotive Group, a family business that started selling cars in 1932 in Utah. Ken Garff today operates about 70 dealerships across nine states and more than 26 brands.

Big Star Buick GMC is part of Ken Garff Automotive Group, which owns Big Star CJDR, Texan CJDR, Big Star Ford, Texan GMC, Big Star Honda, Big Star Hyundai, and Big Star Cadillac.

We put people first. Our favorite three words are “We Hear You,” and our team follows the R.I.G.H.T. values: Above Anything Else, Do The Right Thing, One Step at a Time, Actions Speak Louder, and Stronger Together.

Our Sales Department is open Monday through Saturday from 9:00 AM to 8:00 PM. We are closed Sunday.

Service is open Monday through Friday from 7:00 AM to 6:00 PM and Saturday from 7:00 AM to 2:00 PM. We are closed Sunday.

Parts is open Monday through Friday from 7:00 AM to 6:00 PM and Saturday from 7:00 AM to 2:00 PM. We are closed Sunday.

No. All departments are closed on Sundays.

Sales: (281) 245-0298. Service: (800) 490-5593. Parts: (281) 301-1138. Main line: (281) 424-6500.

We carry the Buick Encore GX, Envista, Envision, and Enclave. Browse new Buick inventory.

We carry the GMC Terrain, Acadia, Yukon, Yukon XL, Canyon, Sierra 1500, and Sierra HD. For electric, we carry the Sierra EV and the HUMMER EV Pickup and SUV. For commercial and passenger vans, we carry the Savana in Cargo, Passenger, and Cutaway configurations. Browse new GMC inventory.

Yes. We sell the GMC Sierra EV, HUMMER EV Pickup, and HUMMER EV SUV. See our EV and hybrid page.

Yes. We have side-by-side comparison pages, including the Sierra EV vs. Cybertruck, Ford Lightning, and Rivian R1T, and the Buick Enclave vs. Acura MDX and Infiniti QX60. GMC comparisons | Buick comparisons.

Offers change monthly and have eligibility requirements and expiration dates. See current new vehicle specials, pre-owned specials, and service offers.

Yes. Every Ken Garff Certified Pre-Owned vehicle passes a 118-point inspection and includes a limited warranty, roadside assistance, and additional perks. Shop certified vehicles.

Big Star Buick GMC sells all brands of used vehicles, not just Buick and GMC. Search used inventory.

Yes. Inventory changes often, so check our used vehicles under $20K page for current options.

Yes. You can get an online trade-in value before you visit.

Yes. Submit your vehicle's information online and you'll receive a real offer that's good for 7 days. You get paid fast, and you don't need to buy a vehicle from us. Sell to us.

Yes. Our finance team can help with financing on new and pre-owned vehicles. Visit our Finance Center.

Yes. Apply for financing online.

Yes. Use our payment calculator.

Yes. You can buy or lease your next vehicle online and finish with our team. Learn more about buying online.

Yes. See our service financing page.

Yes. Learn about vehicle protection.

Schedule service online or call our Service Department at (800) 490-5593 during business hours.

Big Star Buick GMC services nearly all makes and models. Some specialty highline makes and models are exceptions. Call (800) 490-5593 before you schedule if you'd like to confirm your vehicle can be serviced.

AdvantageCare is a prepaid maintenance plan that covers three oil changes, tire rotations, and car washes. You can save up to 45% by purchasing an AdvantageCare plan instead of paying for each service individually. Learn more about AdvantageCare.

Big Star Buick GMC offers collision repair using GM Original Equipment parts and OEM repair procedures to help restore your vehicle to its pre-collision condition. Call (800) 490-5593 to schedule. Learn more about collision service.

We use GM Genuine Parts and ACDelco parts, which are designed for your vehicle and help maintain the fit, finish, and safety system integration of the original.

Call (800) 490-5593 to schedule a collision appointment.

Yes. Our parts department supplies GM parts and accessories for Buick and GMC vehicles. Order parts or call (281) 301-1138.

Yes. Use the official Buick Accessories or GMC Accessories portal, set up to route your order to Big Star Buick GMC.

Yes. You can start your purchase or lease online and finish with our team at the dealership. Learn more about buying online.

Yes. Use our Build and Price tool.

An appointment is not needed for a test drive but is recommended, so the vehicle is ready and waiting when you arrive. Call (281) 245-0298.

Bring a valid driver's license and proof of insurance. If you're financing, bring proof of income such as recent pay stubs. If you're trading in, bring your title, registration, and any loan payoff information.

In addition to the vehicle price, expect applicable tax, title, and license fees and our dealer documentation fee of $225. Our team provides an itemized price breakdown before you sign.

Yes. View current openings on the Ken Garff careers site.

Yes. Through the We're Here For You program, we support projects like revitalizing community centers, providing meals and household items for local families, and buying supplies for teachers.

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