Buick GMC FAQs

The Oil Life Monitoring System uses a software algorithm that evaluates engine revolutions, operating temperatures, idle time, and driving conditions rather than relying solely on mileage. When fluid effectiveness drops, a warning message displays on the instrument cluster. Our professional technicians recommend completing an engine oil and filter change using dexos1 Gen 3 full synthetic oil within 600 miles of the alert or at least once every 12 months.

At 15,000 miles, recommended maintenance includes replacing the cabin air filter to keep environmental dust and pollen out of the passenger HVAC system. Technicians also perform a tire rotation and inspect the steering linkage, suspension bushings, brake hoses, and fuel lines. Keeping up with these preventative checks protects vehicle systems and maintains your factory warranty eligibility.

All-wheel-drive crossovers and four-wheel-drive trucks require periodic inspections of transfer case and differential lubricants. Replacing these gear fluids between 30,000 and 60,000 miles removes microscopic wear particles, prevents seal degradation, and ensures optimal traction during slick winter driving or heavy trailering.

To expedite your vehicle purchase, bring a current driver’s license, your most recent pay stubs or proof of income, a valid auto insurance card, and proof of residence such as a utility bill. If trading in a current vehicle, bring the original title or lien payoff information along with all key fobs. Having these documents ready allows our professional finance team to process your application efficiently.

Genuine OEM parts and accessories installed by authorized dealer technicians carry full warranty protection. Accessories purchased and installed after delivery receive a 12-month/12,000-mile limited warranty or the balance of the New Vehicle Limited Warranty (whichever is longer). Our parts department supplies custom-fit all-weather floor liners, roof racks, trailer hitches, and running boards engineered specifically for your model.

The GMC Sierra 1500 offers four distinct engine options: the TurboMax 2.7L turbo, a 5.3L V8, a 6.2L V8, and the 3.0L Duramax turbo-diesel. When properly equipped with the 3.0L Duramax turbo-diesel engine and the Max Trailering Package, the Sierra 1500 achieves a maximum conventional towing capacity of up to 13,300 pounds.

The standard TurboMax engine delivers 310 horsepower and a best-in-class standard torque rating of 430 lb-ft, providing dependable capability with a towing capacity of up to 9,400 pounds on properly configured models. For drivers who prefer traditional V8 performance, the 5.3L V8 engine produces 355 horsepower and 383 lb-ft of torque, enabling towing ratings over 11,000 pounds. The available 6.2L V8 engine boosts output to 420 horsepower and 460 lb-ft of torque, delivering rapid acceleration and robust hauling strength.

The 3.0L Duramax turbo-diesel inline-six engine generates 305 horsepower and 495 lb-ft of low-rpm torque while paired with a smooth ten-speed automatic transmission. This diesel powertrain delivers exceptional efficiency alongside its maximum 13,300-pound towing capability, making it an ideal choice for hauling heavy travel trailers or work equipment over long highway distances.