Frequently Asked Questions

Why is an oil change important for a 2016 GMC Sierra 3500HD?

• Maintains engine lubrication to reduce wear on the 6.0L V8 components and preserve horsepower and torque over time.
• Removes contaminants and sludge that build up from flex-fuel use and heavy-duty operation, protecting injectors and valves.
• Helps manage engine temperature and improve fuel efficiency, which is key for a vehicle with 11 city / 15 highway MPG.
• Preserves resale value and curb weight performance metrics by preventing premature engine damage.
• When performed at our certified dealership, service uses OEM-recommended oil and filters and keeps factory warranties valid; any warranty-covered repairs must be done at a certified dealership to remain protected.

How long does an 2016 GMC Sierra 3500HD oil change take?

• Typical oil change service takes about 45–60 minutes under normal conditions.
• Allow up to 90 minutes during busy periods or when additional inspections or recommended maintenance items are added.
• Our factory-trained technicians perform a multi-point inspection while your oil is changed, identifying potential issues early to save you time and money down the road.
• We maintain clear communication about timing and any required follow-up; scheduling online at our service specials page can reduce wait time: https://www.cogginbuickgmc.com/specials/service.htm

How much does an oil change cost for a 2016 GMC Sierra 3500HD?

• Costs vary based on oil type and quantity; the 6.0L V8 typically requires about 8 quarts of oil, so a full oil-and-filter service will reflect that volume.
• Typical full-service ranges are competitive and transparent; our dealership often costs less than independent shops while offering a higher level of service and factory-trained technicians.
• Choosing the dealership delivers immediate savings through accurate service, proper fluids, and fewer follow-up repairs—plus long-term savings by protecting the engine and warranty coverage.
• Remember: any repairs covered under warranty must be performed at a certified dealership to preserve coverage, so servicing here avoids costly warranty problems later.
• Check current offers and service coupons before booking at: https://www.cogginbuickgmc.com/specials/service.htm

How often should you get an oil change for a 2016 GMC Sierra 3500HD?

• Follow the owner's manual for the manufacturer-recommended interval; general guidance is every 5,000–7,500 miles for typical driving and more frequently under heavy towing or severe conditions.
• If you frequently tow or haul with the Sierra 3500HD, schedule service at shorter intervals to protect the engine and transmission systems.
• Seasonal checks and regular inspections at our dealership help catch wear early and maintain performance and towing capability up to 14,500 lbs.
• Using our service history tracking keeps maintenance updated and can help sustain vehicle value when you trade or sell: https://www.cogginbuickgmc.com/sell-your-car-online.htm

What type of oil does a 2016 GMC Sierra 3500HD take?

• We recommend using OEM-approved oils that meet GM specifications—typically a high-quality 5W-30 full synthetic or manufacturer-approved synthetic blend for the 6.0L flex-fuel V8.
• Factory-trained technicians at our dealership use only approved oils and filters to ensure optimal performance and to protect emissions systems and fuel compatibility.
• Using the correct oil at a certified dealership helps preserve warranty coverage; any warranty repairs must be performed at a certified dealership.
• If you have specific driving conditions (towing, extended idling, extreme heat), our technicians will advise the best oil choice for longevity and efficiency.

How much oil does a 2016 GMC Sierra 3500HD need?

• The 6.0L V8 engine typically requires about 8 quarts (including the oil filter) for a full drain-and-fill service.
• Exact capacity can vary slightly; our technicians confirm precise capacity during service and fill to the correct level to protect engine seals and performance.
• Using the correct volume of OEM-recommended oil helps maintain horsepower and torque characteristics and prevents over- or under-filling issues.
• Having the work done at our certified dealership ensures accurate service records and preserves any applicable warranties—warranty-covered repairs must be completed at a certified dealership.