Is Synthetic Oil Worth It If You Tow With Your GMC? For most newer vehicles, yes. Synthetic oil is worth it, and many newer engines call for it. If you pull a boat, camper or work trailer with your Sierra or Yukon, your engine oil is working harder than you might think. Here's what our Hammond service team wants you to know. Towing, heat and your oil Towing adds load, and load adds heat. In south Louisiana summers, that heat builds fast. Synthetic oil holds up better under those conditions and resists breaking down. Some owner's manuals also list a separate maintenance schedule for heavy use like towing, so it's worth checking which one applies to you. Why synthetic oil is worth it It holds up in high heat. Synthetic oil resists breaking down when your engine runs hot, which matters in south Louisiana summers. It flows easily at startup. It helps protect engine parts in the first few seconds after you start the car. It helps most under hard use. Towing, stop-and-go traffic and turbocharged engines all make your oil work harder. What to do Check your owner's manual for the oil viscosity and specification your engine calls for. Follow your oil life monitor if your vehicle has one, and don't go past it. Ask our service team if you're not sure which oil is right for your vehicle. Frequently asked questions Should I change my oil sooner if I tow? Follow your oil life monitor, which accounts for how you drive, and check your owner's manual for any severe-service or towing schedule. Our service team can help you read it. Is synthetic oil worth it for a Sierra? Many newer GMC engines call for a specific oil that meets GM's specification. If you tow or haul, synthetic's extra protection under heat helps most. Your owner's manual lists the exact oil. Can I use synthetic oil in an older vehicle? In many cases, yes, as long as the oil meets the viscosity and specification in your owner's manual. If you're not sure, ask our service team. Can I switch between conventional and synthetic oil? Generally yes, as long as the oil meets your owner's manual specification. Mixing oils that meet the specification generally won't harm your engine, but you'll get the most benefit from the type your manual recommends. Time for an oil change? Ross Downing GMC · 1301 S. Morrison Blvd. #101, Hammond, LA 70403 Schedule Service Or call (985) 543-6833 This article is general information. Always follow your owner's manual and your technician's recommendations for your specific vehicle.
