Give your K2500 Suburban’s engine a little TLC with routine oil changes. Schedule your next appointment today.
Looking for oil change recommendations for your 1985 GMC K2500 Suburban? Turn to Firestone Complete Auto Care! We're experts in more than tires. We know all about motor oil, too. We couldn’t put it better than our technician, Brianna. She likes to explain to customers that, “Oil is the blood of the engine. It’s the #1 thing you can do for your car.”
GMC recommends changing your 1985 K2500 Suburban’s oil at regular intervals. See mileage and month specifics in the above table. No matter the mileage, your K2500 Suburban may need its oil changed ASAP if your check engine light is on, you hear engine knocking, smell oil inside the vehicle, or notice excess vehicle exhaust. You may also need an oil change more frequently than GMC recommends if you haul heavy loads, drive in dusty areas, enjoy off-roading, or go long distances at low speeds. In general, being extra-diligent about oil changes won’t damage your GMC K2500 Suburban. In fact, every oil change is an opportunity to diagnose and treat any other issues, such as bad brakes or a failing battery.
Whether you need high mileage oil, synthetic oil, or conventional oil, you'll find the right 1985 GMC K2500 Suburban motor oil at Firestone Complete Auto Care. GMC has recommendations as to whether conventional or synthetic oil is the ideal engine oil for your 1985 K2500 Suburban. This oil helps lubricate engine parts, regulate engine temperature, and prevent harmful substances from accumulating in the engine. In an oil change service, a technician will change your K2500 Suburban's oil, replace and recycle your used oil and filter, inspect all of your other filters, top-off essential fluids, and perform a free inspection on the rest of your vehicle. You can drive easy knowing that we strive to do what's best for your vehicle and take into account your driving habits, climate,
Wondering what motor oil brands you can find at Firestone Complete Auto Care? Your K2500 Suburban engine deserves the very best, which is why we only stock the best! Talk with a teammate and consult your owner's manual before picking a motor oil. At Firestone Complete Auto Care, you can choose from the following oils: Quaker State® Advanced Durability™ conventional oil, Pennzoil® High Mileage Vehicle® motor oil, Pennzoil Platinum® Full Synthetic motor oil with PurePlus™ Technology, and Shell Rotella® heavy-duty engine oil. There are plenty of motor oils on the market today, so why do we prefer these brands? They are champions. For example, when tested in taxi fleets across North America, Quaker State was shown to provide 2x more protection than the industry standard.  Pennzoil is another option. Pennzoil Synthetics are the most technologically advanced, fully formulated motor oils available and exceed current industry and manufacturer requirements. But don't forget about Shell Rotella for heavy-duty engines. It's specifically designed for diesel and gasoline engines that need to withstand rugged conditions, and is uniquely fortified to offer increased wear protection, heightened performance in extreme temperatures, and improved oxidation resistance. For help picking the correct motor oil for your 1985 GMC K2500 Suburban, refer to GMC's recommendations first.
The next time your GMC K2500 Suburban needs an oil change, you know where to turn. Your nearest Firestone Complete Auto Care has the ideal oil for your K2500 Suburban’s engine. We’ll take care of you and your car at your convenience, with the right motor oil at the right price. Call ahead to find out how much oil changes cost for 1985 GMC K2500 Suburbans. Get professional engine care by making an oil change appointment for your K2500 Suburban today. Many stores offer extended and weekend openings for your convenience.
 ILSAC GF-5 represents the latest performance standard set by the International Lubricant Standardization and Approval Committee (ILSAC), a joint effort of U.S. and Japanese automobile manufacturers. Most automobile manufacturers are expected to recommend oils that meet ILSAC GF-5. API SN is the most recent service category issued by API’s Lubricants Group. Oils meeting API SN and the new “Resource Conserving” designation meet all ILSAC GF-5 performance requirements.