Help your 1991 GMC R2500 Suburban run newer, longer with routine oil changes. Schedule your oil change appointment today.
Looking for oil change recommendations for your 1991 GMC R2500 Suburban? Look no further than Firestone Complete Auto Care! Our expertise goes beyond tires. We know the ins and outs of 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 1991 R2500 Suburban’s oil at regular intervals. Check out mileage and month info for your R2500 Suburban in the above table. Your R2500 Suburban may need an oil change right away if your check engine/oil change light is on, you hear knocking sounds coming from the engine, smell oil inside the car, or notice excess vehicle exhaust. You may also need an oil change more frequently than GMC recommends if you haul heavy loads, frequent dusty roads, go off-roading a lot, or go long distances at low speeds. In general, being extra-diligent about oil changes won’t damage your GMC R2500 Suburban. In fact, every oil change is an opportunity to diagnose and treat any other issues, such as bad brakes or a failing battery.
Your local Firestone Complete Auto Care has the right 1991 GMC R2500 Suburban motor oil: either synthetic or conventional. GMC has recommendations as to whether conventional or synthetic oil is the best oil for 1991 GMC R2500 Suburban vehicles. Motor oil reduces friction between engine components, regulate engine temperature, and prevent the build-up of harmful substances within the engine. During your oil change service, a technician will change your R2500 Suburban's oil, replace and recycle the old oil and filter, inspect all of your other filters, top-off important fluids, and visually inspect the rest of the vehicle. You can rest assured knowing that we seek to do what’s best for your R2500 Suburban by considering your driving preferences, climate,
Wondering what motor oil brands you can find at Firestone Complete Auto Care? We stock outstanding motor oils because that's what your engine deserves. Consult GMC's recommendations to select the right 1991 R2500 Suburban oil and talk with a teammate to learn more about our oil options: 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's a reason we carry these motor oil brands. They are champions. For instance, Quaker State was shown to provide 2x more protection than the industry standard when tested in taxi fleets across the country.  Pennzoil is another option. Unlike traditional synthetic motor oils, the Pennzoil Platinum® Full Synthetic line of motor oils with PurePlus® Technology is formulated from pure natural gas, which helps lead to better performance. Then there's Shell Rotella heavy-duty engine oil. It's made for gasoline and diesel engines that need to overcome the strenuous working conditions, and is uniquely fortified to offer increased wear protection, heightened performance in extreme temperatures, and improved oxidation resistance. For help selecting the right motor oil for your 1991 GMC R2500 Suburban, defer to GMC's recommendations.
When it's time for a 1991 GMC R2500 Suburban oil change, you’ll know where to get it. Your nearest Firestone Complete Auto Care has the ideal oil for your R2500 Suburban’s engine. We’ve got convenient appointment times to take care of you, with the right motor oil at the right price. To find out how much a 1991 R2500 Suburban oil change costs, call ahead. Get professional engine care by making an oil change appointment for your R2500 Suburban today. Many stores are open late and on weekends 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.