Minnesota's temperature swings (–20°F to 95°F) put unique stress on engine oil. Cold starts thicken oil and increase wear; summer heat thins it and reduces protection.
For most modern vehicles in Minnesota, we recommend full synthetic oil changes every 5,000 miles, or 6 months — whichever comes first. Cars that mostly do short trips (under 20 minutes) should change at 3,500 miles since the oil never fully reaches operating temperature.
Use 0W-20 or 5W-30 for our climate unless your manual specifies otherwise. We can show you exactly what your manufacturer requires.
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