Most contemporary cars specify a viscosity (i.e. 0W-20, 0W-16, etc.) that can only be satisfied by a synthetic or synthetic blend. Even my 2011 specifies 0W-20. You can, of course, disregard the manufacturer's recommendation. If you are changing the oil yourself, the price difference between synthetic and conventional oil is generally pretty small. If you are going to a shop, the difference, as you pointed out, can be significant.
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Originally Posted by J1ceasar
Walmart is the cheapest. The regular oil is going to be about 30 to $50 cheaper than synthetic. My opinion is that it's out of warranty I just got cheap and it seems to be fine as I don't do high mileage only about 5,000 miles a year. You can also call Sumter or look for specials in those little coupon books or go on Groupon.com, I hope this helps
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