Mazda recommends a synthetic 0-20 weight oil for this Mazda 3. Love this car’s mileage and good handling. Oil changes will now cost about $75 every 5,000 miles, according to the dealership’s service department. Is there a 0-20 weight, quality conventional oil or are there other alternatives to …

Motor Oil for 2012 Mazda 3 (skyactiv)

FoDaddy January 25, 2013, 7:49am 2

I haven’t seen a 0 weight conventional oil yet. But if you’re willing to do it yourself, you can change the oil with a quality synthetic for around $30 in your driveway.