Should you use a synthetic oil for 2001 Ford Explorer sport trac?

Answer 1

You can if you want , as long as the engine is sound , doesn't burn oil or leak oil

I've been using synthetic engine oil in my 1995 Ford Explorer since 2001 , I've noticed

that I get a little bit better gas mileage on the highway which saves on the cost of gas

but my oil changes cost me more money using synthetic oil and when its - 30 / - 40

I think it helps it start easier in the cold