Synthetic oils tend to be thinner, and in older cars, this thinner oil can slip past worn-out seals and gaskets. You might also hear weird noises from your engine, like knocking or ticking sounds.

Synthetic oils also have been improved over the years. Then there is what’s called a synthetic blend, which is the material your leisure suit was made out of in 1979, Al.

DEAR CAR TALK: I have a 2015 Nissan Rogue with 30,000 miles on it. I've done all the oil changes as called for. So far, I've always used a synthetic blend oil. At my last oil change, however, they ...

Thanks to its thinner consistency, synthetic oil tends to be better for newer engines and lasts longer than conventional oil — around 10,000 to 15,000 miles, depending on the oil you purchase ...

Ultimately, there’s a lot to consider when it comes to your car’s oil, including the type and viscosity, how often you should have oil changes done, and even how to check the oil properly.

Synthetic oil generally resists breaking down for longer than conventional motor oil (typically 7,500 miles to 10,000 miles, sometimes up to 15,000 miles, as opposed to 3,000 miles to 7,500 miles ...

Citgo Lubricants has introduced Citgard 700 Synthetic Blend 10W-30 CJ-4/SM heavy-duty engine oil. The company said the “advanced synthetic blend “offers improved cold weather cranking ...

So the oil won't break down as easily when your engine works extra hard, be it after a long drive or hours stuck in traffic. And when the weather gets cold, synthetic blends keep flowing smoothly.

Instead of changing your oil every 3,000 to 5,000 miles, many drivers can safely stretch it to 7,500 to 10,000 miles with the right synthetic blend. If budget matters more than absolute ...