Is special high-mileage oil worth the extra price compared to a conventional lubricant? Z. George Zhang, Ph.D. and director of Valvoline Technical International thinks so. He said there are ...

He said there are “distinct differences” compared to regular oils. “Most of the high mileage oil will have a seal conditioner,” he said. “Normally they will have more seal conditioners ...

Nevertheless, searching for the right oil for your car can be daunting and quite confusing. So, we’ve compiled the best high mileage engine oil products in a shortlist. We’ve gone for a full range ...

and “extended life” and “high mileage” conventional oils—may leave you wondering which is the best for your car, even if you’re just getting the oil changed at your local service station.