There are dozens of brand names out there, however the oil score identified on the container, like 5W30 informs you that this sort of oil could work in both high and low temperatures. The W informs you the winter season rating and the second number informs you the summertime score. Completely synthetic ones are indicated for winter conditions mainly.
Always use the oil modification period carefully! These oils could last just until the moment the manufacturer recommends for them. After that, they will kill your engine slowly. Do not use oil even more than its intended life; your engine may block irreparable.