What oil do you use in a vectra 1.8 petrol 08 plate?

For a Vectra 1.8 petrol from 2008, it's recommended to use a fully synthetic motor oil with a viscosity rating of 5W-30 or 10W-40, depending on your climate and driving conditions. Always check the owner's manual for the specific oil specifications and any required approvals, such as GM's Dexos2. Make sure to choose a reputable brand to ensure optimal engine performance and protection.