What type of oil does a renault laguna take, is it the same for all types?

I ask this because my bf has a renault laguna and he doesnt quite know which oil to buy or get.What type of oil does a renault laguna take, is it the same for all types?
Any good quality synthetic muligrade oil (i.e. 20-50W Mobil 1) will be fine for both petrol and desiel Renaults. If you live in a very cold climate you may need a less viscous oil (i.e. 5-35W). Your local auto-parts store should be able to advise about this , take their advice about the grade of oil (the W rating numbers that indicate the thickness of the oil) but don't let them try to sell you an expensive oil as all synthetic oils are similar and there is very little to gain from buying a dearer brand of oil. in fact many cheaper oils are identical to the name brands and are simply re-labeledWhat type of oil does a renault laguna take, is it the same for all types?
what type of cyinder do you have is it a 4cyd 6cyd or is it a 8cyd usally your best bet would contact Murry's Auto-Parts Store and ask that question to them.