Don't think anyone will be as stupid as me. Buy thought I'd mention this. I have always used e5 shell in my vectra vxr. The other day was out and was really low (c.o.l) so I pulled in to morrissons to try there super unleaded. Didn't have none so put a tenners worth of e10 in the car now got a horrible misfire engine management and service light on. Two bottles of redex later and £50 of e5 later car is OK. Plz any vxr owners don't even chance a tenner if desperate. Yes I am a idiot