My cousin is looking into buying as above a Diesel Vauxhall Signum of some type, ive had a quick look and there seems to be a few options 120bhp, 150bhp, v6 diesel.... Anybody got any advice on these, what to look for? which engine is the best all round? .... or anyone had/got one and there experience with them. He did say hes got around 3k to spend so im guessing these will be around 03/04 models?

Any opinions views welcome..

Thanks Guys