In this weeks Autocar there is an article on petrol engine technology and a comparison between the engines fitted to the following.
Merc C180K (1.8 Supercharged 4 cylinder)
BMW 318i (2.0 Valvetronic 4 cylinder)
Audi A4 FSI (2.0 Direct injection 4 cylinder)
Saab 9-3 1.8T (2.0 Turbo,4 cylinder)
Alfa 156 JTS (2.0 direct injection)
Thought you might be interested in the figures
MB C180,143bhp,80bhp per litre
BMW 318i,143bhp,72bhp per litre
Audi A4FSI,150bhp,75bhp per litre
Saab 9-3 1.8T,150bhp,76 bhp per litre
Alfa 156 JTS,165bhp,84bhp per litre.
1)Alfa 0-60mph 8.5secs
2)Saab 0-60mph 9.3 secs
3)Merc 0-60mph 9.4 secs
4)BMW 0-60mph 9.4 secs
5)Audi 0-60mph 9.9 secs
Alfa also beats all the others on in gear acceleration 30-70mph,50-70mph.
And for good measure the Alfa is £800 cheaper than the Saab,and £2k less than the Germans.
They also said "The Alfa,however is smoother,pokier and responds and sounds better."