The Good thing about japanese car makers going into a euro style may help the car brands such as BMW, Audi, Mercedes pull their finger out,
observe BMW roadster vs Nissan 350z Roadster:
Inline-6 V6
172.3 kw / 231 bhp @ 5900 rpm 208.8 kw / 280 bhp @ 6500 rpm
300 nm / 221.3 ft lbs @ 3500 rpm 352.51 nm / 260.0 ft lbs @ 4500 rpm
77.54 bhp per litre 80.05 bhp per litre
Point proven.