Anything under a 1.5 is the lower tax bracket.
That article quotes econmy at 39.2mpg, but surely thats not the case if you're pushing it.
This is a new engine, not a standard 1.4, so hopefully they've designed it to take the extra pressure of super and turbo charging it.
It's like getting decent power out of the rotary engine in the RX8 which is a 1.3l, so has cheap tax, but has a nice amount of power (but apparently fuel economy is rubbish).
It'd be interesting to see what insurance would be like because some companies look purely at the engine size rather than the BHP.
And presumably it'll cost less than the 200BHP Mk5 GTI, so it'll appeal to people with less money and get them a car with good performance but without paying as much.