Out of the factory a dc5 needs several mods to be on par, handling wise, with an ek9 (and even a dc2).
For daily use it's more modern and easy to live with.
With simple bolts on you're looking at ~230 and with a kpro & tune, it's possible to get ~260 depending on the tuner.
Having owned a...
The Skyline owner looks like he was trying to invite the bike to race. 6 months in jail though is a bit harsh if it was his first offence but if he was a repeat offender it would make sense