Don't Evo owners test their cars with Race logic performance box or similar?. GTR forum has a sticky thread of 0-60 & 0-100 times for GTRs of different spec.
Astra VXR - tuned to 300bhp Sold
Focus ST 3 - Standard Sold
Evo X FQ300 GSR tuned to 400/400 Sold
Black 800bhp & 657 ftlbs R35 GTR & Blue Evo X FQ400 in the garage