That's because you've got two simular powered cars,cossie4i on 2wd and the sapp on 4wd,no contest,the 4wd has around 20% transmission loss.So power at the wheels the 2wd wins hands down,flywheel figures are guestimate,power at the wheels is the important figure which people never seem to realise.
My apologies Moonstone Steve but the facts speak for themselves..lol.
Cossie4i,you owe me son.

Thanks.Lee.