Button's F1 'in car' lap at Bathurst

Hope this is not a repost and I know it may be in a McLaren, but wow it is fast

http://rumors.automobilemag.com/jenson-button-craig-lowndes-swap-cars-mount-panorama-australia-race-track-36775.html

 

300kph + I would guess, although Jenson did say it took a bit of getting used to the camber of the road on the straights......they are after all, what were just country roads, albeit resurfaced for smoother racing now, but still every day roads.