Canon 70-200 f4 L Lens - IS or Non IS??

[B16JUS]

Hi,

Im looking at the canon 70-200 f4 lens

Im not sure if the IS is worth £400 more ?

Mainly for car shots on track from the side

If its only stabilisation I could buy a nice monopod and still have cash left over

Any advice would be great

[B16JUS]

Thanks for all the comments guys