Our brethren and sistern hailing from The Emerald Isle use 'tyre'. Also:

Truck: Lorry

Favor: Favour

Color: Colour

Aluminum: Aluminium

Labratory: Laboratory

French Fries: Chips

Chips: Crisps

Cookie: Crumpet (or is it Biscuit?)

Their vocabulary is more interesting than ours, I think.

-Rob