The Courier-Mail - Motoring - - CARSGUIDE.COM.AU -

main rea­son car­mak­ers are go­ing to larger wheels and tyres is that they look bet­ter be­cause they fill out the guards and leave none of the ugly gaps be­tween tyre and guard. It also in­creases the size of the con­tact patch be­tween tyre and road and that im­proves the han­dling, but that in my mind is a sec­ondary ben­e­fit in the car­mak­ers’ think­ing. The down­side is that low pro­file tyres re­sult in a huge in­crease in the load on the sus­pen­sion of the car, and some sit­u­a­tions can ac­tu­ally cause sub­stan­tial dam­age to the chas­sis of the car. We have in the past had re­ports of the large al­loy wheels fit­ted to BMW X5 SUVs crack­ing, and it’s prob­a­bly be­cause of the load they are be­ing sub­jected to on rough roads.

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