Originally Posted by 
ozscott
				 
			Yep but my point is you can only go up 50mm in QLD from the tyre placard size of your vehicle. It's speculation as to what they will do but usually a manufacturer will change rim diameter for various reasons (looks, brake sizes, handling) but retain the same OD in all rims by reducing tyre profile as the rim sizes increase. If they do a 20 inch with half decent sidewall then they would probably do an 18 inch further down the range that has the same OD but bugger sidewall.
Cheers