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Yes, they will technically fit as the Sport has 235/55R18 and the standard 17" wheel is 225/65R17 but there will be a speed differnce with the size you mentioned. With the new wheel you would be traveling faster than your speedometer reads.

I created a chart below showing the difference between the original tire size (Tire 1) and the new proposed tire size (Tire 2).

Tire 1......Tire 2
20 mph...21.1 mph
30 mph...31.6 mph
40 mph...42.1 mph
50 mph...52.6 mph
60 mph...63.2 mph
70 mph...73.7 mph
80 mph...84.2 mph
90 mph...94.7 mph

Hope this helps.
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