Tire Size
Equivalent
Diameter
			
			
			More Wheel Sizes 
			14" 
			15" 
			16" 
			17" 
			18" 
			19" 
			20" 
			21" 
			22" 
			23" 
			24" 
			26" 
			 
			
			
			 
			Select a Size to Compare Prices on Available Tires
 
			
		
				
				
				
				
				
			Porsche equips the 2025 718 Boxster with more than one stock tire size. Select each size option to see available tires.
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Eagle Sport All-SeasonAll Season | Ultra High Performance 
235/45R18 Avg. $187.00 
265/45R18 Avg. $273.00 
$100 REBATE
Proxes Sport A/S PlusAll Season | Ultra High Performance 
235/45R18 Avg. $216.00 
265/45R18 Avg. $267.00 
$80 REBATE
Pilot Sport All Season 4All Season | Ultra High Performance 
235/45R18 Avg. $244.00 
265/45R18 Avg. $385.00 
$70 REBATE
Potenza SportSummer | Supreme Performance 
235/45R18 Avg. $259.00 
265/45R18 Avg. $307.20 
Proxes Sport A/SAll Season | Ultra High Performance 
235/45R18 Avg. $275.46 
265/45R18 Avg. $302.24 
Eagle F1 Asymmetric 2Summer | Supreme Performance 
235/45R18 Avg. $306.00 
265/45R18 Avg. $346.00