they are the same center caps even though 16" are painted and 17" are polished alum color. I checked my computers here and was suprised to see this. I just got a set of 17" SEL wheels on ebay for $400 WITH SHIPPING, they're negotiable!!!! TRY IT. THey have 2800 miles on them and look like new, can't beat it. Lug nuts are the same part number too...