Hi, I'm planning on getting rims soon and I found a greattt deal on a set of 20x9.5 rims with about a 35-40mm offset and the deal would come with 255/35/20 tires. Is that going to be ok for the CTS or do you think that will rub? If so, would the tire size be the problem or the 9.5 rim width, or both lol? I'm just asking because it's such a good deal and I don't wanna pass it up if they'll fit. Thanks in advance!!