I bought my SDL on ebay, but I looked at it and drove it first. I wouldn't buy an older car without driving it first to much of a risk not to. But I wouldn't mind buying something newer without seeing it first, say 2000+ model year.

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2006 CL500
2009 C300 4matic
1969 280SE
2023 Ram 1500
2007 Tiara 3200