That's an 87 or 86. Doesn't have the updated interior of a newer SDL. Looks like the seller has no clue what he's selling, so I'd stay away from it.

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Only diesels in this driveway.
2005 E320 CDI 243k Black/Black
2008 Chevy 3500HD Duramax 340k
2004 Chevy 2500HD Duramax 220k