How to Negotiate with MMR in hand?

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I’ve been attempting to negotiate a deal on a CPO 22’ Alfa Romeo Giulia with only 4,000 miles on it. Initially listed at $37,800 on the website, I successfully negotiated it down to $35,000. During my research, an individual provided me with the MMR values for the vehicle, revealing a dealer value of $28,800 and a retail value of $30,400. Should I bring up this information to the salesperson in an effort to secure an even deeper discount by sharing a screenshot?

A post was merged into an existing topic: Leasing Loaner Giulia 2023 Veloce RWD