[praptak]

"I'll buy a car from one of those no-haggle car dealerships. Yes, they're probably padding it out, but it's worth it not to have to chit-chat."

This, or take a page from an economy handbook and set up the game so that it works to your advantage (hint: if you're physically at a dealer before the negotiation starts, then you've already lost.) Decide the exact model you need an email a dozen dealers for a quote.