[RWebb]

for what it's worth, you did not have a legal contract (as others pointed out)

not sure what a deal is technically...

but even if you DID have a contract, the law promotes breaking contracts if a better "deal" is available (you have to pay any damages tho) - this is called "efficient breach"

it is part of capitalism and enshrined in the Uniform Commercial Code

but my earlier comment are about ethics, which is what I think many others are hitting on here --
I am a dance with who ya brung kind of person, but the thing is, what ethics do car dealers have? I think a lot of people have an answer on that one.

again, next time, just don't say anything definite; or call them and ask if they want to price match