Yesterday I took the plunge and bought from Carvana. Their sticker price was the best I could find for what I was looking for. I probably could've negotiated better from a dealer, but I couldn't find a better interest rate anywhere else. And though it seems weird to buy without taking a test drive first, they do have a 7 day no questions asked return policy.
My car is set to be delivered on Monday. I'm excited.
In the summer of 2015 I was in the market for a Chevy Suburban as a family truckster and my wife and I had a very specific color/trim in mind... found it online at a dealer in Columbus, OH and pretty much communicated with them via email and phone. (They even sent me a personalized youtube walkaround of it). Like you, it was the best price I could find as we'd been shopping for one for months, and the interest rate was better than I had already arranged through my bank, so I told my wife "let's go for it" and we drove up there on a Saturday. I test drove it and eyed it over just to make extra sure (as much as I could, not being a gearhead.. i.e. nothing leaking and no funny sounds), but it was a good buying experience and we're still happy with the vehicle. Sometimes I still can't believe I bought a vehicle that way, but worked out for us.
Made a fun weekend out of it with the kids as there are some fun theme parks in Cincy. Good memories of that weekend.