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Oh, forgot to mention, I think your metallic brown cars are gorgeous! Only reason I didn't consider it for the Tesla is that our other car (Buick Enclave) is metallic brown, almost identical shade. So I love that color, too. Too bad about the mpg.
I got the green with grey interior. Exceeded my expectations. Really spectacular. I think the sequoia green is rich and deep, changes in the light, and is never boring. Its a really classy look, IMHO. I too, fretted about the color choice and almost went back to something else. Now I am very happy to have chosen the green, not least because it is not one of the more common colors, and very distinct from every other green color car on the road.