Early 20th Century Automobile

[Ron Duke]

And, I'd imagine, to make them look more attractive in our colorful world.

Sure.
If you picked a color for this car, what would it be?

[Boy]

I love the teal one but burgundy perhaps?

[Ron Duke]

Here are alterations with the colors displayed in accordance with Wikipedia's Hex numerals for the colors you mentioned. Also, I added a lighter version of "teal", as the original seemed so dark.

[Boy]

Will you look at that! I love the burgundy one!

I thought the color you used in post #8 was teal but, upon closer look, it's more of a grayish blue. To be honest teal is too flashy.

[Ron Duke]

Just to clarify what I said earlier, some of the cars of that era were brightly colored, but very few. Mostly they were black, as black was least expensive to make and use, but when they did do colors they were of the darker shades.

[Boy]

So, the one with burgundy is period correct and the teal ones not, right?

[Ron Duke]

So, the one with burgundy is period correct and the teal ones not, right?

Generally speaking, yes. However, I don’t know the exact policy for every manufacturer at the time. I wouldn’t know how to find information that extensive.