Errr, I'll go with "replica," I think.
From dictionary.com...
rep·li·ca/ˈrɛplɪkə/ Show Spelled [rep-li-kuh] Show IPA
noun
1. a copy or reproduction of a work of art produced by the maker of the original or under his or her supervision.
2. any close or exact copy or reproduction.
Origin:
1815–25; < Italian: reply, repetition, derivative of replicare to repeat < Late Latin replicāre to reply
Synonyms
2. duplicate, facsimile; imitation.
When I build mine, it will be as close as possible to the original without being an original, which will probably always be beyond my reach financially.
Cars that look vaguely like Cobras if you squint would better be known as "lookalikes," in my humble opinion. Or perhaps "evocations."
Just my very humble opinions.
Paul
