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Pinto is slang for small penis in Brazil. Apparently, the car sold better once rebranded to Corcel (horse).

Mitsubishi Pajero is another great one:

Mitsubishi marketed the SUV as the Montero in North America, Spain, and Latin America (except for Brazil and Jamaica) due to the term "pajero" being derogatory (meaning "wanker") in Spanish

This is apparently a myth, and the Nova sold just fine in Spanish speaking countries.

I mean, it's not a myth that it sounds like "doesn't go". It was perhaps a myth that it affected sales to a strong degree...though I didn't say anything about sales.

Hyundai Kona is named Kauai (after another Hawaiian island) in Portugal, since "cona" is slang for female genitalia.