The Spanish phrase "venta de cuatrimotos" means "sale of four-wheelers" in English. Some standard Spanish-English dictionaries do not include the word "cuatrimotos," but its meaning is well known in the automotive context and also apparent upon any Internet search using the word.
The phrase "venta de cuatrimotos" can be used to search the Internet for four-wheeler vehicles for sale, or to advertise the sale of them. "Cuatrimotos" is a compound word, "moto" being the Spanish word for motorcycle and "cuatro" meaning four. "Venta" means sale and is related to the English word "vend." At least one Spanish/English dictionary includes a related word, "cuatrimotor," which means four-engined plane.