Suppose The Audi A4 is a line of compact executive cars produced since 1994 by the German automobile manufacturer Audi, a subsidiary of the Volkswagen Group. The A4 has been built in five generations and is based on the Volkswagen Group B platform. The A4 was initially introduced as a four-door sedan, with a five-door Avant wagon variant introduced in 1996.
Can we infer that "The Audi A4 has only been available as a sedan model."? Yes, no, or maybe?