The Nouvelle Opel Karl is a subcompact car produced by Opel, a German automobile manufacturer. The 2025 release date refers to the upcoming model year for the Nouvelle Opel Karl. The Nouvelle Opel Karl is known for its affordability, fuel efficiency, and practicality. It is a popular choice for city driving and commuting. The 2025 model is expected to receive a number of updates, including a new engine, transmission, and infotainment system.