Complex sentence: There is a strong grey market presence of Ford F-Series trucks around the world, most notably in Europe, China, and Australia, and usually driven by wealthy car enthusiasts, as the higher end trim models are the most sought-after versions.
Split into simpler sentences: There is a strong grey import presence of Ford F-Series trucks around the world. Most notably in Europe, China, and Australia, and usually driven by wealthy car enthusiasts, as the higher end trim models are the most sought after versions.