One of the new models GM is proud to introduce is the 2004 Buick Rainier. The Rainier is the first truck-based sport utility vehicle in the Buick family. It is a midsize model that benefits from this architecture with increased ruggedness, durability and power . The only midsize regular length SUV in the entire GM family to offer a powerful V8, the 2004 Rainier is available with rear-wheel drive with traction control. The 2004 Buick Rainier is a four-door model that does not have three rows of seating. It features two spacious rows that allow it to handle five passengers with ease. Its total cargo volume is a roomy 80.1 cubic feet.