Yes, the Buick Envision is a compact crossover SUV. While it's a common misconception, a "crossover" SUV does not refer to the vehicle's size but rather its construction. A crossover is designed to fill in the gap between "true" SUV versatility and smooth car-like handling by using unibody construction. In essence, the Buick Envision is a crossover that offers durable power and smooth agility without.