1, Buick LaCrosse and Regal have slightly different positioning in the market. LaCrosse is mainly medium-sized commercial vehicles, while Regal is mainly medium-sized private sports cars.

2. From the overall configuration, safety, appearance and luxury of interior, the grade of LaCrosse is higher than that of Regal.

3. The LaCrosse is equipped with a 2.0T turbocharged engine with a maximum power of 26 1 horsepower and a Regal 1.6T turbocharged engine. Some models are equipped with a 2.0L naturally aspirated engine. Buick LaCrosse is more suitable for business occasions in terms of configuration, power and space. Regal, on the other hand, pays more attention to sports performance and is suitable for personal driving.