I'm thinking maybe the pick up in the tank is in a bad spot so it loses pressure when you hit the turn,
or it could have sensors for the suspension to bog it out when you flex the car in the turn
The front track of the 2013 Buick Regal is 5 ft. 2.4 in. (62.4 in.).
The front track of the 2005 Buick LaCrosse is 5 ft. 1.7 in. (61.7 in.).
The rear track of the 2003 Buick Regal is 5 ft. 1.3 in. (61.3 in.).
The front track of the 2008 Buick LaCrosse is 5 ft. 1.7 in. (61.7 in.).
The rear track of the 2014 Buick LaCrosse is 5 ft. 2 in. (62 in.).
The front track of the 2014 Buick Verano is 5 ft. 0.3 in. (60.3 in.).
The rear track of the 2011 Buick Regal is 5 ft. 2.5 in. (62.5 in.).
The rear track of the 2011 Buick LaCrosse is 5 ft. 2 in. (62 in.).
The rear track of the 2008 Buick LaCrosse is 5 ft. 1.5 in. (61.5 in.).
The rear track of the 2006 Buick LaCrosse is 5 ft. 1.5 in. (61.5 in.).
The rear track of the 2014 Buick Verano is 5 ft. 0.7 in. (60.7 in.).
The front track of the 2009 Buick Enclave is 5 ft. 7.3 in. (67.3 in.).