The 2013 Buick Encore runs on regular unleaded.
The 2014 Buick Encore has a 6-speed shiftable automatic.
The 2013 Buick Regal has a 6-speed shiftable automatic.
The 2013 Buick Verano has a 6-speed shiftable automatic.
The 2013 Buick Enclave has a 6-speed shiftable automatic.
The 2013 Buick LaCrosse has a 6-speed shiftable automatic.
The 2014 Buick Encore runs on regular unleaded.
4L60E
The 2013 Buick Regal runs on regular unleaded.
The 2013 Buick LaCrosse runs on regular unleaded.
The 2013 Buick Enclave runs on regular unleaded.
The 2013 Buick Verano runs on flex-fuel (FFV).