Complex sentence: The XTS will be available in both front-wheel drive and optional all-wheel drive (standard on V-Sport vehicles) which includes a limited slip differential and torque vectoring.
Split into simpler sentences: The XTS will be available in both front-wheel drive and optional all-wheel drive (standard on V-Sport vehicles). Transcribed from 2016 Cadillac XTS sales brochure The available all-wheel-drive system includes a limited slip differential and torque vectoring.