The CTS Sport Wagon is available in either rear-wheel-drive or all-wheel-drive layouts, and is powered by either a 3.0-liter DOHC V6 engine, or a 3.6-liter V6 with variable valve timing. The 3.0-liter engine produces 270 horsepower and the 3.6-liter produces 304. The wagon is available with only a 6-speed automatic.