The Cadillac Sixteen was presented in 2003. The car featured a futuristic design and 24 inch wheels. It was equipped with a 13.6 liter V16 engine delivering over 1,000 hp and more than 1,300 Nm of torque.
The engine had an active fuel management system, that was able to deactivate 12 cylinders out of the 16. Thanks to this system the Sixteen could achieve a fuel consumption of about 7,5 liters/100 km.