top of page

2003 Cadillac Sixteen Concept


The 2003 Cadillac Sixteen Concept made a resounding statement at its debut, paying homage to the grand 16-cylinder luxury cars of the 1930s. This ultra-luxury show car wowed audiences with its remarkable features and stunning design elements. Named after its impressive V-16 engine, the Sixteen boasted a colossal 13.6-liter engine producing an astonishing 1000 horsepower and 1000 foot-pounds of torque. With such power under its hood, this Cadillac was not just a car; it was a testament to engineering excellence and automotive extravagance.



In terms of size, the Cadillac Sixteen was a behemoth, measuring nearly 20 feet from nose to tail. Despite its length, the car managed to exude a sleek and elegant coupe-like appearance, accentuated by its lack of a central roof pillar and distinctive design cues borrowed from the legendary Bugatti 41 Royal. The exterior showcased 24-inch polished aluminum wheels and a transparent self-darkening roof, embodying the epitome of luxury and sophistication.



Step inside the Cadillac Sixteen, and you were greeted by a cabin that epitomized opulence. Luxurious materials like leather and polished walnut adorned the interior, complemented by a climate system that automatically maintained individual temperature preferences for each passenger across three vertical levels. Noteworthy details included a gold Bvlgari watch on the dashboard and handmade silk floor mats, elevating the interior to unparalleled levels of refinement.



Underneath its grandeur, the Sixteen featured innovative engineering, including a 32-valve V16 engine with fuel-saving Active Fuel Management technology. This engine could deactivate cylinders when full power wasn't needed, enhancing efficiency without compromising performance. Despite its weight of over 5000 pounds, the Sixteen could achieve impressive speeds, topping out at 200 mph.



While the Cadillac Sixteen remained a concept car, its impact was profound. The design language and innovation showcased in the Sixteen influenced subsequent Cadillac models, notably seen in the 2008 Cadillac CTS. Over the years, rumors of a limited production model inspired by the Sixteen persisted, culminating in the announcement of the Cadillac Celestiq in 2020, an ultra-luxury electric sedan set to redefine automotive opulence.


The Cadillac Sixteen Concept epitomized the pinnacle of American luxury and automotive engineering, setting a benchmark for future Cadillac endeavors and leaving an indelible mark on automotive history.


Source & Images: General Motors Corp.

 Recent Articles

Join the Story Cars Newsletter

bottom of page