Cadillac’s new CT6 sedan arriving later this year is a huge deal for the company. Along with replacing the XTS, the full-size RWD sedan is meant to further establish Caddy's presence in the luxury performance market by taking direct aim at its extra-large competition—specifically the BMW 7-Series, Audi A8, and Mercedes-Benz S-Class.
To that end, Cadillac developed a whole new lightweight platform for the car that the company says is one of the most advanced its ever built. Named Omega, the chassis uses 11 different materials and a strategic mix of high-strength steel and aluminum to save an impressive 198 pounds over using steel.
Full story at www.popularmechanics.com.