Interesting Facts About the Cadillac CTS Sigma
The Cadillac CTS debuted as a luxury sedan for the 2003 model year and stayed in production until 2019, spanning three distinct generations. It was built on General Motors' Sigma platform, a Cadillac‑exclusive chassis that first appeared in early 2002.
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Alphanumeric Naming Breakthrough
When the CTS was introduced, it became the first Cadillac in decades to carry an alphanumeric designation instead of a traditional name. This naming shift marked a notable design decision for the brand’s lineup.
Sigma Platform – Cadillac’s First Exclusive Chassis Since the D‑Body
The Sigma platform debuted in early 2002 for the 2003 model year and underpinned the first‑generation Cadillac CTS. It was the first Cadillac‑exclusive platform since the historic D‑body chassis.
Three‑Generation Production Run (2003‑2019)
The CTS was manufactured and marketed by General Motors from 2003 until 2019, covering three generations. A complete timeline of CTS models by year (2002‑2019) shows its evolution across this period.
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