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2023 Cadillac CT5 Loses Diamond Sky Special Edition Package

The 2023 Cadillac CT5 will no longer offer the Diamond Sky Special Edition package, Cadillac Society has learned.

Offered for the 2021 and 2022 model years, the Diamond Sky Special Edition package is only available on the Cadillac CT5 Premium Luxury trim.

The package includes the following content (relevant production codes listed in parentheses):

  • Diamond Sky Metallic exterior paint
  • Sky Cool Gray interior with Jet Black accents, unique Diamond Fall seat perforations and Galaxy wood trim (WFP)
  • 19-inch alloy wheels with Diamond Cut/Midnight Silver finish (G9F)
  • Two Diamond Sky Metallic-accented key fobs (HUN)
  • Body-color rocker moldings and extensions (Q84)
  • Body-color rear lower diffuser (Q84)
  • Neutral-density tail lamps with gray-tinted transparent outer lens with red crystalline inner elements (B6A)
  • Brembo V Performance front brakes (C73)
  • Blue calipers (J56)
  • Alloy pedals (JF5)

Buyers could also opt to replace the standard 19-inch wheels with a set of 20-inch alloy wheels finished in Polished/Dark Android Gloss (production code Q7N). 

The Diamond Sky Special Edition package for the Cadillac CT5 is priced at $2,800. However, it also requires the $1,090 Climate Package, bringing the total cost to $3,890. Production of the 2023 Cadillac CT5, which will no longer offer the Diamond Sky Special Edition package, is scheduled to begin on July 18th, 2022.

The Cadillac CT5 Premium Luxury trim is equipped with the turbocharged 2.0L I4 engine (production code LSY) as standard, which is capable of 237 horsepower and 258 pound-feet of torque. These models wear the 350T badge on the decklid. The twin-turbocharged 3.0L V6  engine (production code LGY) is also available as an optional upgrade, rated at 335 horsepower and 400 pound-feet of torque. These models are given the 550T badge. The luxury marque’s 10-speed automatic transmission is equipped as standard along with rear-wheel-drive, with all-wheel-drive being an available option. The CT5 rides on Cadillac’s Alpha 2 platform, and is built at the Lansing Grand River plant in Michigan. 

It’s also worth noting that the CT5’s smaller relative, the Cadillac CT4, will also drop the Diamond Sky package for the 2023 model year.

Subscribe to Cadillac Society to stay in the know on the latest Cadillac CT5 news and a lot more Cadillac news coverage. We also invite you to join the latest discussions in our Cadillac forums and Cadillac CT5 forum.

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Alexandra Purcell

Alexandra is a Colorado-based journalist with a passion for all things involving horsepower, be it automotive or equestrian.

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