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Cadillac's on-again, off-again plan to replace the aging DTS and STS with one flagship product – which may or may not be known as the XTS – is reportedly back on track. According to Motor Trend, the original plan to use the Zeta platform of the Holden Commodore and Pontiac G8 has been shelved in favor a stretched version of Cadillac's own Sigma chassis that underpins the smaller CTS. If there's any truth to these rumors, we should expect to see the new Caddy for the 2012 model year.

The demise of the DTS also spells impending doom for the Buick Lucerne since the two vehicles are built atop the same platform at the Detroit Hamtramck assembly plant. MT reports that Buick will get two new models to replace the Lucerne, one of which may revive the old Invicta name from the 1960s. That mid-size sedan would replace the canceled Saturn Aura and be based on the Opel Insignia, which uses the same Epsilon II platform that's used by the 2010 Buick LaCrosse.

The second new Buick will reportedly be a notch smaller and will share its compact Delta guts with the Chevrolet Cruze but be fitted with the suspension adjustments pioneered on the Opel Astra. We'll just have to wait and see how that car goes along with Fritz Henderson's proclamation that he's 'not a fan of rebadging' if it ever sees the light of day.

[Source: Motor Trend]


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    • 1 Second Ago
  • 28 Comments
      • 5 Years Ago
      "Buick will get two new models to replace the Lucerne, one of which may revive the old Invicta name from the 1960s. That mid-size sedan would replace the canceled Saturn Aura and be based on the Opel Insignia, which uses the same Epsilon II platform that's used by the 2010 Buick LaCrosse. "

      In other words, the LaCrosse replaced the Lucerne.
      • 5 Years Ago
      Bring on a smaller Buick so I can get rid of the overpriced and highly problematic Audi a-4!!

      By the way there is a 6 inch difference between the LaCrosse and Insignia
      • 5 Years Ago
      Why do half of all Autoblog post titles end with a question mark?
      • 5 Years Ago
      This is not hard Cadillac.
      Just make a big version of the CTS and you will have a winner.
      Just do it.
      • 5 Years Ago
      A Buick based on the Chevy Cruze platform.....hey, they should call it the Skyhawk!!! Buick....emphasis on 'ick'!
      • 5 Years Ago
      I will like to see a large Cadillac sedan again.
      • 5 Years Ago
      I remember when the current STS came out, they said that's as far as Sigma could be stretched, so there'd be no Sigma-based DTS replacement.

      Sounds like Sigma II doesn't have that problem.

      I wonder, though -- before the collapse of everything, there was a lot of talk about Zeta replacing Sigma and underpinning the next CTS. I wonder what's wrong with Zeta that it's gone from the platform for all future GM RWD sedans to a dead end?

      And if Lucerne dies with no similar-sized replacement for Buick, what does that do to Buick's identity? It seems odd that Chevrolet will have a bigger sedan than Buick.
      • 5 Years Ago
      looks like a 5 series to me
      • 5 Years Ago
      4 inches.
      • 5 Years Ago
      Forget RWD, it's not going to happen. And if it does, trust that it will be ridiculously benign (try to conjure up a Grand Marquis with a Buick badge). Honestly, who--except for China and sexagenarians-- truly cares about Buick?
      • 5 Years Ago
      This is a bit confusing. The Epsilon II Caddy must be a bit longer than the 197" Lacrosse due to the hybrid variant's battery. This means it could easily be over 200", right where you'd think the STS/DTS would start around. Maybe the Sigma based car is going to be stretched to its max and also have substantial overhangs?
      • 5 Years Ago
      Is there anyway we can get a RWD four door, the 6-speed stick from the 09 CTS-V, and a "quite nice" powertrain? Basically, a G8 GXP, but we don't have to call it taht... please? Meh who am I kidding. Only in my dreams.
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