The elderly Cadillac DTS and Buick Lucerne twins are about to reach the end of the line. As part of the imminent closure and refit for the Detroit-Hamtramck plant in Michigan, General Motors will also pension off the two G-body sedans that have been built there for some years.

The DTS was launched in 2005 and was a restyled and renamed Cadillac DeVille, while the Buick Lucerne was derived from the former LeSabre.

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The effective replacement for the DTS will be the XTS, which is due to be launched in North America in early 2012. This car, which will use the Epsilon 2 architecture, will also serve as the eventual successor to the Cadillac STS. Oshawa 1 in Ontario will build the XTS, while a long wheelbase variant is expected to be made in and exclusively for China by Shanghai GM at its Pudong plant.

Buick division already offers two large sedan in North America, the Regal and LaCrosse (Allure in Canada), so no direct replacement for the Lucerne is needed.

Author: Glenn Brooks

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