Enthusiasts have been adamant that GM’s decision to sell a police-only version of its RWD global Lumina platform (Holden Statesman) creates a fantastic opportunity for GM to return the Impala to its RWD roots. Such a decision would seem to make sense from a business perspective as well, adding civilian sales volume to what otherwise would be a fleet-only platform. No such luck though. Bob Lutz tells Inside Line that the forthcoming Impala replacement (due in 2014) will be based on GM’s global FWD midsized architecture (Epsilon II). The rationale for this decision appears to be fuel efficiency: Lutz mentions the need to compete with the Ford Taurus’s efficiency achievements as a factor in the decision. By going FWD, GM also hopes to be able to shoehorn the two-mode hybrid system from the discontinued Vueick CUV into a future Impala. In addition to forgoing an opportunity to leverage the Caprice police special architecture, this decision also adds to GM’s epic midsize FWD sedan bloat. From the Malibu to the Buick LaCrosse and Regal, from Impala to the Cadillac XTS “flagship,” GM’s default decision seems to be to base all of its sedans on a single platform, making pricing and content differentiation an ongoing challenge to its product strategy. Vive le sameness!
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