According to Auto-News.de, Opel is considering using Cadillac's all-new big sedan, the XTS, as the base for its ... use GM's 3.6-liter direct-injection V6 that generates 304 horsepower or ...

Starting at just under $45,000, the XTS competes with midsized luxury sedans from European manufacturers like BMW, Audi and Mercedes. Though there is some price overlap with Cadillac's own CTS, the ...