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Cadillac Racing in IMSA: How a Big V8, Smart Hybrids, and Hard Results Earned Real Respect
There was a time—not that long ago—when Cadillac showing up to a top-tier prototype race raised a few eyebrows. Nice luxury brand, people said. Big cars, comfy seats, good stereos. Racing? Sure… maybe. Fast-forward to today, and nobody’s laughing anymore. In the IMSA WeatherTech SportsCar Championship, Cadillac Racing has become one of the defining forces of the modern prototype era. They’re not just filling grid slots—they’re winning the races that matter, shaping how the GTP class looks and sounds, and proving that a distinctly American approach can thrive in a hybrid, global motorsport landscape. This is the story of how Cadillac built its IMSA program, which races it targets every year, what’s under the engine cover, and why the paddock now treats the V-Series.R as a serious problem instead of a curiosity.