Don't hold your breath for another four-door Aston, but there may be more hardcore sports cars on the horizon.

Be it a V8, inline-4, or even a rotary, each engine configuration powered some incredibly fast cars over the years.

One of the fascinating storylines going into the 63rd Rolex 24 At Daytona examined just how different the 61-car grid looked to start the 2025 IMSA WeatherTech SportsCar Championship versus the end of ...