Some even influence the design language of future production models. Here are 10 of GM's finest concept cars, many of which you may never have laid eyes on before. All the concept cars here have ...

Though they're more than sixty years old, these beautiful American concept cars are still fascinating today and we can only ...

While purely a concept at this stage, GM says a production version would likely carry a price tag of around $25,000. That would put the sports car in perfect fighting range with the likes of the ...