Battle of the Naturally-Aspirated V8s: Audi RS5 vs. Mercedes C 63 AMG Edition 507

Naturally-aspirated V8 engines are a dying breed because of ever stricter emissions regulations, and this trend is most obvious in Europe. In recent years, German carmakers have been gradually replacing naturally-aspirated V8s with turbocharged V8s and V6s in their flagship sedans and sports cars, but there are still a handful of models that use “old-fashioned” V8s. Read more »