Rare 1991 Mercedes-Benz 190-Series 2.5-16V Evolution II Up For Sale, It’s Pricey

German sports cars are pricey, and limited-edition models are prohibitively expensive. When you start talking about low-volume cars from the 1980s and 1990s, things do not get better. While these models did suffer from depreciation in their early years, their values are now skyrocketing to incredible proportions. BMW’s &lt…