2015, despite its various highs and lows, gave us many reasons to smile. It was a great year for motoring enthusiasts and fanatics, as all prominent automakers presented a number of redesigned and refined machines. These vehicles hit the road in style, promising breathtaking performance, innovative style elements, and increased functionality. To justify the notion, here’s our list of the top four cars from 2015 that reserved a special place in our hearts, and are…