From the article:
For just a little over $30,000 after destination charges a base 2015 Nissan 370Z or 2015 Hyundai Genesis Coupe 3.8 R-Spec can be purchased. Both sportcars come with fairly large V6 engines, rear-wheel drive and a proper six-speed manual transmission which is a good combination for any sports car.

Photos and video - 2015 Nissan 370Z vs 2015 Hyundai Genesis Coupe

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For this category I would choose the 370z due to its availability of performance parts and accessories.