hannah elliot helps out by taking three sports cars for a test drive. h: the perfect sports car should combine sexy good looks, nimble steering, power, and high-quality cabin. it will be expensive, but not so pricey that it is out of reach for everyone. >> porsche, mercedes, and jaguar have three of the top sports cars on offer today, but which is best for you? let's get the numbers out of the way. all three have impressive stats. the porsche comes just slightly behind the mercedes-benz and jag, but each is a thrill to drive in its own way. >> this is the 2017 porsche 911 carrera cabriolet. the engine is a 420 horsepower six-cylinder boxer engine mounted in the rear. this is porsche's famous engine. it is difficult to describe the feeling you get behind the wheel. this is where that mystical porsche x-factor comes in. the rear wheel drive on 20-inch carrera s wheels and porsche torque factoring that grips the road better than any other model. the amg gts feels like a rocket ship. it's faster and more fun to drive than any mercedes. it feels like a rocket