The Mercedes Benz CLS - The World's First Ever.... 4 Door Coupe

Coupe. Coupes have two doors - or so you would think. Mercedes Benz makes coupes that they call coupes - the SL500 and SLK are two examples. Since 2005, coupe has taken on a broader meaning. Mercedes Benz, the inventor of the automobile, has come out with a 4 door coupe called the CLS. 
Built on a 2002-2009 E-Class frame stretched by six inches, the CLS slots between the E class and S class in the sedan 4 door lineup, and the E Coupe and CL Coupe in the coupe lineup. and will set you back at least $72,100 in 2014.

In the US, V8 power comes as standard with even the base CLS550 providing a scorching 402 horsepower that can haul this beast to 60 mph in just 5.1 seconds. AMG models - starting under $100,000 in 2014 - get you 550 or 577 horsepower and 3.6-3.7 second 0-60 times.

It comes with all the typical luxury accouterments a Mercedes Benz of this caliber would give you, as well as the engineering prowess that is the hallmark of this German luxury car company.