Once unique as a four-door coupe, forging new ground in style, the competition has filled in the segment with a bevy of alternatives.
The Audi A7, for example, is perhaps even more delightfully styled, and offers its own high-tech web-connected system, but is similarly expensive and only available with a supercharged V-6 engine.
The Jaguar XF isn't a four-door coupe, but has its own unique style, and in XFR trim, can give the CLS63 AMG a serious run for its money.
The Cadillac CTS-V is even faster than either the Jaguar or the CLS63 AMG, but is somewhat less luxurious--and less expensive.
Porsche's Panamera may seem an unlikely comparison, but its higher price brings far better rear-seat room and incredible performance, though the look won't please everyone's eye.
The Infiniti M56 is the low-price leader of this group, but instead of a high-performance option, Infiniti offers a hybrid version, though the interior and exterior are nearly a match for the Mercedes' opulence and style.
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|2013 Mercedes-Benz CLS ClassBrowse Used Listings||2013 Audi A7Browse Used Listings||2013 Cadillac CTS-VBrowse Used Listings||2013 INFINITI M56Browse Used Listings||2013 Jaguar XFBrowse Used Listings||2013 Porsche PanameraBrowse Used Listings|
|16 MPG City / 25 MPG Hwy||18 MPG City / 28 MPG Hwy||14 MPG City / 19 MPG Hwy||16 MPG City / 24 MPG Hwy||15 MPG City / 30 MPG Hwy||15 MPG City / 30 MPG Hwy|
|Turbocharged Gas V8||Supercharged Gas V6||Supercharged Gas V8||Gas V8||Turbocharged Gas I4||Gas V6|
|Compact||Midsize Cars||Small Station Wagon||Midsize Cars||Midsize||Large Car|
|4-Door Sedan CLS550 RWD||4-Door HB quattro 3.0 Prestige||5-Door Wagon||56 4-Door Sedan RWD||4-Door Sedan I4 RWD||4-Door HB|
|Rear Wheel Drive||All Wheel Drive||Rear Wheel Drive||Rear Wheel Drive||Rear Wheel Drive||Rear Wheel Drive|
|Sedan||Sedan||5 Door Wagon||4-Door Sedan||Sedan||Hatchback|
|Automatic||Automatic w/Manual Shift||Manual||Automatic||Automatic w/Manual Shift||Automatic w/Manual Shift|