The 2012 Audi S5 Coupe and Cabriolet feature unique styling that sets them apart, but rivals like the Mercedes-Benz E-Class, BMW 335i and M3, and Porsche Boxster/Cayman all offer similar or better performance with high-grade luxury.
The Infiniti G37 Coupe and Convertible put out very close figures on performance, but come up short in the luxury and refinement measures--though they cost far less than the Audi as well.
Some of these alternatives aren't four-seaters, but the rear seats in the S5, particularly in the Cabriolet, won't likely see much use anyway--consider them all if you're in the market for a fast luxury coupe or convertible.
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|14 MPG City / 26 MPG Hwy||17 MPG City / 34 MPG Hwy||17 MPG City / 27 MPG Hwy||15 MPG City / 32 MPG Hwy||19 MPG City / 27 MPG Hwy||19 MPG City / 27 MPG Hwy|
|Gas V8||Turbocharged Gas I4||Gas V6||Gas V6||Gas Flat-6||Gas Flat 6-Cyl|
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|2-Door Coupe Manual Prestige||4-Door Sedan 328i RWD||2-Door Base RWD||2-Door Coupe E350 RWD||2-Door Roadster||2-Door Coupe|
|All-Wheel Drive||Rear Wheel Drive||Rear Wheel Drive||Rear Wheel Drive||Rear-Wheel Drive||Rear-Wheel Drive|
|2 Door Coupe||Sedan||2 Door Coupe||Coupe||Convertible||2 Door Coupe|