The B8 Audi S4 and A4 are both great cars for the money, but how often is the performance version of a car the better buy? With the Audi S4 vs. A4, it is.
Audi S4 B8/B8.5 Network
Audi S4 (2009-2015) Review
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Force feed your Audi S4 or S5 3.0T supercharger direct high-flow rammed air with and IE Cold Air Intake! The perfect addition to your engine bay, instantly adds horsepower, torque, snappy throttle response, and an aggressive supercharger sound. Typical peak gains from the CAI are roughly 15-25+ Horsepower and Torque on a tuned car.
IE Audi 3.0T Cold Air Intake | Fits B8/B8.5 S4 & B8.5 S5
Audi S4 B8/B8.5 Buyers Guide (2010-2016 UK) - At The Wheel
Next Audi S4 to Get Burlier, Perhaps Crest 350 hp – News – Car and Driver
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5 Reasons To Buy An Audi S4 Over An Audi A4 (B8/B8.5)
Real Carbon Fiber Trunk Spoiler Compatible with 2013-2016 A4 B8. 5 Sedan High Kick Duckbill Trunk Spoiler Wing Factory Outlet (NOT for S4 Model) : Automotive
Should I Buy? B8/B8.5 (2010-2016) Audi S4 // The Reliable Audi
Audi A4 - Wikipedia
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Audi S4 Roll Cage / Roll bar by StudioRSR – Studio RSR