2018 Audi S4 preview
The Audi A4 is an appealing compact luxury sedan with the cachet of the Audi name and the inherent goodness of German engineering. So, what’s the S4? Well, it’s just that much better. The 2018 Audi S4 is also better than the car it replaces. Under the hood sits a longitudinally mounted, twin-scroll turbocharged 3.0-liter V-6 that produces 354…
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