Actually, the S4 only have the bi-turbo 2.7 until 2002, after that they got a small displacement V8. However, pretty much all A4's had the option of a turbo I4.
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2007 VW Rabbit 2-Door
2004 Nissan 350Z Track
1980 Toyota Corolla 2-Door Sedan
1979 Chevrolet Corvette L82