Audi Audi A4 and S4 (B6) - Classic Car Review - Buying Guide

Better than previous A4 in virtually every respect. Classy looks, plenty of kit, roomy cabin and a good crash safety rating.

Which used Audi models should I avoid while buying a used Audi? I want a B7 A4 Quattro Avant 3.0 TDI. Is that a reliable car? - Quora

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