In enthusiast circles, a common "helpful story" involves the debate between a high-mileage S4 and a newer .
The B7 Audi S4: A love story ruined by faulty timing chain guides
: Audi shifted to a 4.2L naturally aspirated V8. While praised for its glorious sound and linear power, this era is also a cautionary tale for owners due to notorious timing chain guide issues that can be costly to repair.