One of the best features of the German super-sedan is how much of a sleeper performance machine they are. In more recent years, that sleeper-status has decreased slightly in some marques, but in the late 1990s and early 2000s, you still needed to be an enthusiast to really tell the difference between some of the more potent models and their more pedestrian stablemates. Certainly that was true of the B5 Audi S4; yes, it had subtly refined front and rear bumpers and distinctive wheels, but aside from that the outside looked nearly the same as any other sport package A4. But the performance was certainly better than the typical A4, and the B5 2.7T V6-equipped S4 has proven itself to be a popular tuning platform. The ability to channel the power through all four wheels means that horsepower figures that would render other cars simply tire-shredding machines can be utilized by the S4. And some of those power figures are impressive; spec out a B5 S4 motor such as this and APR claims it’s capable of getting within a riding mower’s worth of 700 horsepower. Look at the outside and tell me you’d be expecting that at the lights when this stealthy sedan pulled up next to you:
