The Audi 4000 Quattro has been on a fairly meteoric rise in value over the past few years, shadowing its original market competition E30 BMW. Granted, much as when new the Type 85 chassis hasn’t gained as much press as the E30 does, but we’ve recently seen $14,000 4000 Quattros – unthinkable even a year ago, and a signal that the strength of the 1980s market really has pulled up everything along with the big headlines of the 911 and M3. Of course, because they languished in value for so long, there just aren’t many mint condition 4000 Quattros remaining. Because they haven’t been valuable for a long time, and because of the robust nature of the drive train, the 4000 Quattro has been lurking for a long time as a popular tuning platform. Engine swaps abound; from 5000 Quattro spec 2.2 10v turbos through twin turbo 4.2 V8s and 1.8Ts, just about everything has found its way into the engine bay of the 4000; but by far, the one that most wish for is the 20 valve turbo version of the inline 5, with up to and above 1,000 horsepower possible and the Group B soundtrack. Today’s 4000 has just such a swap completed:
