Audi Ur-S4 / Ur-S6
The Ur-S4 was produced from 1991 to 1994, while the Ur-S6 was produced from 1995 to 1997. They both featured a 2.2 litre, 5-cylinder engine with turbocharging and an intercooler, with of torque. In Europe, V8-powered versions of both S4 and S6 were available. The S4 version sported a engine (the same "ABH" engine as in Audi V8), the S6 had an upgraded engine "AEC" with . American versions featured a 5-speed manual transmission and in Europe a 6-speed, as well as a 4-speed automatic transmission could be substituted.
Audi A8
The D2 series S8 featured an uprated, version of the 4.2-litre V8 with four valves per cylinder. From late 1999, Audi increased this to five valves per cylinder with power increased to and . From launch in 1996, European-market models came standard with a six-speed manual transmission. A sports-recalibrated version of the ZF "5HP24" five-speed tiptronic automatic, featuring "Dynamic Shift Programme" (DSP) was released a year later and was the only transmission available in most other markets.