Audi had for a longer period wanted to participate in the World Rally Championship, and when FIA approved the use of fourwheeldrive in it’s
big division, the groub 4, it all started.

A rallye version of the street Quattro was made with the same 10V engine with 320hp and introduced in Monte Carlo 1981 and had it’s last race in
the 1982 RAC.

Engine: inline 5, cast-iron block, alu-head, 10V, special steel-conrods.
Capacity: 2144cc by bore 79,5mm x 86,4mm stroke
Compression-ratio: 6.3:1
Power: 320hp / 6500 rpms
Torque: 412Nm / 3250 rpms

Engines fitted with KKK K27 turbochargers that put out 1.6BAR, and hat the first Hitachi MAC-10 management (similar to the production cars), but was later changed for Bosch units. Drivetrain was a 5 speed gearbox, lockable center-differential and 75% lockable rear-differential, Fichtel & Sachs clutch. McPherson struts with Boge rallye dampers, or rallye coilovers. 2524mm wheelbase and 1465mm width in front, and 1502mm at rear. Depending on gearing, topspeed between 173km/h and 253km/h. 0 – 100km/h between 4.9 and 5.2 sec.

Brakes were 280mm, hydraulic handbrake. Fuchs 5 spoked 6″ or 7″ wide wheels for rough roads, or 10″ for asphalt racing – all 15″ diametre and primarily fitted with Weber tires.

Length/height/width is 4404/1733/1344mm, weight between 1190 and 1240kg, FIA rules states minimum 1005kg.