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V3 (Audi 100 Coupe) became the first vehicle to test the
complete drive line unit in September 1973, using the
platform and front section with altered wheel housings
and suspension location. This car was stretched to the
necessary overall width by bulging fender extensions and
taken on two major African tests as well as a Mont Ventoux
mountain experiment. At the beginning of 1975 it was
converted to automatic gearbox.
V4 (Audi 100 Coupe) didn't receive wider fenders.
Instead it was cut down the middle and widened overall by
4.3 inches. This vehicle had the entire 928 platform, the
five-liter K-Jetronic engine and transaxle with manual
gearbox. It was used in chassis and engine tests from July
of 1974 on.
V5 (Audi 100 Coupe) corresponded in technical basics to
V4 and as of the end of 1974 was used in chassis
experiments, fitted with the ultimate rear axle although it
did not yet have the control link,
Munga was a bare chassis created in November 1973 and
used for engine experiments. It was given the name of
Germany's army jeep in deference to its off-road looks.
This airy vehicle was really only driveable to a limited
extent but testers enjoyed it tremendously around the
Weissach grounds, It had a five-liter carburetor engine
and transaxle with racing gearbox from the 908.03.
Next came those actual 928 prototypes which carried
through the test program, beginning in 1974,
928 K 1 (from January 1974) was the first of all 928...

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