With a straight 6 cylinder engine (94 x 150) of 6.2 l capacity, this motor developed 100 PS at 2800 rpm and 140 PS at 3100 rpm thanks to the compressor.
The 6 seat tourer was priced 26500 Reichmarks while at the same time, the small Opel "Laubfrosch" cost 4500 Reichmarks.
Competitor to the 630 was the Maybach W5 built in Friedrichshafen for the German manufacturers.
