Could you do a batch update on all Audi 80 B2s listed as 1978? It was first offered to the public in September 1978 and should therefore count as a 1979 model at the earliest.

http://imcdb.org/vehicles.php?resultsStyle=asImages&yearFrom=1978&yearTo=1978&makeMatch=- 2&make=audi&modelMatch=1&model=typ+81&modelInclModel=on&modelInclChassis=on&origin=- &madein=&madefor=&role=