The 1999 Volkswagen Jetta is available as a 4-door, 5-seat sedan. Starting at $14,845, the 1999 Volkswagen Jetta GL (M5) is powered by a 2.0L , 4 -cylinder engine mated to a manual transmission that returns an EPA estimated 24-mpg in the city and 31-mpg on the highway. The top of the line 1999VolkswagenJettaGLX (A4) (New) , priced at $ 23,500 , is powered by a 2.8L , 6 - cylinder engine mated to an automatic transmission that returns an EPA estimated 19-mpg in the city and 26-mpg on the highway.