The 1998-1999 Eurovans are considered the most reliable due to several reasons. First, the Eurovans manufactured during these years had fewer engine and transmission problems compared to earlier models. The engineers had ironed out the kinks by this point, and the vehicles were better engineered.
Overall, if you're looking for the most reliable VW Eurovan, the 1998-1999 models would be the safest bet, according to several mechanics and Eurovan owners.
