1. Volkswagen Type 2 (1950-1967):
- MPG: 15-18 MPG (city) and 20-22 MPG (highway)
2. Volkswagen Type 3 (1955-1961):
- MPG: 21-25 MPG (city) and 25-28 MPG (highway)
3. Volkswagen Type 4 (1968-1974):
- MPG: 19-22 MPG (city) and 21-24 MPG (highway)
4. Volkswagen Transporter (1979-1991):
- MPG: 18-20 MPG (city) and 22-24 MPG (highway)
5. Volkswagen Vanagon (1980-1991):
- MPG: 16-18 MPG (city) and 20-22 MPG (highway)
6. Volkswagen Eurovan (1992-2004):
- MPG: 17-19 MPG (city) and 20-22 MPG (highway)
Please note that these MPG figures are estimates based on average fuel consumption ratings, and actual fuel efficiency may vary depending on driving conditions, vehicle maintenance, and individual driving habits. It's always best to consult the owner's manual or other reliable sources for the specific fuel efficiency of a particular Volkswagen bus model and year.