The cost of a classic Volkswagen Bus can vary widely depending on the specific model, year, condition and location of the vehicle.

A rough estimate for a well-maintained classic Volkswagen Bus in good condition can range anywhere from $20,000 to $50,000 or more. However, prices can vary greatly depending on the specific model and year of the Bus, as well as its condition and any additional features or upgrades.

For example, early models like the Split Window Bus, Samba or Microbus, which were produced from 1950 to 1967, can fetch prices as high as $100,000 or more for a truly exceptional example that is in perfect condition.

On the other hand, later models, produced in the 1970s and 1980s, can be found for significantly less, with prices in the $10,000 to $20,000 range for a well-maintained example.

It's important to keep in mind that the price of a classic Volkswagen Bus can be affected by a variety of factors, such as its rarity, condition, and any additional features or upgrades. It's also a good idea to research the current market trends and prices for the specific model and year of the Bus you are interested in before making a purchase.