I'm sorry I have to report a finding.
In all my Simutrans Experimental games, the vehicle purchase prices are 25% of the listed prices in the .dat files (and therefore the prices in the Simutrans standard game using the same PakSet. This has been tested with Simutrans 102.2.2 with Simutrans Experimental 7.3 and Pak128.Britain 1.07.
DoR,
thank you for the report. This, however, is deliberate: the vehicle purchase prices are scaled with the distance scale, because, as the scale gets larger, the more vehicles that one needs to make the same amount of money.
Hi James,
...And I quartered the distance... So that one is solved. Sorry to bother you... :-[