Photo credit: Red Bull GEPA
The Austrian billionaire was speaking the day after Sebastian Vettel celebrated his second consecutive drivers' title by singing 'My Way' and 'Yellow Submarine' in the form of Japanese karaoke.
Mateschitz said the young German is making F1 cheaper for his energy drink company.
"Already this year we had a lower net budget than last year," he told the Austrian newspaper Salzburger Nachrichten.
"Now, with our even greater success, the additional rewards, more sponsors, in 2012 budget will be lower still," added Mateschitz.
