Found this link to a Maharaja's 1925 Rolls Royce hunting car built to hunt Tigers.....pretty classy, complete with machine gun and cannon.
http://forums.nitroexpress.com/showflat.php?Cat=0&Number=186933&Main=186933#Post186933
http://forums.nitroexpress.com/showflat.php?Cat=0&Number=186933&Main=186933#Post186933