Jada Toys has a series of diecast Batman vehicles, including this 1/24 scale Batmobile from Batman: The Animated Series.
Jada Toys makes this diecast 1/24 scale version of the Batmobile from Batman Forever.
Figures Toy Co. is producing retro-style Batmobile and Batcyle vehicles (and in multiple colors). These are reproductions of the versions Mego produced in the 1970s.
It looks like Eaglemoss has a new line of Batmobile books that combines the diecast Batman vehicles from its Batman Automobilia diecast line with books that feature detailed cutaways of vehicles from Batman comics, movies and animated series.
First up is a book featuring cutaways of various vehicles from the Batman ’66 Classic TV series, along with a diecast version of the Batmobile from that series.
baremetalHW is a YouTube channel that covers the world of 1:64 diecast cars. The publisher also does a lot of awesome modding and custom diecast cars, including this Batmobile done up Mad Max style.