The voice of the Sith Lord not only offers TomTom satnav owners directions but also incorporates original dialogue from the films as well as sound effects including light sabres.
Darth Vader's voice, which is available to download from TomTom's website today, is just one of a number of Star Wars voices being launched for TomTom satnavs in conjunction with Lucasfilm and VoiceSkins, TomTom's dedicated celebrity voice website.
Android C-3PO will be made available in June while Jedi trainer Yoda will be released in July and Han Solo in August.
"We are thrilled to launch these exclusive Star Wars voices, available only on TomTom devices," says Alain Pakiry, senior vice president for marketing at TomTom.
"Now, Star Wars fans around the world can unite their passion for Star Wars with their love of the road, making every drive more personal and exciting."
TomTom users downloading the voice can also get their hands on free start up screen wallpaper and a Lord Vader map icon.
Darth Vader's voice is available to download now for £7.95.
See also: TomTom updates iPhone satnav app