Spot is designed to perform dangerous tasks humans cannot.
Hyundai said it's looking to expand its offerings of electric and autonomous vehicles and thinks Boston Dynamics' technology could be useful.
That technology has also been deployed this year in the fight against the coronavirus. Spot has been used to measure patients' vital signs, patrol parks to encourage social distancing and even cheer on Japanese baseball players.
"Hyundai Motor Group believes that the robotics market has potential for significant growth in the future," the companies said in a statement.
The $1.1 billion deal is expected to be finalized in June.
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