Thieves targeted cars parked around Hillsborough football stadium during the last Sheffield Wednesday game.
A Black Mazda was stolen from Avisford Road after it was parked up while its owner was at the Wednesday v Brentford match on Tuesday night.
On the same night a sat nav was stolen from the glove box of a car parked on Herries Road, Wadsley Bridge, during the match.
Another car had a window smashed and its glove box searched but nothing was stolen.
Anyone with information should call South Yorkshire Police on 101.