Mrs Graydon said she wished she had checked the car earlier so Libby could have been spared some of the ordeal.
"It doesn't make you feel very nice. I don't usually have much to do with the cars but I went over and checked it out. It's strange it was just left there, you usually get money
for bringing in your cars, you don't just dump it. That was unusual."
SPCA inspector Jason Blair came to check out the car to see if there was any way to identify who the owner had been but the car was already crushed.
The car was an old square-shaped brown sedan and looked to date from the mid-1980s.
Mr Blair said he thought Libby was aged about 10, which was why the organisation was having trouble finding it a home. He said the cat was independent but still liked a cuddle.
"She needs to go to a home to show her true personality. We've had a number of specials in the weeks since we got her but she's unfortunately been overlooked. It's her age that counts against her. She's re-homeable so we're just going to keep her here until she finds a home."
Libby was fine but hungry when she was brought in to the SPCA. "She wasn't too freaked out, she was friendly and affectionate from the start."