I found some cc0 audio on freesound.org (or maybe it was in some giant sound asset pack I bought for $15 years ago) of a car skidding and then crashing into a barrier. I extracted just the skidding part and used the One Simple Trick of turning a somewhat homogeneous sound into a loop with Audacity:
- Cut the sound in the middle, into two parts
- Move the second part before the first part
- Select an area around the border of the first and second part
- Effect -> Crossfade Clips
- Do the 0 volume treatment to avoid clipping
and that’s it, it was one of the easiest sounds to make. I should update the post with that too