Originally Posted by McGoogles
Packard Custom - It's easily found by starting the Street Crime "Hot Property" under the Arson Desk. Immediately after the car chase starts a civilian motorist will spin sideways in the roadway. The civilian's vehicle that spins sideways is a Packard Custom.
If you're having problems with this one don't replay "The Gas Man". That's a waste of fucking time! Do this instead. But be quick about getting into the car because the mission fails after about 10 secs once you stop chasing.
This got me to 100%. Thanks McGoogles, you're a star!