Well, I have a gray sedan here, too. Perhaps...
4 seconds sound clip from the Destination Freedom - Peace Mediator classic radio play.
You can hear this line at 00:02:56 in the radio play.
Quote context
[...]
- That car has already stopped here and passed on. You're just ten minutes late, monsieur.
- He took road Q-12 outside Jerusalem.
- Good heavens! Is there anyway I can catch him?
- He was going very fast. He did not say where.
- I know where. I've got to be in that car with him.
- Well, I have a gray sedan here, too. Perhaps...
- Please! I'll be there by plane in a few minutes.
- Good. I will wait and drive you myself.
- And far out oil road Q-12 four men waited by a Cyprus tree.
- And one focused his binoculars on a speck of dust in the distance.
[...]