You got me there and I won't argue with you one iota, I swear.
6 seconds sound clip from the Planes, Trains & Automobiles (1987) movie soundboard.
You can hear this line at 01:18:30 in the Blu-ray version of the movie.
Quote context
[...]
- You have no functioning gauges.
- However, the radio still works.
- I can't let you go ahead in this vehicle.
- No. It's not fit for the road.
- The vehicle will be impounded until such time as it can be made safe for travel on state highway.
- You got me there and I won't argue with you one iota, I swear.
- I said I'was going to get you home.
[...]