Getting a buggy ready for the off-road course at Uvalde Proving Grounds.

Getting a buggy ready for the off-road course at Uvalde Proving Grounds.

Wet track at Uvalde Proving Grounds.

Wet track at Uvalde Proving Grounds.

We accelerated up to 55 MPH and then stomp on the brake to simulate a pedestrian jumping out in front of the truck to measure braking speed under wet conditions.

We accelerated up to 55 MPH and then stomp on the brake to simulate a pedestrian jumping out in front of the truck to measure braking speed under wet conditions.

Mustang GT V8 ready to drive the dry handling race track.

Mustang GT V8 ready to drive the dry handling race track.

AMG C63 Mercedes outfitted with dry racing slicks getting ready to hit the dry handling course.

AMG C63 Mercedes outfitted with dry racing slicks getting ready to hit the dry handling course.

Test drives and tire performance at Uvalde.

Test drives and tire performance at Uvalde.