Scenes from Next Gen testing at Darlington Raceway

Tyler Reddick wheels the Next Gen P3 prototype down the frontstretch at Darlington Raceway on Tuesday, April 6, the first of two days of Goodyear tire testing at the historic South Carolina track.

Tyler Reddick scraped the wall toward the end of the second day of testing at Darlington, getting a bit of damage on the right front of the Next Gen car.

The "Darlington Strip" got Tyler Reddick in the Next Gen car.

Tyler Reddick takes a lap during a second day of Next Gen testing at Darlington on Wednesday.

The lid up on the Next Gen model during the second day.

Tyler Reddick heads down the straightaway and into the corner of Darlington's 25-degree banking.

The bright red Next Gen model waits in the Darlington Raceway garage.

A sleek side angle of the Next Gen car in the garage area at Darlington.

Tyler Reddick sits at the ready in the Next Gen car before a practice run. Tuesday's session marked the Richard Childress Racing driver's first stint behind the wheel of the Next Gen prototype.

Tyler Reddick speeds down the main straight at Darlington Raceway. It's the first on-track appearance for the Next Gen car at the 1.366-mile oval.

The lines of the Next Gen car on display in the Darlington Raceway garage.

Tyler Reddick rolls through Darlington's sweeping turns in the first day of Next Gen testing. The racer is set for its official competition debut in 2022 at Daytona, as the '22 markings on the roof indicate.

Tyler Reddick roars under the flagstand during a test run.

The Next Gen car rumbles down pit road in between practice runs.

Tyler Reddick inches closer to the outside retaining wall during Next Gen tire testing at Darlington.

Reddick makes a sweeping arc through the turns of the track dubbed "Too Tough To Tame," which hosted its first Cup Series race in 1950.

A crewmember checks his notes in the Darlington Raceway garage.

Tyler Reddick works the high groove through Darlington Raceway's turns.

Crewmembers talk shop during a break in on-track testing at Darlington.

Tyler Reddick cruises away in the Next Gen car through one of Darlington's rolling turns.