Ryan Phillippe says his young Motorheads co-stars make him feel like Yoda: Very aware of my age!

From teenage dream to wise sage.Ryan Phillippe is taking the same journey that actors such as Luke Perry took earlier: he rose to fame in “teen idol” type roles, and now he’s playing a parent figure.“I think having three kids of varied ages and having been a father for a long time, that’s a natural space for me,” Phillippe, 50, told The Post about his new teen drama, “Motorheads.” But, he added, for his iconic role in 1999’s “Cruel Intentions,” he finds it “crazy” that “that film still has new fans today, and that it holds up the way that it has.”“It’s also crazy that they’re now remaking so much of the stuff that I’ve been in – that makes me very aware of my age!” He shares son Deacon, 21, with his ex-wife, Reese Witherspoon, 49, whom he was married to from 1999 to 2008.

They also share daughter Ava, 25.(He has a third child, daughter Kai, 13, with his ex, “Pitch Perfect” actress Alexis Knapp.) “Motorheads” (premiering May 20 on Prime Video) follows high schoolers Zac (Michael Cimino) and Caitlyn (Melissa Collazo), who move with their mom (Nathalie Kelley) back to her Rust Belt hometown, where there’s a thriving street race scene.

They’re close with their uncle, Logan (Phillippe), a former NASCAR mechanic who now struggles to keep an auto body shop afloat.Deacon plays Logan’s brother, Christian, in flashbacks, as he vanished under mysterious circumstances 17 years ago.“It’s like, at one point, I was like these early 20-somethings on this set.

And it’s funny how watching them interact and hearing them talk about the industry and their careers really does take me back to that time,” Ryan recalled to The Post. The “I Know What You Did Last Summer” star added, “But I also think that I’m at a place in my life where [I’m] able to share some of my experience, and be very open about what that has been like – the good and the bad – to kind of steer them in the right direction, or be a sourc...