Rob Lowe, Charlie Sheen Rob Lowe, Charlie Sheen

Back in the '80s, Rob Lowe and Charlie Sheen competed frequently — but not for movie parts.

"We competed to see who could play harder, then show up for work and still kick a--," Lowe tells Vanity Fair. "The verdict: Charlie by a nose."

Charlie Sheen hopes Rob Lowe replaces him on Two and a Half Men

Lowe, who recently finished his autobiography, shared excerpts with the magazine. In the book, he calls Sheen "one-of-a-kind ... a Polo preppy clotheshorse in a world of O.P. shorts and surf T-shirts" and "a wonderful mix of nerd ... and rebel.""At my house, we are still saving money by not buying desserts," Lowe says. "At Charlie's house, it's never-ending Haagen-Dazs, brand-new BMWs, a lagoon pool with underwater tunnels, and a lit, professional-grade basketball half-court."The two are still friends, and Sheen recently gave Lowe the thumbs-up when the actor was rumored to be a top candidate to replace him on Two and a Half Men. Parks and Recreation

executive producer Mike Schur, however, says Lowe is not leaving Pawnee, Ind., anytime soon.

Parks and Recreation boss says Rob Lowe won't be joining Two and a Half Men

Lowe also writes about his Outsiders co-stars in his book, calling Tom Cruise — then a houseguest of the Sheens — "open, friendly, funny" with an "almost robotic" focus; Patrick Swayze "as cool as you want"; Matt Dillon "a young ladies' man"; and Diane Lane a "legend" at 16.