The engine, properly taken care of, will see well over 200,xxx miles without major repairs. The trannies however may become an issue around the 135,xxx mile mark.
Subaru use some GM Trannies too. GM makes an excellent transmission.A little bit of trivia: GM has supplied transmissions to BMW, Rolls Royce, Jaguar, Mercedes, Ferrari and many other companies. There's a reason why these top firms all chose GM as their transmission supplier.