Petrol v6 is not replacing the 3.2.
Thailand Raptor was never offered with 3.2, old model 2.0 twin turbo/bi-turbo.
Diesel V6 is replacing 3.2 and is fitted to Rangers and Everests, not for domestic market though.
The 2.0 Twin turbo/Bi-turbo has been fitted to Rangers/Everests/Raptors for several years now and is not new.