Cars will start to depreciate in Pakistan as well provided the economy (more specifically inflation and the USD) remains somewhat stable.
There are now enough players and options in the market that would nudge people with purchasing power towards more modern offerings so you'd have no choice but to sell your existing car in a lower price tier to people who are looking to step up but can't afford brand new.
Assuming prices remain stable, if you have 10+ million to spend on a car in 5 years, would you go for a 5-year old H6 HEV regardless of the condition or go for any of the newer options in that price range that likely would be offering more features?