Sims 1
Pros: Sims are full of personality
Cons: No teens or toddlers and bassinet babies, cant make your own world
Sims 2
Pros : Sims are full of personality, amazingly done retail, cars, the detail and animations for everything, can make your own world
Cons: Did not go on forever, no body hair in CAS or ability to change body types
Sims 3
Pros: Open world, customization with color wheel and patterns, can make your own world
Cons: Pudding face, game issues lag and so on, limited hard to use face sliders, burrito babies
Sims 4
Pros: Push and pull system in CAS, clubs, calendars
Cons: Sims have no personality, no cars, babies locked to bassinet, no way to create a world or edit it