The Springboks overpowered the favourites at International Stadium Yokohama on Saturday to match the mark of three World Cup wins by New Zealand.
South Africa dominated the set-piece in a brutal and relentless performance, with England unable to get going after suffering an early blow when Kyle Sinckler departed with concussion.
Pollard produced a masterclass from the tee, while Mapimpi and Kolbe crossed in the second half as South Africa became the first team to be crowned Southern Hemisphere and world champions in the same year.
