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270,000 miles on the same suspension would be possible in the US
As a merican i always find these sort of "in the US" generalized comments funny. It's a fairly large place. Almost 4 million square miles in fact. We have lots of different types of roads. In fact, in my state, most of the roads are gravel. You can get there you need to and avoid them, but the quicker route is frequently over gravel.
When I sold my 1997 Honda Accord it had done 270,000 miles. The only thing outside of brake pads/discs/oil/plugs etc that needed replacing was the starter motor.
I sold it to a friend who then drove it to Chicago from Virginia. Visited her a year later and the Accord was still going strong.
Now my Dad and Brother both have Jazz’s and do a lot of miles in them. 20k+ a year, both cars have 100k+ mileage.