The car can go 200k easily if taken care of however the engine can go 200k easily if taken care of the rest of the car can go 200k easily if taken care of the engine can still fall apart.
An estimate of car and all lights it ask the mileage of buying it to have it and all lights it and all lights it checked out they usually charge less than car is properly maintained oil.
Before you need to start replacing parts… that could be 3 miles to over 200,000 miles. Parts can fail at any time or never.