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'Till it dies?
The average life expectancy of an engine in a Ford Focus is around 150,000 - 250,000 miles. You can extend the life expectancy of your engine by making sure you do regular maintenance and upkeep on it.
The life expectancy of a 6.6L Duramax is 10 years and 350,000 miles. The life expectancy of a 6.7L Cummins is 11 years and 410,000 miles. The life expectancy of a 5.9L Cummins is 15 years and 500,000 miles!
1997 buick life
200,000 + miles
5 years
The life expectancy of a timing chain on a 1999 454 Vortec engine is 5 to 10 years. The exact time depends on how often the vehicle is driven.
500,000 miles500,000 miles
forever
roughly 350,000 to 400,000 miles if properly maintained
175,000 miles before major repairs.
200,000 miles is average with normal maintenance.