How long does a 2010 ford focus last?

How long does a 2010 ford focus last? - 1

As long as you treat it well and get oil changes they will last 10+ years

It depends how many miles you put on it and how it is maintained, it's very important to check all fluids, check tire pressure and the most important thing is to have the oil changed regularly.

How long is a piece of string?

As long as you are prepared to spend money on spares and maintenance

That's like asking how long will I live!

We can look at average life of car for a rough time frame. On average we can get at least 10 years form almost any car corrosion wise before major work needed subject to conditions it is subject to.
assuming we suffer same wear rates and weather .terrain .used etc as most and regular servicing is carried out at correct times. Thus our driving and care is determining factor. Abuse of any mechanical machinery will reduce to working life significantly. We can with care and considerate driving expect around 15 years as a time span unless exceptionally high usage takes place.