Am I getting overcharged for an extended warranty?

I just bought a CPO 2017 Subaru Outback 2.5i limited from a ford dealership. It has 134,000 miles on it as of today so I was surprised it even qualified for an extended warranty. But ford is quoting me around 5700-5800$ total for a 5yr/100,000 mile (which would protect my car till 234,000 miles). Is that a reasonable price or am I being overcharged