'05 XE - 55,000 miles - Bought it in '08with 39,000 on it and got a 100k, 84 month warranty for about $1000.
Fuel Sending unit at 45K - a few hundred at least
Sway bar linkage at 50K - $100-$200?
New transmission and radiator from the dreaded failure at 55K, about $4000.
Warranty worth it? You bet ...