what type of battery last the longest that dont have to boost it
A new one. Any fresh battery will do, no particular brand as most batteries are made in a few factories and just rebadged. They typically last 4-6 years on average. Once you have to start jumping the car, it's time to replace. If your battery's aren't lasting that long you might have a parasitic draw on the battery. Plus most batteries come with a warranty nowadays.
in my personal opinion: OPTIMA (however they are not cheap)
Search Ford Taurus X Questions
Ford Taurus X Experts
Related Models For Sale
Used Cars For Sale