Yes this has the full factory warranty on it still.
This Focus has over the Base ST:
• Audio System from Sony® single-CD/MP3 with 10 speakers, including a subwoofer
• Dual-zone electronic automatic temperature control
• HD Radio™
• SiriusXM Satellite Radio
• SYNC with MyFord Touch
• Ambient lighting
• Heated exterior mirrors
• Heated front seats
• High-intensity discharge (HID) headlamps with light-emitting diode (LED) signature lighting and cornering lamps
• Overhead console
• Rear-seat armrest
• RECARO Charcoal Black full leather-trimmed seats
• Voice-activated Navigation System
• Power Sunroof
That comes to $5,735 in options over the base ST. It has EVERY option you can get on an ST.