Specs: The SSC Specs are for the Standard SSC, the Ultimate runs 1050 HP and is currently in testing now.

Engine
Veyron:
16-cyl Quad Turbo
Standard Aero:
Modified C5-R (Corvette Racing Block) Supercharged

HP/TORQUE
Veyron:
1001 HP and 922 lb/ft
Standard Aero:
908 HP and 771 lb/ft

Zero-60
Veyron:
est. 3s, i've heard 2.9s as tested and 2.5s was the claim
Sandard Aero:
2.94s

Weight
Veyron:
4162 lbs
Standard Aero:
2,720 lbs.

Top Speed
Veyron:
253 mph
Standard Aero:
249 mph

Quater Mile
Veyron:
N/A
Standard Aero:
10.44 @ 138 mph

Other Facts
Veyron:
0-180 in 14s
Standard Aero:
0-100-0 in 11.66s
1.03g on skidpad

I can't wait for the Ultimate Aero Stats!