The Cadillac CTS-V Wagon price was just announced, with order books now open for ordering, with the first delivering scheduled for 2011.
The Cadillac CTS V Wagon comes with a 6.2-litre V8 producing 556 HP and 747 Nm of torque, all of which will get send to the wheels via a six-speed manual transmission. A six-speed automatic gearbox is also available and when accelerating from 0 to 60 mph the Cadillac CTS V Wagon needs only 4 seconds flat.
Standard features on the Cadillac CTS V Wagon include the Magnetic Ride
Control, Brembo brakes, and 19-inch forged-aluminum wheels with Michelin
Pilot Sport PS2 tires. Other amenities include leather seats that are heated, in dash navigation with a 40 Gb HDD, Xenon headlamps and a premium sound system from Bose. 
The Cadillac CTS V Wagon price starts at 62,990 USD.
GM press release :
DETROIT –The Cadillac CTS-V Wagon will be available at U.S. Cadillac dealers later this year, with pricing from $62,990, including destination. With a 556-horsepower V-8, the 2011 Cadillac CTS-V Wagon accelerates from 0 to 60 miles per hour in 4.0 seconds.
“The Cadillac CTS-V Wagon is a limited production offering for connoisseurs who are interested in the unique combination of V-Series performance with wagon style and capability,” said Don Butler, vice president, Cadillac marketing.
Like the CTS-V sedan and CTS-V Coupe, the CTS-V Wagon features a supercharged 6.2L V-8 delivering 556 horsepower (415 kW) and 551 lb.-ft of torque (747 Nm). Power is delivered to the rear wheels through either a standard six-speed manual, or a six-speed automatic transmission. Other high-performance features include standard Magnetic Ride Control, Brembo brakes, and 19-inch forged-aluminum wheels with Michelin Pilot Sport PS2 tires.
The CTS-V Wagon combines V-Series performance with the practicality of a wagon and the appointments of a luxury sedan.  The CTS-V Wagon can accommodate up to 58 cubic-feet of cargo, and features a full range of luxury amenities, such as:
    * Heated, leather-appointed seats
    * In-dash navigation system with 40-gigabyte hard drive
    * Xenon HID headlamps with adaptive forward lighting
    * Bose 5.1 Cabin Surround audio system
    * Cadillac Premium Care Maintenance Service for four years / 50,000 miles 
Available options on the CTS-V Wagon include:
    * $3,400 Recaro heated and ventilated, high-performance driver and front-passenger seats
    * $800 19-inch, polished aluminum wheels
    * $600 midnight Sapele Wood trim package
    * $300 Suede steering wheel and shifter
The CTS-V Wagon is now available for ordering from Cadillac retailers in limited quantities for 2011.   

Source: GM