Subaru Legacy GTk makes its debut at SEMA Show

Article by Christian A., on August 29, 2009

Subaru has unveiled another concept -- the new Subaru Legacy GTk -- at the 2009 SEMA Auto Show. The other two vehicles include Subaru´s WRX STI and Legacy VIP concept cars. Based also on the new 2010 Legacy, the Legacy GTk concept car is a turbocharged, lowered, beefed-up Subaru sport wagon.

It's ideal for taking to the track or for some autocross action and is described as the ultimate track-ready sporty wagon. The new Subaru Legacy GTk concept car is intended to attract performance enthusiasts who have a family.

Lift the tailgate and there's a Coyote Motorsports XP go-kart for the kiddies. Specialized Vehicles Inc. (SVI), which developed the concept, installed a modified roof, blacked-out headlights, a custom front bumper with integrated fog-lights, hood vents, smoked tail lights and a fully custom black-over-red paint scheme.

With regards to its performance, the powertrain was boosted and is now equipped with a new six-speed manual gearbox, a modified exhaust system and recalibrated ECU, all of which liberates 300 horsepower and 350 pound-feet of torque from the vehicle's 2.5-liter boxer engine

For safety, the designers also added a short-throw shifter, a viscous coupling locking center differential, a new strut tower brace, a Bilstein suspension kit and a full Brembo brake package with six-piston calipers up front and four-piston calipers in the rear.

A track car is expected to offer a good performance but this does not mean it should not offer convenience, comfort, and even entertainment. As such, the interior of the Legacy GTk offers both function and fun. An example of this functional feature is the "kart friendly" cargo area which has been customized for the Legacy GTk.

It has LED lighting, tie-down points, and rubber decking. Providing comfort are the customized Ultrasuede and leather trims for its interior. This includes the matching seats in the rear and the custom Recaro Sportster seats for the front.

Subaru of America has a longstanding policy of minimizing waste such that the automotive facility of Subaru of Indiana that manufactures the Tribeca, Outback, and Legacy models, has a Zero Landfill status. To meet this standard, Ultrasuede-maker Toray made sure to use its EcoDesign(TM) product.

This product has a base material composed of polyester fill from post-industrial sources and eventually made using Ultra Microfibers that are 100% recycled. The doors and the instrument panel of the Legacy GTk are trimmed with a carbon fiber pattern.

Information about the engine is provided to the driver through the custom boost and the oil and temperature gauges. With the STI aluminum pedals, it gives the Legacy GTk that rally car feel. Entertainment is provided by harman/kardon custom surround-sound audio system which powers 18 speakers through the high-efficiency 11-channel GreenEdge processor/amplifier.

The advantage of having this system is that it is lighter and needs less power compared to the standard mobile audio system. Even then, it can reach higher acoustic levels. The whole system is controlled through the harman/kardon AM/FM/XM/single-CD head unit that comes with a 7-inch touch-screen display.

Press Release

Subaru Reveals Ultimate Sport/Track Wagon at SEMA 2009

Subaru of America, Inc. is showcasing the Legacy GTk, a concept for a track-ready sport wagon, at the 2009 Specialty Equipment Manufacturers Association (SEMA) Show at the Las Vegas Convention Center, Nov. 3-6. A unique design and "added bonus" in the cargo area make the Legacy GTk the perfect car for a family day at the track.

If a turbocharged, lowered, beefed-up Subaru sport wagon sounds like a great car for taking to the track for some autocross action, then wait until you open the rear liftgate. In the generously sized cargo area, you'll find a Coyote Motorsports XP kart (the "k" in GTk), also ready for track duty -- in this case, SCCA Solo autocross. The Subaru Legacy GTk is a car you can drive to the autocross track, and then compete against your kart-driving teenager in a handicapped point system on the same track -- with no trailer necessary.

The one-of-a-kind Legacy GTk, constructed to Subaru's specifications by Specialized Vehicles, Inc. (SVI), probes the outer limits of what a sport wagon can be. The GTk Concept combines the power and presence of a performance-tuned Legacy with the cargo capacity of the all-new 2010 Outback. The cargo area is large enough to haul a complete race kart, which weighs about 160 lbs. with engine and ready to race.

SVI worked with other suppliers to integrate individual sub-systems and components. Developed by JAC Products with input from Subaru, the roof cargo management hardware on the Legacy GTk wagon provides a sleek profile while offering a fully functional cross bar system. The liftgate spoiler, midgate spoiler and blackout-style HID headlights were sourced from the Japanese domestic market (JDM) Legacy. SVI applied its own custom parts, including a front air dam with fog lights; lateral hood vents; custom window tint, and, at the rear, smoked tail lights and a diffuser. The final touch from SVI is a custom black-over-red paint scheme.

Subaru Turbo Boosted to 300 HP

The Legacy GTk powertrain, including the new 6-speed manual transmission, is borrowed from a 2010 Legacy 2.5GT Sedan. With a modified exhaust system and reprogrammed ECU -- but no bolt-on performance parts -- the 2.5-liter turbocharged and intercooled engine produces 300 hp and 350 lb.-ft. of torque, up from the stock model's 265 hp and 258 lb.-ft.

The Legacy GTk draws from the Subaru Performance Tuning (SPT) and STI catalogs. An SPT short-throw shifter with STI shift knob controls the 6-speed. The Continuous version of the Symmetrical All-Wheel Drive system uses a viscous coupling locking center differential. The system splits the torque 50:50 and can transfer more power to the wheels with the best traction.

SVI built a custom quad-tipped exhaust system for the Legacy GTk, giving the Subaru Boxer growl a track-inspired tone. Under the hood, the engine compartment is dressed out with braided stainless hoses and brake lines and SPT anodized aluminum parts.

Track-ified Chassis

Bolt-on chassis mods make the Legacy GTk is track-ready, starting up front with an SPT strut tower brace. Suspension is lowered using Bilstein® struts and suspension calibration, along with STI "pink" springs. A full Brembo® brake upgrade uses 6-piston monobloc calipers in front with 355 x 32 mm 2-piece floating cross-drilled discs and billet aluminum hats. The rear setup is the same, but with 4-piston calipers. Getting the power to the pavement are BF Goodrich P245/50 R19 Force-KDW 2 tires mounted to HRE custom 19-inch Comp wheels.

Custom Interior and "Garage" are Enviro-friendly

Driving a track car is no cause to forgo comfort, convenience and onboard entertainment. The Legacy GTk interior combines fun and functional. Coming under the "functional" banner is the custom-made "kart friendly" cargo area with rubber decking, tie-down points, and LED lighting. Under the "comfort" column, there is a full custom Ultrasuede® and leather trimmed interior, including Recaro® Sportster custom front seats and custom matching rear seats.

The maker of Ultrasuede, Toray, employed its latest EcoDesign(TM) product to comply with Subaru of America's policy to minimize waste. (The Subaru of Indiana Automotive plant that builds Legacy, Outback and Tribeca models has achieved Zero Landfill status.) The EcoDesign product is made using 100-percent recycled Ultra Microfibers; the base material comes from the manufacturer's post industrial-sourced polyester film.

The Legacy GTk instrument panel and doors feature carbon fiber patterned trim. Custom boost, temperature and oil pressure gauges provide vital engine information, and STI aluminum pedals add a rally car feel. The harman/kardon® custom surround-sound audio system drives 18 speakers with an 11-channel high efficiency GreenEdge processor/amplifier. Compared to conventional mobile audio systems, harman/kardon GreenEdge components are lighter and consume less power to produce even higher acoustic output levels. The system is controlled by a harman/kardon AM/FM/XM/single-CD head unit with a 7-inch touch-screen display.

The Kart: Fully Functional, Ready to Race

Subaru designed the Legacy GTk as a fully functional vehicle. The idea was to build a car that would facilitate family racing fun. In this case, the GTk also highlights a motorsport that enables a parent to compete against his/her teenager in the same venue -- a rarity in any sport.

Since no trailer would be used, Subaru chose a kart that would not only fit into the cargo area, but would be suitable for a child old enough to ride in the front seat, in compliance with child seating laws. The SCCA Junior Driver kart program offered just that opportunity, its Formula Junior A class specifically intended for the 12-15 age bracket. Built by Coyote Motorsports in Spencerport, N.Y., the XP kart is powered by a Yamaha KT-100 two-stroke engine and can reach up to 50 mph in SCCA Solo racing and up to 120 mph in road racing.

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