The HHR SS combines all of the style and capability of the popular HHR family with uncompromising performance, including a turbocharged and intercooled engine that produces 260 horsepower (194 kW), unique exterior styling and an SS-specific interior. The vehicle was developed by GM Performance Division (GMPD), with a team of engineers and designers dedicated to crafting nothing but high-performance vehicles.

• Road-hugging ground effects and unique front and rear fascias
• Aggressive, Black cross-mesh grille
• Liftgate-mounted aero spoiler
• 18-in. x 7.5-in. high-polished, forged-aluminum wheels wrapped with W speed-rated P225/45R-18 all-season performance tires
• Bright chrome exhaust tip
• Choice of six exterior colors

Along with its high-performance attributes, the HHR SS comes standard with a host of safety and convenience features, including the StabiliTrak electronic stability control system and four-wheel disc brakes with ABS. Optional equipment includes side-impact air bags and a power-operated sunroof.Consequently, the HHR SS delivers a sports car-like maximum lateral grip of 0.86 g (with manual transmission). The brake system is enhanced, too, with a four-wheel disc system and standard ABS. StabiliTrak electronically controlled stability control system is standard.The HHR SS’s performance rubber meets the road via Michelin Pilot Sport MXM4 P225/45R18 tires mounted on 18-inch polished forged aluminum five-spoke wheels.

• Performance seating with deep, premium-grip cloth bolsters; UltraLux seat inserts; and outer accents
• Analog, A-pillar-mounted turbocharger boost gauge
• Race-inspired cluster graphics with 140-mph speedometer
• Choice of three seat/door trim colors: Red, Gray, and Ebony with Gray inserts
• Premium floor mats
• AM/FM stereo with CD/MP3 player
• Pioneer premium seven-speaker system with rear subwoofer and 260-watt amplifier
• Auxiliary audio input jack for your iPod®(

• Turbocharged, direct-injected, dual overhead cam, ECOTEC 260-hp(1) 2.0L I-4 engine with Variable Valve Timing (VVT)
• Estimated 27 MPG highway(2)
• High-performance, Nürburgring-tuned suspension
• High-flow performance induction and exhaust
• Five-speed manual transmission with short-throw shifter or available automatic transmission
• “Zero-Lift” shifting
• Available limited slip differential

Like the exterior, the interior is unique to the HHR SS, including SS-embroidered sport seats with ultra suede inserts, a specific gauge cluster, an A-pillar-mounted turbo boost gauge and a new shifter arrangement. Three interior color combinations are available: Ebony, Light Grey and Victory Red.