Chevrolet HHR
Overview
Manufacturer	General Motors
Production	2005–2011
Model years	2006–2011
Assembly	Mexico:Ramos Arizpe,Coahuila (Ramos Arizpe Assembly)
Designer	Bryan Nesbitt
Body and chassis
Class	Compact (HHR) Sedan delivery (HHR Panel)
Body style	5-doorstation wagon 5-doorpanel wagon
Layout	Front-engine, front-wheel-drive
Platform	GM Delta platform/GMT001
Powertrain
Engine	2.0 L (120 cu in)Ecotec LNFturboI4 2.2 L (130 cu in)Ecotec L61 I4 2.4 L (150 cu in)Ecotec LE5 I4
Transmission	5-speedF35 (MU3)manual 5-speedGetrag F23 manual 4-speed4T45automatic
Dimensions
Wheelbase	2,630 mm (103.5 in)
Length	4,475 mm (176.2 in) SS: 4,480 mm (176.4 in)
Width	1,755 mm (69.1 in)
Height	1,605 mm (63.2 in) SS: 1,590 mm (62.6 in)

TheChevrolet HHR (an initialism for Heritage High Roof)^[1] is aretro-styled, high-roofed, five-door, five-passenger,front-wheel drivewagon^[2][3] designed byBryan Nesbitt and launched by the American automakerChevrolet^[4] at the 2005Los Angeles Auto Show as a 2006model.^[4][5]

The HHR shares theGM Delta platform with theChevrolet Cobalt,Pontiac G5, andSaturn Ion. Chevrolet also marketed apanel van variant of the HHR beginning in 2007. Assembled inRamos Arizpe, Mexico and marketed throughout North America, production of the HHR ended in May 2011.

The vehicle's design was inspired by the late-1940s/early 1950s Chevrolet cars and trucks, specifically the 1947Chevrolet Suburban andAdvance Design pickups, with large, square fender flares and a hemispherical grille.^[6] The design of the HHR has been credited toBryan Nesbitt who was a former designer atChrysler where he was the lead designer of theChrysler PT Cruiser.^[4] Nesbitt was recruited by GM to join its design staff and served for a time as the chief designer of the Chevrolet brand. The HHR had a cargo-carrying capacity of 62.7 cubic feet (1.78 m³). All models had a flat-load floor (passenger models have 60/40 split bench) and fold-flat front passenger seat. For the 2007 model year, it was available in four trim levels; LS, LT, 2LT, and Special Edition. Apanel van variant was also made available in 2007 for only the LT trim and became available on all trim levels in 2008. A "Half Panel" (RPO code AA5) rear quarter window delete option was available in the 2008 to 2010 model years.

Every HHR came well-equipped with many standard features. These included power windows and door locks (front for the HHR Panel Van and front and rear for the standard HHR), dual frontSRSairbags, a Driver Information Center, an A/M-F/M stereo radio with a single-disc CD/MP3 player and an auxiliary audio input jack, a four-speaker audio system, a tilt-adjustable steering wheel, keyless entry, cloth seating surfaces, a folding rear bench seat (for standard HHR models only), manually-adjustable dual (front) bucket seats, a compact spare tire and wheel, air conditioning, and a five-speed manual transmission. Upper trim levels added features such as a multifunction steering wheel, a cruise control system, aluminum-alloy wheels (which were also polished on some models), a remote vehicle starter system (for vehicles equipped with a four-speed automatic transmission only), a single-pane power moonroof, a leather-wrapped steering wheel, theOnStar in-vehicletelematics system, front side seat-mounted SRS airbags,XMsatellite radio, aBluetooth hands-free telephone system which also included OnStar, and anABS braking system.

The HHR could also be ordered with many luxury amenities (depending upon the trim level selected), such as a power-adjustable front driver's seat, aPioneer seven-speaker premium audio system with an external amplifier and rear cargo area-mountedsubwoofer, luxury leather-trimmed seating surfaces with dual heated front seats, front-mounted fog lamps, power-adjustable and heated exterior side mirrors, and a six-disc, in-dash CD/MP3 changer withUSB integration.

Between 2007 and 2011,Chevrolet offered a four-door panel van version of the HHR. Initially offered in LS, 1LT, and 2LT models with either a 2.2-liter or a 2.4-literEcoTec Inline four-cylinder gasoline engine and a five-speed manual transmission, the HHR Panel Van featured a rear cargo management system in place of the standard HHR's rear split bench seat, deletion of the rear seatbelts and sideSRSairbags, a plastic cargo floor in place of the standard HHR's rear carpeting, the deletion of the rear carpeted floor mats (HHR Panel Vans still included front passenger area carpeting and carpeted floor mats), and plastic panels in place of the standard HHR's rear door and quarter windows (the rear tailgate window of the standard HHR remained in place, and could still be ordered with a rear window defroster). The rear exterior door handles were removed, though the rear doors could still be opened from the interior of the vehicle. The HHR Panel Van can be distinguished from a standard HHR by a 'PANEL' emblem on the left side of the rear tailgate.

For the 2009model year,Chevrolet introduced a Panel Van version of the HHR SS Turbocharged model, which included a 2.0LEcoTec Turbocharged Inline Four-Cylinder (I4) gasoline engine and a five-speed manual transmission. This model was only offered for a singlemodel year, having been discontinued in 2010 along with the standard HHR SS Turbocharged model.

The HHR was assembled inRamos Arizpe, Mexico, and was available for sale throughout North America. The HHR was also exported to Japan by way of the motor vehicles business unit ofMitsui.^[7] First year sales exceeded 93,000 through June 2006.^{[citation needed]} The HHR was partially sold in Europe and was replaced by theChevrolet Orlando. In early 2009, the HHR was discontinued from the Mexican lineup due to poor sales.

In October 2006, Cheryl Catton, director of car marketing and retail integration for Chevy, confirmed that a high-performance variant of the HHR would be built.^[8] The vehicle was expected to be released withSS moniker for the 2008 model year and use theEcotec LNFturbocharged engine found in thePontiac Solstice GXP andSaturn Sky Red Line.

On August 16, 2007, Chevrolet officially revealed the 2008 Chevrolet HHR SS Turbocharged at theWoodward Dream Cruise inBirmingham, Michigan.^[9][10] It was created by GM's Performance Division and introduced as a 2008 model in the fall of 2007. The SS Turbocharged features a 2.0 L (120 cu in)turbochargedEcotec LNFI4engine and intercooler that produces 260 bhp (190 kW) (235 bhp (175 kW) with the optional 4-speed automatic), race-tuned high-performance suspension, five-speedmanual transmission with short-throw shifter, standard four-wheel antilock disc brakes, ground effects with unique front and rear fascias, aggressive black cross-mesh grille, liftgate-mounted aero spoiler, an analog A-pillar-mounted titanium boost gauge, leather-wrapped steering wheel with mounted audio controls, and unique 18 in (460 mm) high-polished aluminum wheels.

Chevrolet also introduced theHHR SS Panel Concept on October 30, 2007, at the2007 SEMA Show.^[11][12] This was made into a production model for the 2009 model year.

The SS model was removed from the market after the 2010 model year due to the shuttering of the GM Performance Division, also known as the GM High Performance Vehicle Operations (HPVO) Group.^[13] In addition, GM phased out all GM badges from the front doors for the 2010.5 model year, including the Chevrolet HHR.^[14][15]

In the fourth quarter of 2010, Chevrolet announced that the HHR would be discontinued after the 2011 model year, with the last HHRs available in dealerships starting in late January to early February. HHRs were also available for fleet order until May 2011.^[16]

• 2007: HHR Panel launched. Intended for commercial use, the rear side windows & rear seat are deleted & additional floor storage is offered.^[17] The 2.4 LE5 engine was retuned for more power while retaining the samefuel economy. The 2.2L L61 engine received some significant internal upgrades including a higher-strength Gen II block and revised cylinder head (enlarged exhaust ports) and camshaft design (increased exhaust valve duration). The engine also switched fromwasted spark ignition to individualcoil-on-plug ignition. Upgraded engine was controlled by new 32-bit ECM (E37). These changes increase horsepower slightly and retain similar fuel economy. Ebony interior now available.
• 2008: New "SS" model introduced. "Half Panel" RPO code AA5, rear quarter window delete, option added. Tire pressure monitoring system now standard (except in Canada). GM's OnStar was also now included with every model. Electronic stability control is available as an option. Four new exterior colors available.^[17] GM introduced a "stage 2" performance package for the HHR SS (similar to what was available to the Solstice GXP and Sky Red Line withtheir upgrade). After installing theelectronic modification and 3-barMAP sensors, the HHR SS would output 290 horsepower (220 kW) and 315 pound-feet (427 N⋅m) of torque, which was a significant increase from the factory output, though significantly less in torque output than the equivalent options offered for the Solstice and Sky.^[18][19]
• 2009: Flex-Fuel (E85) was added to the 2.2 and 2.4 engines.^[20] The 2.2 engine now comes with Variable Valve Timing (VVT).The interior was slightly changed: power window control switches were relocated from the lower center dashboard to the more traditional driver-side door; interior overhead lighting was improved; AM/FM stereo with USB port was now optionally available on LT/SS models.^[21] Side curtain airbags & electronic stability control is now standard across all models (except in Canada).
• 2010: GM phased out all GM badges from the front doors halfway through the model year (2010.5). 3 new paint colors added (8 total), down from 10 color options in 2009. Side curtain airbags & electronic stability control is now standard for Canadian models. Last year for "Half Panel" RPO code AA5, rear quarter window delete option.
• 2011: SS model discontinued. Cashmere interior removed from options.

Flex-Fuel (E85) was added to the 2.2 & 2.4 engines for the 2009 model year; these were the first four-cylinder Flex-Fuel engines from GM in North America.^[20]

InInsurance Institute for Highway Safety (IIHS) tests the HHR received a "Good" overall score in the frontal offset crash test, and an "Acceptable" score in side impacts on models equipped with side curtain airbags. Side curtain airbags became standard for 2008 models. However, side torso airbags were never made available.^[22]

• Chevrolet SSR
• Chevrolet Advance Design, the 1947–1955 Chevrolet pickup

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