From Chevy Wiki
|Parent company||General Motors|
|Car classification||Compact car|
|Car body style||2-door Coupe|
4-door Sedan (car)
|Automobile layout||FF layout|
|Automobile platform||GM Delta platform|
|Internal combustion engine||2.0 L Turbocharger GM Ecotec engine Straight-4|
2.0 L Supercharger GM Ecotec engine Straight-4
2.2 L GM Ecotec engine Straight-4
2.4 L GM Ecotec engine Straight-4
2.2 L GM Ecotec engine Straight-4
|Transmission (mechanics)||5-speed F35 (MU3) transmission Manual transmission|
5-speed Getrag F23 transmission Manual transmission
4-speed GM 4T40 transmission Automatic transmission
|Wheelbase||262.4 cm (103.3 in)|
|Length||458.5 cm (180.5 in) (coupe)|
457.9 cm (180.3 in) (sedan)
|Width||172 cm (67.9 in)|
|Height||145 cm (57.1 in) (sedan)|
141 cm (55.5 in) (coupe)
|Fuel capacity||13 US gallons|
It is available as both a Coupe and Sedan (car) and is based upon the GM Delta platform also shared with the Chevrolet HHR, Pontiac G5, Astra (Opel, Vauxhall Astra, Holden Astra, and Saturn Corporation marques), and the Opel Zafira (a seven seat Minivan). Also available is a high performance, Super Sport variant. All Cobalts are currently manufactured at General Motors Lordstown Assembly plant in Lordstown, Ohio. The United States Environmental Protection Agency classifies the Cobalt as a Subcompact car.
Starting in 2009, Chevrolet will launch the Cobalt's global successor the Chevrolet Cruze (based on the new Delta II platform) in Europe with launches in other markets (including the US) to proceed in 2010. The Cruze will be built in multiple locations around the world including the Lordstown Assembly, at which the Cruze will briefly be built alongside the Cobalt until the latter is completely phased out. "The Cruze will build on the already successful Chevrolet Cobalt, Cobalt XFE and Cobalt SS, all of which are nearly sold out in dealer showrooms," said GMNA vice president of Chevrolet Ed Peper. “Our dealers are asking for many more Cobalts than we can build."
The front Suspension (vehicle) is Independent suspension with MacPherson strut, while a semi-independent Torsion beam suspension is used in the rear. The wheelbase is 103.3 in (2,624 mm), longer than its competitors, and the width is 68.4 in (1,737 mm) . Weight is average in-class, at 2,681 lb (1,216 kg) for the coupe and 2,747 lb (1,246 kg) for the sedan. The Cobalt uses an Electric Power Steering system developed by Koyo Seiko, rather than a conventional hydraulic system. For 2009, the United States Environmental Protection Agency fuel economy has increased to 24 mpg-US (9.8 L/100 km; 29 mpg-imp) city/34 mpg-US (6.9 L/100 km; 41 mpg-imp) highway with Automatic transmission, and26 mpg-US (9.0 L/100 km; 31 mpg-imp) city/37 mpg-US (6.4 L/100 km; 44 mpg-imp) highway with Manual transmission. The engine output has increased to 155 hp (116 kW).
- 2006: A non-Supercharger Cobalt SS was added to the lineup. This car is equipped with a 2.4 L naturally-aspirated Ecotec Inline-4. The LS became the base model while the LT was marketed as a mid-range package; the top level trim was now the LTZ. In addition, as with most other GM vehicles that year, GM's Mark of Excellence symbol was added to both front fenders near the doors.
- 2007: Both engines were retuned for more power while retaining the same Fuel economy. The 2.2 L Ecotec is now rated at 148 hp (110 kW) with the 2.4 L Ecotec rated at 173 hp (129 kW). Other changes include a new console, new steering wheel and new radio head unit that features an audio input jack. In addition, all models except the LS and LT1 now use a 5x110 wheel bolt pattern. The LS and LT1 retained the standard 4x100. In addition, the 2007 model year marked the introduction of a new 32-bit computer that replaced the 16-bit unit from 2006.
- 2008: The 2.4 L naturally aspirated, high-output SS coupe and SS sedan were renamed to just "Sport Coupe" and "Sport Sedan" respectively. The new Cobalt SS features a 260 hp (194 kW) turbocharged engine, replacing the Supercharged engine which was offered from 2005-2007. At mid-year, the fuel economy was increased to 25 mpg-US (9.4 L/100 km; 30 mpg-imp) city, 36 mpg-US (6.5 L/100 km; 43 mpg-imp) highway on the LS and 1LT, coupe and sedan models with manual transmission; now labeled with XFE badging (X-tra Fuel Economy). XM Radio, side-impact air bags for improved safety, and MP3 player are now standard instead of optional. StabiliTrak stability control system is introduced. Other changes include the adding and removal of several exterior and interior colors. The new SS (turbocharged) coupe launched near the end of May 2008, as it was a facelift from the 2005-2007 version. A sedan version is available for 2009.
- 2009: The 2.4 L naturally aspirated "Sport Coupe and "Sport Sedan" models have both been deleted, along with the 2.2 L L61 engine. Both are replaced by the 2.2 L LAP engine thus providing better fuel economy and more power. Three exterior colors have been changed, and the neutral interior color deleted. Bluetooth capabilities have been added, as well as the option for a reconfigurable performance display. The RPD, only available on the SS coupe, can read out various engine output data and alter performance settings.
The 2008 Cobalt is available with the SS performance package, which includes a 260-hp 2.0L Straight-4 turbocharged engine with variable valve timing, rated at 22 mpg-US (11 L/100 km; 26 mpg-imp) city, 30 mpg-US (7.8 L/100 km; 36 mpg-imp) hwy, with its 5-speed manual transmission. It can achieve 0-60 mph in 5.7 seconds.
The 2008 Cobalt line also offers a Sport model, with a naturally aspirated 171 hp (128 kW) high-output engine, rated at 22 mpg-US (11 L/100 km; 26 mpg-imp) city/32 mpg-US (7.4 L/100 km; 38 mpg-imp) hwy (Manual transmission), and 22 mpg-US (11 L/100 km; 26 mpg-imp) city/31 mpg-US (7.6 L/100 km; 37 mpg-imp) hwy (Automatic transmission). Previous to 2008 this power combination was offered as one of the SS package combinations.
According to the Insurance Institute for Highway Safety (IIHS) the Cobalt receives an overall top score of Good for front collisions.  However, it receives a Poor overall score for side impacts without side curtain Airbag, and an Acceptable overall score with side curtain airbags.  In 2008 side curtain airbags became standard but the Cobalt's structure remains the same and consequently in structure/safety category of the IIHS's side impact test the Cobalt receives a Marginal score.
Before 2009 the Cobalt only offered stability control as an option on Sport models.  Side airbags are limited to head-curtain type, torso type side airbags are unavailable. According to the IIHS's injury measurements taken from the side impact test the driver's torso is given a Marginal score.
In early 2007, 98,000 Cobalt coupes were recalled after it was discovered they did not meet federal safety requirements because of a lack of adequate padding in a specific area of the vehicle's trim, resulting in an unacceptable vulnerability to head injuries.
|2005–2006||2.2 L GM Ecotec engine I4 engine||145 hp (108 kW)||155 lb·ft (210 N·m)|
|2007–2008||2.2 L GM Ecotec engine I4 engine||148 hp (110 kW)||155 lb·ft (210 N·m)|
|2009||2.2 L Ecotec LAP I4 engine||155 hp (116 kW)||150 lb·ft (203 N·m)|
|2006||2.4 L GM Ecotec engine I4 engine||171 hp (128 kW)||163 lb·ft (221 N·m)|
|2007–2008||2.4 L GM Ecotec engine I4 engine||173 hp (129 kW)||163 lb·ft (221 N·m)|
|2005–2007||2.0 L GM Ecotec engine Supercharger I4 engine||205 hp (153 kW)||200 lb·ft (271 N·m)|
|2008-present||2.0 L GM Ecotec engine Turbocharger I4 engine||260 hp (194 kW)||260 lb·ft (353 N·m)|
- ↑ "Cobalt ranks second in sales". vindy.com. http://www4.vindy.com/content/business_tech/372311088812641.php. Retrieved on 2008-04-11.
- ↑ Gas Mileage of 2008 Subcompact Cars
- ↑ The Wall Street Journal (2008-08-22). GM to Open Formal Talks For Hummer Sale. News release. http://online.wsj.com/article/SB121934396020461037.html?mod=googlenews_wsj. Retrieved on 2008-09-20.
- ↑ Expansion Management (2008-08-26). GM Announces Millions in Investment in Ohio for New Small Car. News release. http://www.expansionmanagement.com/smo/articleviewer/default.asp?cmd=articledetail&articleid=19783&st=5. Retrieved on 2008-09-20.
- ↑ Orlando Sentinel (2008-09-14). Chevy squeezes more miles out of Cobalt. News release. http://www.orlandosentinel.com/classified/automotive/orl-ymtestdrive1408sep14,0,2545937.story. Retrieved on 2008-09-20.
- ↑ Motor Trend (2008-08-26). GM's Reconfigurable Performance Display an option for '09 Cobalt SS and HHR SS. News release. http://wot.motortrend.com/6272668/technology/gms-reconfigurable-performance-display-an-option-for-09-cobalt-ss-and-hhr-ss/index.html. Retrieved on 2008-09-20.
- ↑ Telegraph-Journal (2008-08-21). 2009 Chevrolet Cobalt SS Turbo track test. News release. http://telegraphjournal.canadaeast.com/wheels/article/391662. Retrieved on 2008-09-20.
- ↑ SS at SEMA: 2008 Chevrolet Cobalt SS Turbo and HHR Panel SS Concept - Auto News - Motor Trend
- ↑ IIHS-HLDI: 2005-08 Chevrolet Cobalt - FRONTAL OFFSET TEST
- ↑ IIHS-HLDI: 2005-07 Chevrolet Cobalt - SIDE IMPACT TEST WITHOUT OPTIONAL SIDE AIRBAGS
- ↑ IIHS-HLDI: 2005-07 Chevrolet Cobalt - SIDE IMPACT TEST WITH OPTIONAL SIDE AIRBAGS
- ↑ 12.0 12.1 Chevrolet | 2008 Cobalt - Safety Features | Chevy Cobalt
- ↑ The Vindicator (2007-01-25). GM announces Cobalt recall. News release. http://www4.vindy.com/content/local_regional/307174131201498.php. Retrieved on 2008-09-20.
- 2011 Chevrolet Compact - Spied Vehicles - Motor Trend
- Officially Official: 2008 Chevy Cobalt SS Turbo with 260 HP bows at SEMA
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