Chevrolet Cobalt

Chevrolet Cobalt
Chevrolet Cobalt
Chevrolet Cobalt LS coupe
Manufacturer General Motors
Production 2004–2010
Model years 2005-2010
Assembly Lordstown, Ohio, United States[1]
Predecessor Chevrolet Cavalier
Chevrolet Prizm
Successor Chevrolet Cruze
Class Compact
Body style 2-door coupe
4-door sedan
Layout FF layout
Platform GM Delta platform
Engine 2.0 L Turbo LNF I4
2.0 L S/C LSJ I4
2.2 L L61 I4
2.4 L LE5 I4
2.2 L LAP I4
Transmission 5-speed F35 (MU3) manual
5-speed Getrag F23 manual
4-speed 4T45 automatic
Wheelbase 103.3 in (2,624 mm)
Length 180.5 in (4,585 mm) (coupe)
180.3 in (4,580 mm) (sedan)
Width 67.9 in (1,725 mm)
Height 57.1 in (1,450 mm) (sedan)
55.5 in (1,410 mm) (coupe)
Related Chevrolet HHR
Saturn Ion
Pontiac G5
Opel/Saturn Astra
Chevrolet Cobalt LT sedan

The Chevrolet Cobalt is a compact car introduced by Chevrolet in 2004 for the 2005 model year. The Cobalt replaced both the Cavalier and the Prizm as Chevrolet's compact car.

The Cobalt was available as both a coupe and sedan, and is based upon the GM Delta platform also shared with the Chevrolet HHR, Pontiac G5, Astra (Opel, Vauxhall, Holden, and Saturn marques), and the Opel Zafira (a seven seat MPV). Also available was a high performance, Super Sport variant. All Cobalts were manufactured at GM's Lordstown Assembly plant in Lordstown, Ohio. The United States Environmental Protection Agency classifies the Cobalt as a subcompact car. [2] Since its introduction in 2004, GM has sold 1,019,842 Cobalts through the 2010 model year.[citation needed]

In 2009, Chevrolet launched the Cobalt's eventual successor, the Chevrolet Cruze (based on the new Delta II platform), in Europe, with launches in other markets (including the US) following in 2010. The Cruze is built in multiple locations around the world including Lordstown Assembly.[3] "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.[4] The Cobalt ended production on June 23, 2010.[5]

Contents

Specifications

The front suspension is independent with MacPherson struts, while a semi-independent torsion bar 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. 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, and 26 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).

Year-to-year changes

  • 2006: A non-supercharged 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.
Chevrolet Cobalt SS Turbocharged coupe
  • 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)5.5–7.5 km/lite city, 36 mpg-US (6.5 L/100 km; 43 mpg-imp)9–11 km/lite highway on the LS and 1LT, coupe and sedan models with manual transmission; now labeled with XFE badging (X-tra Fuel Economy).[6] 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.
  • 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, as well an SS sedan has been added to the lineup. 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.[7] The RPD, only available on the SS coupe, can read out various engine output data and alter performance settings.

Safety

According to the Insurance Institute for Highway Safety (IIHS) the Cobalt receives an overall top score of "Good" for front collisions.[8] However, it receives a "Poor" overall score for side impacts without side curtain airbags,[9] and an "Acceptable" overall score with side curtain airbags.[10] 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. Side airbags are limited to the curtain type, torso type side airbags are unavailable.[11] According to the IIHS's injury measurements taken from the side impact test the driver's torso is given a "Marginal" score.

2010 NHTSA sedan crash test:[12]

  • Frontal Driver: 4/5 stars
  • Frontal Passenger: 5/5 stars
  • Side Driver: 3/5 stars
  • Side Rear Passenger: 5/5 stars
  • Rollover: 4/5 stars

Before 2009 the Cobalt only offered stability control as an option on Sport models.[11]

Recalls

In early 2007, 98,000 Cobalt coupes from the 2005–06 model years 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. This resulted in an unacceptable vulnerability to head injuries, though GM claimed the vulnerability would only affect motorists not wearing a seat belt.[13]
On March 2, 2010, GM announced a recall of 1.3 million compact cars in North America, including the Chevrolet Cobalt, because of power steering problems. [14] GM plans on fixing older models before fixing current models, as the car was replaced by the Chevrolet Cruze in late 2010. The Pontiac G5 and its international variants were also affected, though GM had already ended production of the Pontiac brand by that point.

Engines

Years Engine Power Torque
2005–2006 2.2 L Ecotec L61 I4 145 hp (108 kW) 155 lb·ft (210 N·m)
2007–2008 2.2 L Ecotec L61 I4 148 hp (110 kW) 155 lb·ft (210 N·m)
2009–2010 2.2 L Ecotec LAP I4 155 hp (116 kW) 150 lb·ft (203 N·m)
2006 2.4 L Ecotec LE5 I4 171 hp (128 kW) 163 lb·ft (221 N·m)
2007–2008 2.4 L Ecotec LE5 I4 173 hp (129 kW) 163 lb·ft (221 N·m)
2005–2007 2.0 L Ecotec LSJ S/C I4 205 hp (153 kW) 200 lb·ft (271 N·m)
2008–2010 2.0 L Ecotec LNF Turbo I4 260 hp (194 kW) 260 lb·ft (353 N·m)

Sales

Model Year U.S. Sales
2004 4,959
2005 212,667
2006 211,450
2007 200,621
2008 188,045
2009[15] 104,724
2010[16] 97,376

References

  1. ^ "Cobalt ranks second in sales". vindy.com. http://www4.vindy.com/content/business_tech/372311088812641.php. Retrieved 2008-04-11. 
  2. ^ "Gas Mileage of 2008 Subcompact Cars". Fueleconomy.gov. http://www.fueleconomy.gov/FEG/byclass/Subcompact_Cars2008.shtml. Retrieved 2011-01-04. 
  3. ^ "GM to Open Formal Talks For Hummer Sale" (Press release). The Wall Street Journal. 2008-08-22. http://online.wsj.com/article/SB121934396020461037.html?mod=googlenews_wsj. Retrieved 2008-09-20. 
  4. ^ "GM Announces Millions in Investment in Ohio for New Small Car" (Press release). Expansion Management. 2008-08-26. http://www.expansionmanagement.com/smo/articleviewer/default.asp?cmd=articledetail&articleid=19783&st=5. Retrieved 2008-09-20. 
  5. ^ "GM taking some unusual risks in bringing its Chevrolet Cruze small car to market". cleveland.com. http://www.cleveland.com/business/index.ssf/2010/06/gm_taking_some_unusual_risks_i.html. Retrieved 2011-01-04. 
  6. ^ "Chevy squeezes more miles out of Cobalt" (Press release). Orlando Sentinel. 2008-09-14. http://www.orlandosentinel.com/classified/automotive/orl-ymtestdrive1408sep14,0,2545937.story. Retrieved 2008-09-20. 
  7. ^ "GM's Reconfigurable Performance Display an option for '09 Cobalt SS and HHR SS" (Press release). Motor Trend. 2008-08-26. http://wot.motortrend.com/6272668/technology/gms-reconfigurable-performance-display-an-option-for-09-cobalt-ss-and-hhr-ss/index.html. Retrieved 2008-09-20. 
  8. ^ "IIHS-HLDI: 2005–08 Chevrolet Cobalt – FRONTAL OFFSET TEST". Iihs.org. 2010-11-05. http://www.iihs.org/ratings/rating.aspx?id=226. Retrieved 2011-01-04. 
  9. ^ "IIHS-HLDI: 2005–07 Chevrolet Cobalt – SIDE IMPACT TEST WITHOUT OPTIONAL SIDE AIRBAGS". Iihs.org. 2009-09-18. http://www.iihs.org/ratings/rating.aspx?id=306. Retrieved 2011-01-04. 
  10. ^ "IIHS-HLDI: 2005–07 Chevrolet Cobalt – SIDE IMPACT TEST WITH OPTIONAL SIDE AIRBAGS". Iihs.org. 2009-09-18. http://www.iihs.org/ratings/rating.aspx?id=275. Retrieved 2011-01-04. 
  11. ^ a b "2008 Cobalt – Safety Features | Chevy Cobalt". Chevrolet. http://www.chevrolet.com/cobalt/safety/. Retrieved 2011-01-04. 
  12. ^ "Safercar.gov". Safercar.gov. http://www.safercar.gov/portal/search?model=8261. Retrieved 2010-04-22. [dead link]
  13. ^ "GM announces Cobalt recall" (Press release). The Vindicator. 2007-01-25. http://www4.vindy.com/content/local_regional/307174131201498.php. Retrieved 2008-09-20. 
  14. ^ Reuters (2010-03-02). "GM recalling 1.3 million vehicles over steering problems". Retrieved 2010-03-02.
  15. ^ http://media.gm.com/content/Pages/news/us/en/2010/Jan/0105_Dec_Sales/_jcr_content/iconrow/textfile/file.res/Deliveries%20December%2009.xls
  16. ^ "December 2010 Sales: General Motors – Cheers & Gears Forums". Cheersandgears.com. http://www.cheersandgears.com/topic/74944-december-2010-sales-general-motors/. Retrieved 2011-01-04. 

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