Chevrolet Cobalt SS
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Chevrolet Cobalt SS | |
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GM Delta platform /GMX001 | |
Related |
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Powertrain | |
Curb weight | 2,815 lb–3,001 lb (1,277 kg–1,361 kg) |
The Chevrolet Cobalt SS comprises three
The Cobalt SS was GM's first foray into the
The Cobalt SS received generally positive reviews, particularly the turbocharged and supercharged versions. In a 2013 review, journalist Patrick George called it the best compact car ever made by General Motors, and a potential "future classic".[2] At first release in 2004, the supercharged version was praised for its performance but drew criticism for its interior quality and exterior styling, both described as too reminiscent of its predecessor, the Cavalier. Reports surfaced in May 2009 that General Motors planned to eliminate the Cobalt SS as early as December 2009, but they proved to be untrue.[3][4] Production continued but ordering options for late 2010 models were limited and production of all Cobalts ended in June 2009. The car was replaced by the Cruze,[5] but a high performance version comparable to the Cobalt SS was never built and the Cruze ended production for the North American market in 2019.[6]
Model details
Overview
General Motors used five different inline-four engines in the Cobalt over the course of production, and designated three as SS models. The first was launched in 2004 as a 2005 model with a new powertrain that had debuted one year earlier on the Saturn ION Red Line. It was available as a Supercharged coupe only. The naturally aspirated 2.4 L LE5 engine was the next SS to launch in late 2005 as a 2006 model, available as both a coupe and sedan for the duration of its run.[7][8] However, in late 2007, at the same time the announcement cancelling the SS Supercharged was made, GM also announced that the 2.4 L would be renamed "Cobalt Sport", rendering Chevrolet without a Cobalt SS for the first half of the 2008 model year. The 2.0 L LNF turbocharged Cobalt was the last to launch in the second quarter of 2008. It was initially available only as a coupe until a sedan option was offered for the 2009 model year but again deleted for 2010 after less than 500 were produced.[9]
All three models of the Cobalt SS feature four wheel, anti-lock disc brakes. Compared to the base Cobalt, the SS has lower front and rear fascias for a more aggressive look with integrated fog lights, side rocker moldings, interior accents, and a chrome exhaust tip. Exclusive to the 2.0 L Cobalt are a titanium‑faced sport analogue cluster with a 160 mph (260 km/h in Canada) speedometer, an A‑pillar mounted boost gauge, reclining front bucket seats with two‑tone leather‑appointed seating surfaces, vertical adjusting head restraints and driver‑side lumbar and height adjusters, and a sport‑tuned FE5 suspension with a 24 mm front stabilizer bar and 22 mm rear stabilizer bar.[7]
SS Supercharged
Available as a coupe only, the SS Supercharged featured the 2.0 L
GM offered dealer-installed performance upgrade packages called "stage kits" that were covered by factory warranty.[12] The Stage 1 kit consists of new fuel injectors and a reprogram of the ECU, and yields up to a 30 hp (22 kW) improvement. The Stage 2 kit consists of new fuel injectors and the same reprogram with a smaller serpentine belt and pulley for the supercharger, producing a 36 hp (27 kW) improvement and 18 lb⋅ft (24 N⋅m) of torque. Both stage 1 and 2 kits increase the engine redline to 7,000 rpm.[12] The Stage 3 kit consists of a smaller, 76 mm (3.0 in) supercharger pulley, a 2‑pass intercooler end plate and a customizable replacement ECU. The Stage 3 ECU allows for the use of a 50‑shot of nitrous, 100 octane fuel and an adjustable redline from 6,750 to 8,000 rpm. Stage 3 produces 248 hp (185 kW) using 93 octane fuel, up 260 hp (194 kW) using 100 octane fuel, and much higher power with nitrous. Stage 3 is for track use only, and to emphasize this, air conditioning is disabled with the Stage 3 ECU.[12]
Wheel hop, wheelspin, and a general lack of traction were problems frequently encountered with the supercharged Cobalt due to its front drive setup and relatively high torque. Upgraded front and rear trans and motor mounts would help to alleviate these issues.[13] The GM Performance Division later tried to rectify these problems in the turbocharged car by providing wider, stickier tires and stronger axles.[14]
SS Turbocharged
The LSJ engine did not meet emissions requirements for the 2008 model year, and General Motors' contract with Eaton had expired.
Also new for the 2008 SS were SS-embroidered sport seats with suede-like UltraLux inserts, several new exterior colors, and wider 18-inch (460 mm) forged, split-spoke wheels with P225/40R18
New for 2009 was the aforementioned four-door sedan option, as well as an optional "reconfigurable performance display" (RPD) for the coupe only.[20] The $295 option replaced the boost gauge in the A‑pillar, and allows the driver to manipulate traction control, stability control, "shift points", and the engagement of Competition Mode, as well as information regarding the car's engine torque and horsepower, g‑force, boost, wideband air fuel ratio, barometric pressure, temperature, and battery voltage.[20] For 2010, the RPD and a power sunroof were standard. The red/ebony and grey/ebony interior color options were also dropped, as was the turbocharged sedan.[21]
A stage 1 kit which raises power to 290 hp (216 kW) and 340 lb⋅ft (461 N⋅m) was made available in October 2009 after several delays. The kit can be installed by the owner of the car, but final alteration of the vehicle's engine control unit must take place at a GM dealer.[12]
SS Naturally aspirated
Chevrolet introduced a naturally aspirated Cobalt SS in the fall of 2005 as a 2006 model, available as both a coupe and sedan. It featured the 2.4 LE5 engine with
Other changes over the supercharged car are notable but not drastic; 17‑inch broad spoke wheels with narrower P205/50R17 all‑season
Chevrolet Cobalt SS Performance | |||
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SS Naturally-aspirated w/ 5-speed manual |
SS Supercharged | SS Turbocharged | |
0-60 mph (0-96.5 km/h) |
7.1 seconds |
5.9 seconds |
5.5 seconds
|
1⁄4 mile | 15.6 at 90 mph (140 km/h) |
14.4 at 100 mph (160 km/h) |
13.9 at 103 mph (166 km/h)
|
Top speed* | 129 mph (208 km/h) |
158 mph (254 km/h) |
155 mph (249 km/h)
|
*As electronically limited by the vehicle's engine control unit. |
Chevrolet Cobalt SS Specifications | |||
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SS Naturally-aspirated | SS Supercharged | SS Turbocharged | |
Overview | |||
Driveline | Five-passenger, front-engine, front-drive coupe | ||
Five-passenger, front-engine, front-drive sedan | Five-passenger, front-engine, front-drive sedan | ||
Construction | Unitized body frame, one- and two-sided galvanized steel | ||
Chassis/Suspension | |||
Front | Independent strut-type suspension with 22m stabilizer bar | MacPherson independent strut-type with direct acting, 24mm solid stabilizer bar | |
Rear | Semi-independent torsion beam with 22mm stabilizer bar | Semi-independent torsion beam with montoube gas shocks; 24mm solid stabilizer bar | |
Steering type | Electric, power-assisted variable-speed rack-and-pinion | ||
Steering ratio | 16.63:1 | 14.8:1 | |
Turning circle | 37.4 ft (11.4 m) | 33.5 ft (10.2 m) | 39.4 ft (12.0 m) |
Brakes | |||
Type | Power-assisted four-wheel disc with standard anti-lock | Power-assisted four-wheel disc with standard anti-lock; 38mm Brembo four-piston fixed callipers in front and 40mm single-piston rear callipers | |
Rotor diameter | f: 11.6 in (290 mm) r: 10.6 in (270 mm) |
f: 12.4 in (310 mm) r: 11.5 in (290 mm) | |
Rotor thickness | f: 1.02 in (26 mm) r: 0.55 in (14 mm) |
f: 1.02 in (26 mm) r: 0.79 in (20 mm) | |
Wheels/Tires | |||
Wheel size and type | 17 x 7-inch broad-spoke polished aluminum | 18 x 7-inch broad-spoke painted or high-polished aluminum | 18 x 7.5-inch split-spoke forged aluminum |
Tires | P205/50R17 performance | P215/45ZR18 performance | P225/40ZR18 high-performance summer only |
Engines | |||
Type | I4 VVT
|
I4
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I4 DI VVT
|
Displacement | 2.4 L (2,376 cc or 145 cu in) | 2.0 L (1,999 cc or 122 cu in) | 2.0 L (1,998 cc or 122 cu in) |
Bore and stroke | 88 mm x 98 mm (3.46 in x 3.85 in) |
86 mm × 86 mm (3.39 in × 3.39 in) | |
Cylinder head material | Cast aluminum | ||
Block material | |||
Valvetrain | Dual overhead camshafts, 4 valves per cylinder; dual continuous variable valve timing | Dual overhead camshafts, 4 valves per cylinder | Dual overhead camshafts, 4 valves per cylinder; dual continuous variable valve timing |
Fuel delivery | Sequential multi-port fuel injection with high-flow injectors and electronic throttle control | Direct-injection with a variable high-pressure rail and electronic throttle control | |
Compression | 10.4:1 | 9.5:1 | 9.2:1 |
Horsepower | 171 hp (128 kW) at 6,200 rpm | 205 hp (153 kW) at 5,600 rpm | 260 hp (190 kW) at 5,300 rpm |
Torque | 163 lbf⋅ft (221 N⋅m) at 5,000 rpm | 200 lbf⋅ft (270 N⋅m) at 4,400 rpm | 260 lbf⋅ft (350 N⋅m) at 2,000 rpm |
Hp (stg 1) | 236 hp (176 kW) | 280 hp (210 kW) | |
Tq (stg 1) | 205 lbf⋅ft (278 N⋅m) | 320 lbf⋅ft (430 N⋅m) | |
Hp (stg 2) | 241 hp (180 kW) | ||
Tq (stg 2) | 218 lbf⋅ft (296 N⋅m) | ||
Fuel | Premium recommended but not required | ||
Max engine speed | 6750 rpm | 6450 rpm | 6300 rpm |
Fuel economy (city) | 25 mpg‑US (9.4 L/100 km; 30 mpg‑imp) | 23 mpg‑US (10 L/100 km; 28 mpg‑imp) | 22 mpg‑US (11 L/100 km; 26 mpg‑imp) |
Fuel economy (hwy) | 34 mpg‑US (6.9 L/100 km; 41 mpg‑imp) | 29 mpg‑US (8.1 L/100 km; 35 mpg‑imp) | 30 mpg‑US (7.8 L/100 km; 36 mpg‑imp) |
Transmission | |||
Manual | Getrag F23 5-speed manual | F35 5-speed manual
| |
Automatic | 4T45 4-speed automatic | ||
Dimensions | |||
Length (coupe) | 180.3 in (4,580 mm) | ||
Length (sedan) | 180.5 in (4,580 mm) | 180.5 in (4,580 mm) | |
Width | 67.9 in (1,720 mm) | ||
Height (coupe) | 55.7 in (1,410 mm) | ||
Height (sedan) | 57.1 in (1,450 mm) | 57.1 in (1,450 mm) | |
Front track (coupe) | 57.1 in (1,450 mm) | ||
Front track (sedan) | 58.6 in (1,490 mm) | 58.6 in (1,490 mm) | |
Rear track | 58.1 in (1,480 mm) | ||
Curb weight (coupe) | 2,815 lb (1,277 kg) | 2,925 lb (1,327 kg) | 2,975 lb (1,349 kg) |
Curb weight (sedan) | 2,871 lb (1,302 kg) | 3,001 lb (1,361 kg) | |
Weight balance (coupe) | 60% front, 40% rear | ||
Weight balance (sedan) | 59% front, 41% rear | 59% front, 41% rear | |
Seating capacity | 2 front, 3 rear | ||
Cargo volume | 13.9 cubic feet (0.39 m3) | ||
Fuel tank | 13.2 US gallons (11.0 imp gal; 50 L) |
Reception
Reviews of the supercharged Cobalt SS were generally positive. While the Cavalier received very negative reviews,
Combined with the flexible engine, and especially considering the price, this is a really fine effort, a good package for a front-drive car. Much more refined than the Shelby GT500KR.[27]
Randy Pobst on the Cobalt SS Turbocharged
The powertrain of the 2008 turbocharged Cobalt SS received rave reviews. John Neff of Autoblog said, "The GM Performance Division completely reworked the Cobalt SS for 2008, swapping in a more powerful turbocharged engine, upgrading the rest of the mechanicals, and tweaking the entire package on the world's most demanding race tracks, including the famed Nürburgring in Germany. The result is – and we're not kidding here – the most impressive performance car to wear a bow-tie badge on sale today." Journalists were impressed with the performance of the car in relation to the price; Neff added that the "2009 Cobalt SS Turbo is freakishly good at going fast and the best bang for the buck value below $30,000."
The
See also
- Chevrolet Cobalt
- GM Performance Division
References
- ^ Niquette, Mark (April 20, 2014). "Cobalt woes stir concern in Lordstown". The Columbus Dispatch. Archived from the original on November 8, 2016. Retrieved November 8, 2016.
Lordstown Assembly Plant in northeastern Ohio, where the Cobalt was made...
- ^ George, Patrick (August 2, 2013). "Why The Chevrolet Cobalt SS Is A Future Classic". Jalopnik. Archived from the original on February 25, 2016. Retrieved November 8, 2016.
- ^ "Chevrolet Impala SS, Cobalt SS, and HHR SS Models Dead". Car and Driver. May 2009. Archived from the original on March 10, 2016. Retrieved May 11, 2009.
- ^ "GM Kills High-Performance Trims for 2010". KickingTires. May 8, 2008. Archived from the original on March 8, 2016. Retrieved May 11, 2009.
- ^ Priddle, Alisa (July 8, 2008). "2011 Chevrolet Cruze". Car and Driver. Hachette Filipacchi Media. Archived from the original on November 12, 2011. Retrieved July 8, 2010.
- Autoblog.com. August 21, 2008. Archivedfrom the original on July 27, 2009. Retrieved October 30, 2008.
- ^ a b c d e f g "2006 Chevrolet Cobalt". General Motors. August 1, 2005. Archived from the original on February 15, 2016. Retrieved October 18, 2008.
- ^ Edmunds.com. 2007. Archived from the originalon April 26, 2009. Retrieved October 10, 2008.
- ^ "08-09 Cobalt SS Turbo Color Breakdown". GMTunersource.com. 2009. Archived from the original on July 11, 2011. Retrieved September 25, 2009.
- BusinessWeek. December 28, 2005. Archived from the originalon April 26, 2009. Retrieved October 10, 2008.
- ^ "2007 Chevrolet Cobalt". General Motors. Archived from the original on January 14, 2016. Retrieved October 28, 2008.
- ^ a b c d "Cobalt Stage Kits & Stage Kit Accessories". Crate Engine Depot. Archived from the original on April 16, 2016.
- ^ a b Gardner, Andrew (March 21, 2006). "Cobalt SS Supercharged Provides Fantastic Four-Banger Fun". Motorsportscenter.com. Archived from the original on March 3, 2016. Retrieved October 14, 2008.
- ^ Autoblog. Archivedfrom the original on February 2, 2016. Retrieved October 10, 2008.
- ^ a b Johnson, Erik (2008). "2008 Chevrolet Cobalt SS - First Drive Review". Car and Driver. Archived from the original on November 7, 2011. Retrieved October 10, 2008.
- The Vindicator. Archived from the originalon March 4, 2016. Retrieved October 10, 2008.
- ^ "New Chevy Cobalt XFE Delivers 'Xtra' Fuel Economy..." General Motors. April 29, 2008. Archived from the original on February 15, 2016. Retrieved October 19, 2009.
- ^ "2007 Pontiac Solstice". General Motors. Archived from the original on December 9, 2007. Retrieved October 10, 2008.
- ^ a b Kiino, Ron (March 7, 2008). "Quick Test: 2008 Chevrolet Cobalt SS". Motor Trend. Archived from the original on November 8, 2016. Retrieved October 10, 2008.
- ^ a b Gale, Zach (August 26, 2008). "GM's Reconfigurable Performance Display an option for '09 Cobalt SS and HHR SS". Motor Trend. Archived from the original on April 6, 2016. Retrieved October 13, 2008.
- ^ "2010 Cobalt Ordering Guide". General Motors. Archived from the original on April 27, 2009. Retrieved April 14, 2009.
- About.com. Archivedfrom the original on April 27, 2009. Retrieved October 28, 2008.
- ^ Blackett, Thom (2005). "Chevy is anything but cavalier with its new supercharged coupe". CarSmart.com. Archived from the original on May 11, 2012. Retrieved October 10, 2008.
- ^ Straub, Alexandra (September 15, 2005). "2005 Chevrolet Cobalt SS Road Test". Auto123.com.
...the deck-lid spoiler was directly in my line-of-sight when looking out of the rearview mirror. It's almost like it cut everything in half...
- ^ a b Neff, John (October 13, 2008). "In the Autobog Garage: 2009 Chevy Cobalt SS Turbo production". Autoblog. Archived from the original on January 22, 2009. Retrieved October 15, 2008.
The result is – and we're not kidding here – the most impressive performance car to wear a bow-tie badge on sale today.
- ^ "2007 Chevrolet Cobalt SS Supercharged Road Test". Automobile.com. 2006. Archived from the original on April 27, 2009. Retrieved October 27, 2008.
- ^ Markus, Frank; St. Antoine, Arthur; Stone, Matt (2009). "America's Best Handling Car: Track Testing". Motor Trend. Archived from the original on March 12, 2016. Retrieved October 24, 2009.
- ^ Gall, Jared (2008). "2009 Chevrolet Cobalt SS Sedan - Short Take Road Test". Car and Driver. Archived from the original on March 31, 2009. Retrieved November 12, 2008.
- ^ "LL1: 2008 Chevrolet Cobalt SS; The Lightning Lap, 2008". Car and Driver. 2008. Archived from the original on December 4, 2008. Retrieved October 10, 2008.
- ^ "2018 Honda Civic Type R at Lightning Lap 2018". Car and Driver. September 2018. Archived from the original on September 24, 2018. Retrieved September 24, 2018.
- Grand American Road Racing Association. 2009. Archived from the originalon July 11, 2011. Retrieved August 30, 2009.
External links
- 2008 Cobalt SS - GM promotional video
- 2010 Cobalt SS Turbocharged review
- 2008 Cobalt SS launch control demonstration