Chevrolet Cobalt Engines by Year

Chevrolet's Cobalt replaced the Cavalier for 2005 and ran through 2010. Every engine was a GM Ecotec four; the SS used a supercharged 2.0 until 2007 and a turbocharged 2.0 from 2008.

Pick a year to see every engine offered that model year, with its code, rated horsepower and the trims it came in. Each engine links to its full specs.

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Cobalt (2005–2010): 2005 · 2006 · 2007 · 2008 · 2009 · 2010

Cobalt (2005–2010)

The Ecotec 2.2 and 2.4, and the supercharged, then turbocharged, 2.0 in the SS.

2005 Cobalt engines

Engine	Rated	Offered in
2.0L / 122 inline-four supercharged (LSJ)	205 hp net	SS Supercharged coupe
2.2L / 134 inline-four (L61)	145 hp net	Base, LS, LT

2006 Cobalt engines

Engine	Rated	Offered in
2.0L / 122 inline-four supercharged (LSJ)	205 hp net	SS Supercharged coupe
2.2L / 134 inline-four (L61)	145 hp net	LS, LT, LTZ
2.4L / 145 inline-four (LE5)	171 hp net	SS coupe, SS sedan

2007 Cobalt engines

Engine	Rated	Offered in
2.0L / 122 inline-four supercharged (LSJ)	205 hp net	SS Supercharged coupe
2.2L / 134 inline-four (L61)	148 hp net	LS, LT, LTZ
2.4L / 145 inline-four (LE5)	173 hp net	SS coupe, SS sedan

2008 Cobalt engines

Engine	Rated	Offered in
2.0L / 122 inline-four turbo (LNF)	260 hp net	SS coupe
2.2L / 134 inline-four (L61)	148 hp net	LS, LT, LTZ, XFE
2.4L / 145 inline-four (LE5)	171 hp net	Sport coupe, Sport sedan

2009 Cobalt engines

Engine	Rated	Offered in
2.0L / 122 inline-four turbo (LNF)	260 hp net	SS coupe, SS sedan
2.2L / 134 inline-four (LAP)	155 hp net	LS, LT, XFE

2010 Cobalt engines

Engine	Rated	Offered in
2.0L / 122 inline-four turbo (LNF)	260 hp net	SS coupe
2.2L / 134 inline-four (LAP)	155 hp net	LS, LT, XFE

Working on one of these engines?

• Engine displacement from bore and stroke
• Static and dynamic compression ratio
• Which camshaft for your build
• What size carburetor
• Horsepower to torque at any RPM
• Torque converter stall speed

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