The 2007 Chevy Cobalt offered three primary gasoline engines across its lineup: a 2.2-liter Ecotec inline-four as the standard option, an optional 2.4-liter Ecotec inline-four, and the high-performance Cobalt SS model featuring a 2.0-liter supercharged inline-four.
Engine options by trim
Below is a breakdown of the engines you could find in the 2007 Cobalt, depending on the model and options available that year:
- 2.2-liter Ecotec inline-four — standard on most base and mid-range trims (such as XE and LT).
- 2.4-liter Ecotec inline-four — available as an optional upgrade on certain trims, offering more power.
- 2.0-liter supercharged inline-four — used in the high-performance Cobalt SS (and SS variants) for boosted output.
The engine lineup ranged from efficient daily driving to higher performance variants, catering to different buyer priorities within the same model year.
Summary
For the 2007 Chevy Cobalt, the available engines were the 2.2L Ecotec as the standard option, a 2.4L Ecotec as an upgrade on select trims, and a 2.0L supercharged engine in the Cobalt SS for performance-minded buyers.