What kind of engine does a 2004 Chevy Cavalier have?
The 2004 Cavalier mostly uses a 2.2-liter inline-4 Ecotec engine as standard, with an optional 2.4-liter inline-4 DOHC engine available on specific trims. Both engines are four-cylinder, front-wheel-drive configurations, and transmission choices varied by model year and trim.
Engine options in the 2004 Cavalier
The Cavalier offered two four-cylinder engine options during this model year. The selection depended on trim level and market, with the 2.2-liter Ecotec being the most common, and a 2.4-liter DOHC option appearing on higher-trim configurations.
- 2.2-liter inline-4 Ecotec (a widely used GM engine family) — standard on most base models
- 2.4-liter inline-4 DOHC inline-4 — optional on select higher trims
Both engines were designed for front-wheel drive and were paired with a range of transmissions, typically including a manual option on some configurations and an automatic option on others. For a given car, the exact engine can depend on production date, trim, and regional market.
How to identify your engine
To confirm which engine powers a specific 2004 Cavalier, use these checks. They help distinguish between the two common engines without relying on memory of a trim label alone.
- Check the engine code stamped on the engine block or on the emissions label under the hood (e.g., 2.2L vs 2.4L).
- Inspect the VIN and cross-reference with the vehicle’s original documentation or a VIN lookup tool to confirm the factory engine code.
- Look at the intake manifold design and cylinder head configuration; the 2.4L DOHC typically has dual overhead cams, while the 2.2L Ecotec design differs in details.
If you’re still unsure, a quick visit to a dealer or a trusted mechanic with the VIN can verify the exact engine in your specific car.
Summary
In summary, a 2004 Chevy Cavalier is most commonly equipped with a 2.2-liter inline-4 Ecotec engine, with an optional 2.4-liter inline-4 DOHC engine available on certain trims. Both engines power a front-wheel-drive setup, and the exact configuration varies by trim, market, and production date. Checking the engine block code or VIN will confirm the precise engine in a given vehicle.
