The 2003 Rodeo is powered by a 3.2-liter V6 engine. This is the standard gasoline powerplant for most model configurations in that year.
In the United States and many other markets, the 2003 Isuzu Rodeo carried a 3.2-liter V6 as its sole gasoline engine option. International variants and certain export versions historically offered different engines, but the 3.2L V6 was the typical setup for the common Rodeo of that era.
Engine options by market
North America
The US-spec 2003 Rodeo was equipped with a 3.2-liter V6 engine, paired with the model's standard drivetrain options.
Export markets
Some overseas markets offered alternative engines or configurations. Always check the specific vehicle’s VIN or sales documentation to confirm the exact powerplant for a given Rodeo in a particular country or year.
Summary
Summary: For the 2003 Isuzu Rodeo, the engine most commonly found is a 3.2-liter V6. If you are evaluating a used Rodeo from that year, verify the engine via VIN or service records to confirm the exact configuration for your region.