The 2003 Honda Accord with a four-cylinder engine typically produces about 166 horsepower.
In more detail, the 2003 Accord used a 2.4-liter inline-four with i-VTEC that is commonly rated at 166 hp for U.S. specifications, with torque around 160 lb-ft. Some markets or measurement standards can show small variations, but 166 hp is the standard figure you'll see for the 4-cylinder version in the U.S. model lineup.
Engine specifications and horsepower figures
Key figures for the 2003 Accord’s four-cylinder engine across common configurations.
- 2.4-liter inline-4 with i-VTEC: 166 horsepower at about 5,800 rpm
- Torque: ~160 lb-ft at about 4,000 rpm
- Transmission options: manual or automatic; horsepower rating remains in the 166 hp range in U.S. spec
Conclusion: For most 2003 Accord four-cylinder models sold in the United States, the engine is rated at 166 horsepower, with torque around 160 lb-ft. Exact numbers can vary slightly by market or transmission choice.
Context and notes
Understanding how horsepower is published helps interpret the figures. The 166 hp rating is the standard U.S. specification for the 2.4-liter four-cylinder engine. In overseas markets or earlier press materials, you might see slightly different numbers due to measurement standards or minor tuning variations.
Additional context
There are also V6 variants of the 2003 Accord that produce around 240 horsepower, but those are separate from the four-cylinder model discussed here.
Summary
The 2003 Honda Accord’s four-cylinder engine is typically rated at 166 horsepower, with about 160 lb-ft of torque. This figure is most commonly cited for U.S.-spec models across the standard LX/EX trims, with minor variations possible by market or gearbox choice.