The horsepower of a 2005 Honda Civic depends on the trim you choose. In the United States, base DX/LX models carried about 115 horsepower, the EX around 127 horsepower, the sportier Si about 197 horsepower, and the Civic Hybrid offered roughly 110 horsepower combined. Other markets could show slight variations, but these figures cover the main US-spec configurations for 2005.
To understand the full picture, it helps to know how Honda split power across the 2005 Civic lineup. The 1.7-liter engine used in most non-Si models produced modest horsepower and torque, while the Si packed a larger, higher-revving 2.0-liter engine for peak performance. The hybrid blended a gas engine with an electric motor to achieve a combined figure. Below is a concise guide to the main trims and their horsepower ratings for the 2005 model year.
Trim-by-trim horsepower
The following summarizes the horsepower figures for the principal 2005 Civic configurations sold in the United States.
- 2005 Honda Civic DX/LX (1.7L SOHC D-series) — 115 hp at 6,000 rpm; 110 lb-ft of torque at 4,800 rpm.
- 2005 Honda Civic EX (1.7L DOHC i-VTEC D-series) — 127 hp at 6,600 rpm; 114 lb-ft of torque at 4,800 rpm.
- 2005 Honda Civic Si (2.0L DOHC i-VTEC K-series) — 197 hp at 7,000–7,500 rpm; 139 lb-ft of torque at 5,500 rpm.
- 2005 Honda Civic Hybrid (gas engine plus electric motor) — combined about 110 hp.
These figures reflect typical US-market specifications for the 2005 Civic lineup. Individual vehicles can vary slightly due to emissions tuning, gearing, and model year changes.
Market variations and performance context
Outside the United States, Honda sometimes adjusted horsepower ratings to meet local regulations or to suit different market demands. Additionally, raw horsepower is only part of the story; torque, weight, gearing, and drivetrain influence real-world performance and acceleration. For example, the Si’s higher horsepower is complemented by a lighter chassis and shorter gearing to deliver a distinctly sportier feel than the base models.
Summary
In short, the 2005 Civic offered a spread of horsepower from about 115 hp in the base DX/LX to around 127 hp in the EX, with a performance-focused Si at roughly 197 hp, and a hybrid version delivering about 110 hp combined. The exact figure depends on trim and market, but these numbers capture the official US specifications for that model year.


