The 2004 Honda Civic LX uses a 1.7-liter inline-four engine from Honda's D-series family, typically the D17A2, delivering about 127 horsepower and roughly 114 lb-ft of torque. It was paired with either a 5-speed manual or a 4-speed automatic transmission.
Engine family and naming
Honda's D-series has long served as the backbone of small, economical Civic powertrains. For the 2004 Civic LX in the United States, the 1.7-liter engine is identified by the D17 family, with service literature commonly listing the US-spec version as D17A2. The design prioritizes reliability and efficiency for daily driving.
What the numbers mean
The engine displaces 1,697 cubic centimeters, runs with a four-cylinder layout, and is tuned to deliver about 127 horsepower at roughly 6,300 rpm and about 114 lb-ft of torque at around 4,500 rpm. This configuration allowed for a blend of adequate tractability and fuel economy, paired with available manual or automatic transmissions.
Market variations and notes
Across markets, there can be small differences in engine codes and emissions equipment. In North America, the LX trim typically used the 1.7-liter D17A2 engine, while other markets may refer to other D17 variants. Always check the vehicle's identification number (VIN) or service documents for the exact engine code on a specific car.
Summary
The 2004 Honda Civic LX is powered by a 1.7-liter inline-four (D17A2) engine that delivers about 127 horsepower and 114 lb-ft of torque, paired with either a manual or automatic transmission, reflecting Honda's emphasis on practical performance and reliability in that generation.