The 2012 Honda Civic LX with a 1.8-liter engine delivers 140 horsepower.
In this model year, Honda used the 1.8-liter inline-four powerplant to drive the front wheels. The official figure is measured at the engine's crank and remains the same across the LX's available transmissions, providing a baseline for acceleration and overall performance.
Engine specifications
Below are the core numbers that define the LX's 1.8 L engine and its output.
- Engine: 1.8 L inline-4 (R18A1)
- Horsepower: 140 hp at 6,500 rpm
- Torque: 128 lb-ft at 4,600 rpm
- Transmission options: 5-speed manual or 5-speed automatic
These specifications reflect the factory rating for the U.S.-market Civic LX in 2012. Real-world performance can vary with drivetrain, gearing, and conditions.
Transmission options and their impact
The horsepower rating remains 140 hp regardless of transmission. However, the manual and automatic transmissions offer different driving experiences, with the manual providing more direct throttle response and control in certain scenarios, while the automatic emphasizes smoothness and ease of use in daily commutes.
Summary
In short, the 2012 Honda Civic LX 1.8 L delivers 140 horsepower from its 1.8-liter engine, backed by 128 lb-ft of torque. This configuration supports the Civic's reputation for efficient, reliable everyday performance, with output that remains consistent across the typical LX drivetrain options.


