The 2012 Honda Civic Si has 201 horsepower (SAE net).
This power comes from a 2.4-liter i-VTEC engine paired with a six-speed manual transmission, delivering a high-revving, sporty character that Honda aimed for with the Si variant. The peak torque is approximately 172 lb-ft, available at mid-range revs to support quick, spirited driving in a compact package.
Engine and performance details
The Si in 2012 uses a larger 2.4-liter engine that replaces the earlier 2.0-liter setup, focusing on high-rev performance and responsive throttle that suits a sporty hatchback profile.
Key specifications of the 2012 Civic Si include the following:
- Engine: 2.4-liter i-VTEC K24Z3
- Power: 201 hp at 7,000 rpm (SAE net)
- Torque: 172 lb-ft at 4,500 rpm
- Transmission: 6-speed manual
- Redline: 8,000 rpm
Note: Real-world performance can vary with vehicle condition, drivetrain setup, and environmental factors. The figure above reflects Honda's official specification for the model year.
Why it matters for enthusiasts
With 201 hp on tap, the 2012 Civic Si offered a meaningful upgrade over the base Civic models, delivering a more energetic driving experience thanks to a high-revving engine, precise manual gear shifting, and nimble handling that aligned with Honda's performance-oriented ethos.
The Si’s combination of power, gearing, and chassis tuning creates a distinctive balance in the compact segment, appealing to drivers who value engaging, driver-focused dynamics in a practical daily-driver package.
Summary
In short, the 2012 Honda Civic Si delivers 201 horsepower (SAE net) from its 2.4-liter engine, paired with 172 lb-ft of torque and a 6-speed manual transmission. This setup gives the Si a lively, rev-happy character well-suited to spirited driving in a compact, affordable package.


