The 2012 Honda Civic Si uses a six-speed manual transmission. There was no automatic option for the Si in the U.S. market that year.
As part of the ninth-generation Civic lineup, the Si was designed for enthusiasts who prefer a hands-on driving experience. It pairs a 2.4-liter i-VTEC engine with a close-ratio six-speed manual gearbox to deliver a sporty, engaging shift feel.
Transmission specifics
Below are the core details you should know about the transmission on the 2012 Civic Si. The list highlights the drivetrain configuration and key features.
- Transmission: 6-speed manual (6MT)
- Drivetrain: Front-wheel drive (FWD)
- Clutch: Hydraulic clutch pedal for engagement
- Gearset: Close-ratio manual gearing tuned for sporty driving
- Engine pairing: 2.4-liter i-VTEC K24Z3 engine producing around 201 horsepower
Note: The Si's manual transmission was the sole transmission option in the U.S. for the 2012 model year. Some markets outside the U.S. also offered manual transmissions; no automatic was available for the Si in those regions either.
Summary
In short, the 2012 Honda Civic Si is equipped with a six-speed manual transmission only, delivering a focused, driver-oriented experience without an automatic option.


