The 2008 Civic Si uses a 2.0-liter inline-four i-VTEC engine, Honda’s K-series powerplant code-named K20Z3, delivering about 197 horsepower and 139 lb-ft of torque. It is paired with a six-speed manual transmission for a sport-oriented driving experience.
This article explains the engine’s code, core specifications, and how it contributed to the Si’s performance profile for that model year.
Engine family and code
The 2008 Civic Si belongs to Honda’s widely used K-series of engines, known for their high-revving nature and tuning potential. In the Si, Honda uses the K20Z3 variant, optimized for performance with improved intake flow and exhaust characteristics compared with the base Civic engines.
Key specifications
Below are the core numbers that define the engine’s performance and capabilities. These points provide a quick reference for owners, enthusiasts, and restorers.
- Displacement: 2.0 L (1998 cc)
- Configuration: Inline-4
- Valvetrain: DOHC i-VTEC
- Power: 197 hp at 7,000 rpm
- Torque: 139 lb-ft at 6,500 rpm
- Engine code: K20Z3
- Redline: 8,000 rpm
- Fuel system: Sequential multipoint fuel injection
These specifications collectively define the Si’s characteristic high-revving, responsive performance and its place within the 2008 Civic lineup.
Performance context
With a close-ratio six-speed manual and a tuned chassis, the 2008 Civic Si emphasizes a sporty, engaging drive. The K20Z3’s power is delivered across a broad rev range, making the car feel lively in corners, on winding roads, and during spirited acceleration.
Summary
The 2008 Honda Civic Si is powered by a 2.0-liter inline-four i-VTEC engine, the K20Z3, delivering 197 horsepower and 139 lb-ft of torque, paired with a six-speed manual to give the Si its distinctive, high-revving performance character for that model year.