The 2000 Honda Civic Si uses a 1.6-liter inline-four with DOHC VTEC, belonging to Honda’s B-series family. In the US, the Si is equipped with the B16A3 variant, delivering about 160 horsepower.
Context: The 2000 Civic Si is a sixth-generation, performance-oriented Civic offered in North America. Its engine choice reflects Honda’s VTEC approach—high-revving, small-displacement power aimed at responsive throttle feel and spirited driving dynamics.
Engine family and identification
Honda’s B-series engines are a family of 1.6–1.8-liter inline-fours known for VTEC and high-revving performance. For the 2000 Civic Si, the US-market configuration is commonly cited as the B16A3 variant. This section summarizes the key identifiers and specifications.
- Engine code: B16A3 (US market; part of the B-series lineage)
- Displacement: 1.6 L (1595 cc)
- Configuration: Inline-4, DOHC, VTEC
- Induction: Naturally aspirated
- Power: ~160 hp (SAE net) at ~7,800–8,000 rpm
- Torque: ~111 lb-ft (151 Nm) at ~7,000 rpm
- Compression ratio: ~10.2:1
- Fuel system: Multi-point fuel injection
- Transmission: 5-speed manual (standard for Si; no automatic option in this trim)
Note: Exact figures can vary slightly by market and model year, but the US 2000 Civic Si commonly follows these specs for the B16A3 engine.
Performance and driving notes
High-revving characteristics
The B16A family engines are renowned for their high-revving nature, with peak power arriving at the upper end of the RPM range and a VTEC-driven torque boost at higher revs. This contributed to the Si’s energetic acceleration, distinct engine sound, and performance-oriented handling characteristics.
In summary, the 2000 Civic Si’s powerplant is a 1.6-liter DOHC VTEC inline-four (B16A3 in the US), producing about 160 horsepower and 111 lb-ft of torque, paired with a 5-speed manual transmission.
Summary
The 2000 Civic Si uses Honda’s 1.6-liter B-series engine, specifically the B16A3 variant in the US market. It’s a high-revving, VTEC-equipped four-cylinder that delivers around 160 hp, delivering a sporty driving experience characteristic of Si models from that era.


