Honda Civic Si EM1
The Honda Civic Si EM1, produced for the 1999 and 2000 model years, represents the golden era of naturally aspirated Honda performance in America. Powered by the B16A2 DOHC VTEC engine — one of the most celebrated four-cylinder engines ever produced — the EM1 Civic Si delivered a driving experience that was fundamentally different from anything else available at its price point.
The B16A2 was the star of the show. This 1.6-liter inline-four produced 160 horsepower at a stratospheric 7,600 rpm, with a screaming 8,200 rpm redline. Below the VTEC crossover point at approximately 5,800 rpm, the engine delivered adequate but unremarkable power. Above it, the cam profile switch transformed the engine's character entirely — breathing opened up, the exhaust note sharpened, and power built with an urgency that felt almost turbocharged. This dual-personality character became the defining trait of the VTEC experience and inspired a generation of enthusiasts.
The EM1 was based on the Civic Coupe body style, with exterior modifications including a front lip spoiler, rear wing, side skirts, and 15-inch alloy wheels. The visual changes were subtle enough to avoid attracting unwanted attention while signaling the car's sporting intent to those who knew what to look for. The Electron Blue Pearl color became so iconic for the EM1 that it remains the most sought-after and valuable color option today.
Handling was exceptional for a front-wheel-drive car of this era. The double wishbone rear suspension — a feature Honda would later abandon in favor of cheaper torsion beam setups — provided excellent geometry control and a progressive, predictable breakaway character. The car's light weight of just 1,089 kg meant that the relatively modest 160 horsepower felt much more than adequate, and the chassis could be driven enthusiastically on winding roads without overwhelming the available grip.
The interior received sport seats with more aggressive bolstering, a leather-wrapped steering wheel and shift knob, and a titanium-finish shift plate that complemented the close-ratio 5-speed manual. The shifter itself was characteristically Honda — short throws, precise gates, and a mechanical feel that made every shift a pleasure.
The EM1 Civic Si arrived at a transformative moment in the sport compact scene. It was affordable, reliable, responsive to modification, and delivered an engaging driving experience in stock form. It became a cornerstone of the import tuning culture that exploded in the late 1990s and early 2000s, and its legacy continues to influence Honda's approach to performance models.
Today, clean, unmodified EM1 Civic Sis are becoming genuinely collectible. The combination of the revered B16A2 engine, engaging chassis dynamics, lightweight construction, and iconic status in enthusiast culture has driven values steadily upward, particularly for low-mileage examples in the original Electron Blue Pearl color.
Finding an unmodified EM1 is increasingly difficult, as many were modified during the peak of the import tuning era. Check for evidence of previous modifications — drilled panels where wings or body kits were mounted, wiring harness splicing from aftermarket electronics, and engine bay signs of turbo or swap installations. The B16A2 engine is extremely reliable if well-maintained, but check for VTEC solenoid oil leak, timing belt condition (100,000-mile interval), and distributor cap issues. Inspect the rear wheel arches and sills for rust. The 5-speed transmission should shift cleanly through all gears — worn synchros (especially 3rd) are common on high-mileage examples. Electron Blue Pearl commands a significant color premium. Original window sticker and documented ownership history add substantial value.
Built at Honda's East Liberty, Ohio manufacturing plant. The EM1 Civic Si was exclusive to the North American market — Japan received the Civic SiR with the similar B16A engine, while Europe got the Civic VTi. The EM1 was produced only for the 1999 and 2000 model years before the seventh-generation Civic arrived with the less popular EP3 Si. The B16A2 engine was the US-spec version of the B16A, with slight differences in emissions equipment and output.