The 1998 Honda Civic could come with several 1.6-liter four-cylinder engines, depending on trim and market. In the U.S. lineup, base DX/LX Civics used a non‑VTEC 1.6-liter engine around 105 horsepower, EX models added a higher-output 1.6-liter with VTEC around 127 horsepower, and the performance-focused Civic Si used a 1.6-liter DOHC VTEC engine producing about 160 horsepower. Exact specs can vary by region and year, so checking the engine code is the best way to be sure.
Engine options by trim and market
Below is a concise breakdown of the typical engine setups you’d encounter on a 1998 Civic in the United States. Engines are part of Honda’s D-series for the base models and the B-series for the Si in that era. horsepower figures are approximate and can vary slightly by model year and market.
- DX/LX: 1.6-liter inline-four, non‑VTEC, roughly 105 horsepower.
- EX: 1.6-liter inline-four with VTEC, roughly 127 horsepower.
- Civic Si: 1.6-liter DOHC VTEC, roughly 160 horsepower.
Note that regional variations existed, and some markets used slightly different engine codes or tuning. For an exact match, verify the engine code on the engine block or consult the vehicle’s documentation.
How to identify your engine
To confirm the exact engine in a particular 1998 Civic, locate the engine code stamped on the engine block or the government/engine label under the hood. US Civic engines commonly include codes such as D16Y7 or D16Y8 for the base/EX trims and B16A2 for the Si. A VIN lookup or the original window sticker can also provide definitive information.
Summary
In short, a 1998 Honda Civic could be equipped with one of several 1.6-liter four-cylinder engines, with the base models around 105 hp, EX around 127 hp, and the Si around 160 hp. The exact engine depends on trim and market, so checking the engine code or documentation is the reliable way to know the precise specification for a given car.


