The 2018 Honda Civic 2.0-liter engine produces 158 horsepower.
In the broader Civic lineup for 2018, Honda offered two primary powertrains: a naturally aspirated 2.0-liter inline-4 that makes 158 hp, and a turbocharged 1.5-liter inline-4 that makes about 174 hp. The 2.0-liter engine is found in the base LX through EX trims, while the 1.5-liter turbo powers higher trims and sportier variants.
Engine options in the 2018 Civic
The following summarizes the horsepower figures for the two engines available in the 2018 Civic lineup.
- 2.0 L I4: 158 horsepower
- 1.5 L turbocharged I4: 174 horsepower
For owners and potential buyers focused specifically on the 2.0-liter engine, the key takeaway is that its output sits at 158 hp across the traditional LX/EX/EX-L configurations, with torque typically around 138 lb-ft. The turbocharged 1.5-liter option, by contrast, delivers higher peak horsepower and a different torque curve, affecting acceleration feel and efficiency depending on transmission choice.
Implications for drivers
Choosing between the 2.0 and 1.5 turbo engines in the 2018 Civic comes down to driving style and needs. The 2.0 provides steady, reliable power suitable for daily commuting, while the 1.5 turbo offers more punch for highway merging and spirited driving, at the cost of typically higher fuel consumption depending on conditions.
Summary
In short, the 2018 Honda Civic 2.0 is rated at 158 horsepower, making it the standard, naturally aspirated option in the lineup. The Civic also offered a more powerful 1.5-liter turbo variant at about 174 horsepower, giving buyers a choice between smooth, consistent power and a higher-output turbocharged experience.