The 2015 Honda Civic EX uses a 1.8-liter engine.
In more detail, the EX’s 1.8-liter inline-four uses Honda’s i-VTEC technology and delivers about 143 horsepower and 129 pound-feet of torque. This engine is part of Honda’s R18 family and was the standard powerplant for the EX trim in that model year, typically paired with a choice of transmission configurations depending on the market and package.
Engine size and configuration
The Civic EX’s engine displacement is 1.8 liters, arranged as an inline four-cylinder. It employs Honda’s i-VTEC technology and is part of the R18 engine family that powered several Civic models around that period.
Performance snapshot
Key performance figures for the 1.8-liter engine include approximately 143 horsepower and 129 lb-ft of torque, with peak output arriving in the mid-range of the rpm band. These numbers reflect the engine’s design emphasis on a balance of daily usability and efficiency.
What this means for drivers
For buyers, the 1.8L engine in the 2015 Civic EX offered solid everyday acceleration, responsive highway merging, and respectable fuel efficiency for its class, aligning with Honda’s reputation for dependable, easier-to-drive compact cars.
Summary
In short, the 2015 Honda Civic EX is equipped with a 1.8-liter inline-four engine that produces about 143 horsepower and 129 lb-ft of torque. This setup provided a balanced blend of performance and efficiency that characterized the EX trim in that year.


