The 2015 Honda Civic EX uses a 1.8-liter inline-4 i-VTEC engine (R18A), delivering about 140 horsepower and 128 lb-ft of torque, paired with either a CVT automatic or a 5-speed manual transmission depending on the configuration.
Overview of the powerplant
The engine in the 2015 Civic EX is part of Honda’s reliable R-series, designed for smooth power delivery and good efficiency. It features i-VTEC with variable timing to optimize performance across driving conditions while keeping fuel economy within competitive levels for a compact sedan.
Key specifications
Key engine specifications for the 2015 Civic EX at a glance:
- Displacement: 1.8 liters
- Configuration: Inline-4 (I4) with i-VTEC
- Power output: around 140 hp
- Torque: around 128 lb-ft
- Transmission options: 5-speed manual or CVT automatic
These figures reflect typical configurations for the U.S.-market EX models in 2015; engines in other markets may vary slightly.
Performance and efficiency
With the 1.8L engine, the Civic EX balances adequate everyday acceleration with solid fuel economy. The CVT generally delivers better highway efficiency, while the 5-speed manual offers a more hands-on driving experience for enthusiasts.
Why this matters for buyers
Understanding the engine helps buyers gauge daily usability, maintenance needs, and expected fuel costs. The EX’s 1.8L engine is aimed at a blend of practicality and efficiency, distinct from the sportier Si model which uses a larger engine.
Summary
The 2015 Honda Civic EX is powered by a 1.8-liter inline-4 i-VTEC engine (R18A) delivering about 140 hp and 128 lb-ft of torque, with transmission options including CVT or a 5-speed manual depending on the build.