The eighth-generation 2009 Honda Civic LX uses Honda's reliable 1.8-liter engine across most non-Si trims, providing a good balance of efficiency and everyday performance.
The 2009 Honda Civic LX uses a 1.8-liter inline-4 i-VTEC engine (engine code R18A1), delivering around 140 horsepower and 128 lb-ft of torque, with a choice of a 5-speed manual or a 5-speed automatic transmission depending on the model and market.
Engine specifications
Key specifications for the LX's powertrain are listed below for quick reference.
- Engine type: 1.8-liter inline-4 i-VTEC
- Displacement: 1,798 cc (about 1.8 L)
- Power: around 140 hp
- Torque: around 128 lb-ft
- Valvetrain: i-VTEC, DOHC (dual overhead cam)
- Transmission options: 5-speed manual or 5-speed automatic
The engine is designed for balance between efficiency and performance, distinguishing the LX from the higher-performance Si (which uses a 2.0-liter engine).
Additional context
In the US market, the LX trims share their engine with EX and DX trims, while the Si variant uses a different, more powerful K-series engine. The Civic's 1.8L powerplant was well-regarded for reliability and smooth power delivery in daily driving.
Summary: The 2009 Honda Civic LX is powered by a 1.8-liter inline-4 i-VTEC engine (R18A1) producing about 140 hp and 128 lb-ft, paired with a 5-speed manual or automatic transmission depending on configuration.


