The 2009 Malibu offered two engine choices: a 2.4-liter Ecotec inline-4 and an optional 3.5-liter V6.
In the U.S. market, the Malibu's engine lineup varied by trim level. The four-cylinder was the standard option on base models, delivering a balance of fuel economy and practicality, while the V6 provided stronger acceleration for higher trims. The selections reflect GM's strategy to offer a more efficient sedan with an optional performance upgrade. The following sections outline what each engine is and the key specs you might expect to find on a 2009 Malibu you’re shopping for or restoring.
Engine options for the 2009 Malibu
2.4L Ecotec inline-4
Before listing the specifications, note that the 2.4L engine is the standard four-cylinder option on most 2009 Malibu trims and is known for efficiency and smooth operation.
- Displacement: 2.4-liter (approximately 146 cubic inches)
- Horsepower: about 164 hp
- Torque: about 160 lb-ft
- Valvetrain: DOHC with variable valve timing
- Transmission: typically paired with a GM four-speed automatic transmission
- Notes: part of GM's Ecotec family; tuned for mid-range power and efficiency
In practice, the 2.4L engine aimed to deliver adequate performance for daily commuting, with improved fuel economy compared with the V6 option.
3.5L V6
For drivers who wanted more power, the 2009 Malibu offered a 3.5-liter V6 engine as an option on higher trims.
- Displacement: 3.5-liter V6
- Horsepower: around 219 hp
- Torque: around 214 lb-ft
- Valvetrain: DOHC with variable valve timing
- Transmission: typically paired with a GM four-speed automatic transmission
- Notes: provides stronger acceleration and smoother highway performance; performance-oriented trims may emphasize this option
Both engines were developed to balance comfort, efficiency, and performance, with the V6 offering noticeably quicker response while the four-cylinder provided better fuel economy.
Summary
The 2009 Malibu's engine lineup consisted of a 2.4L Ecotec inline-4 as the standard engine and an optional 3.5L V6 for more power. The four-cylinder prioritizes economy, while the V6 delivers stronger acceleration, with most models paired to a four-speed automatic transmission. If you’re evaluating a used Malibu, verify the exact engine via the VIN or window sticker, as trim and regional differences can affect the configuration.