The 2009 GMC Acadia uses a 3.6-liter V6 engine.
Powertrain overview
The 2009 Acadia relies on a single gasoline V6 option designed for family hauling and light towing. It is paired with a six-speed automatic transmission and is available with either front‑wheel drive (FWD) or all-wheel drive (AWD), depending on the trim and options selected.
Engine family and compatibility
The 3.6-liter V6 is part of GM’s Lambda crossover family. It powers the Acadia and its closely related siblings (such as the Buick Enclave and Chevrolet Traverse), offering balanced performance for a three-row midsize SUV while sharing core hardware with related models.
Key specifications for the 3.6-liter V6 in the 2009 Acadia are as follows:
- Displacement: 3.6 liters
- Configuration: V6, DOHC with variable valve timing
- Power: around 275 horsepower (206 kW)
- Torque: around 251 lb-ft (341 Nm)
- Fuel system: sequential fuel injection
- Transmission: 6-speed automatic
- Drivetrain: Front-wheel drive or all-wheel drive
Note: horsepower and torque figures can vary slightly by trim and emission controls, but the 3.6-liter V6 remains the consistent engine across the 2009 Acadia lineup.
Additional context
In the broader GM Lambda family, the Acadia’s 3.6-liter V6 is shared with related models such as the Buick Enclave and Chevrolet Traverse. The engine is designed to deliver adequate power for daily driving, family duty, and light towing, while maintaining a comfortable 3-row crossover experience.
Summary
The 2009 Acadia is powered by a 3.6-liter V6 producing roughly 275 hp and 251 lb-ft of torque, paired with a six-speed automatic transmission and available in either front-wheel drive or all-wheel drive configurations. This setup anchors the vehicle’s performance as a capable midsize crossover.


