The 2005 Dodge Magnum that could be equipped with a 5.7-liter Hemi V8 is rated at 345 horsepower, with torque in the neighborhood of 370–375 lb-ft. This output reflects the engine’s SAE-net specification for that model year.
Engine power in the 2005 Magnum
In 2005, the 5.7-liter Hemi powering the Dodge Magnum wagon delivered robust performance for a large, family-oriented car. The official rating stood at 345 hp (SAE net) and roughly 370–375 lb-ft of torque, with the hemispherical combustion chamber and modern fuel-injection setup contributing to strong low- and mid-range pulling power. Real-world figures can vary slightly based on emissions equipment and drivetrain configuration.
Core engine specifications
Details follow in the concise specification list below.
- Displacement: 5.7 liters (345 cubic inches)
- Configuration: V8, OHV, 16 valves total (2 per cylinder)
- Horsepower: 345 hp (SAE net)
- Torque: 370–375 lb-ft
- Induction: Fuel-injected, naturally aspirated
- Transmission pairing: Typically matched with a 5-speed automatic transmission
These figures summarize the main horsepower and torque output, along with the engine configuration used in the 2005 Magnum with a 5.7 Hemi.
What the numbers mean for performance and usage
The 345 hp and the substantial torque translate to brisk acceleration for a wagon of its era, with strong mid-range pull that supports highway merging and towing capability. The engine’s performance is influenced by the chosen transmission, vehicle weight, and drivetrain setup, but the 5.7 Hemi was widely regarded as delivering solid, bus-to-road performance for the Magnum lineup.
Summary
The 2005 Dodge Magnum’s 5.7-liter Hemi V8 is officially rated at 345 horsepower and about 370–375 lb-ft of torque. This level of output, paired with a five‑speed automatic, gave the wagon notably confident acceleration for its size and era, while maintaining practicality and comfort for daily use.


