About 345 horsepower.
The 2005 5.7-liter Hemi V8 powered a range of Dodge and Chrysler vehicles, including pickup trucks and rear‑wheel‑drive sedans. The official rating for most 2005 5.7 Hemi applications was 345 horsepower (SAE net), with torque around 375 pound-feet, depending on model and exhaust configuration.
Power figures by model and specs
Note that power figures can vary slightly due to model-specific tuning, exhaust, and drivetrain. The numbers below reflect typical factory ratings for 2005 applications of the 5.7 Hemi.
- Horsepower: 345 hp (SAE net) at about 5,600 rpm
- Torque: 375 lb-ft (SAE net) at about 4,000 rpm
- Common models that used the 5.7 Hemi in 2005 include the Dodge Ram 1500/2500 series and several rear-drive sedans such as the Dodge Charger and Chrysler 300C with the 5.7 option
Bottom line: In most 2005 applications, the 5.7 Hemi produced 345 horsepower and roughly 375 lb-ft of torque, giving it solid acceleration for trucks and full-size cars of its era.
Notes on variation
Some vehicles with the 5.7 Hemi may show slightly different numbers due to exhaust choices, emissions equipment, or transmission gearing. The official specification remains 345 hp and about 375 lb-ft of torque for the 5.7 Hemi in 2005 models.
Real-world perspective
From a driver's standpoint, 345 hp translates to quick acceleration for a full-size pickup or large sedan of the mid-2000s, especially with proper gearing and a light-to-moderate load. Torque, at around 375 lb-ft, aids towing and pulling power without excessive engine strain.
Summary: The 2005 5.7 Hemi is widely rated at 345 horsepower with approximately 375 lb-ft of torque, with minor variations by model and configuration. This output positioned it as a strong V8 option in Dodge and Chrysler lineups of that year.