Introduction
The 5.7 Hemi engine remains one of the most popular V8s on the market in 2026. Whether you need a 5.7 Hemi engine for sale for your Ram 1500, Charger, or custom build, understanding the exact 5.7 Hemi specs is critical.

Real-world 2026 5.7 Hemi performance numbers.
Current 5.7 Hemi Engine Specs (2026 Ram 1500)
- Horsepower: 395 hp @ 5,600 rpm
- Torque: 410 lb-ft @ 3,950 rpm (+130 lb-ft launch torque with eTorque)
- Displacement: 5.7 liters (345 cu in)
- Configuration: 90° V8, OHV, 16 valves
- Combustion Chamber: Hemi design with dual spark plugs per cylinder
- Compression Ratio: 10.5:1
- Fuel: Regular 87-octane unleaded
- Redline: ~5,800 rpm
- Key Technologies: Multi-Displacement System (MDS), Variable Valve Timing, eTorque mild-hybrid assist
Hemi 5.7 hp output has evolved significantly:
- 2003–2008: 345 hp
- 2009–2018: 370–395 hp
- 2026 models: Consistent 395 hp / 410 lb-ft
5.7 Hemi Engine Specs Table
| Year Range | Horsepower | Torque | Notable Features | Fuel Economy (Combined) |
|---|---|---|---|---|
| 2003–2008 | 345 hp | 375 lb-ft | First Gen III Hemi | 15–18 mpg |
| 2009–2018 | 370–395 hp | 395–410 lb-ft | MDS cylinder deactivation | 17–20 mpg |
| 2026 | 395 hp | 410 lb-ft | eTorque + improved efficiency | 18–22 mpg |
Internal Link: For full history and comparison with the 426 Hemi, see our Ultimate Hemi Engine Guide.
Real-World Performance & Applications
The 5.7 Hemi excels at:
- Towing (up to 11,000+ lbs in properly equipped Rams)
- Daily driving with respectable fuel economy thanks to MDS
- Performance builds (easily 450–600+ whp with bolt-ons)
Popular vehicles: Ram 1500/2500, Dodge Charger/Challenger, Jeep Grand Cherokee, Chrysler 300.
Common 5.7 Hemi Problems & Reliability Fixes
- Hemi Tick (MDS Lifter Failure): Most common issue. Fix: Delete MDS or install upgraded non-MDS lifters and cam.
- Cam Lobe Wear: Addressed with better oil and upgraded cam during rebuild.
- Oil Consumption: Usually fixed with PCV upgrades and quality synthetic oil.
Engines from Hammer Engines GmbH come with these upgrades already performed on remanufactured units.
5.7 Hemi Engine for Sale – Pricing & Recommendations 2026
- New Crate Engines: $7,995 – $8,995 (Mopar 345 Eagle)
- Remanufactured (Upgraded): $5,500 – $7,500 (best value)
- Used Low-Mileage: $2,200 – $4,500 (with thorough inspection)
Internal Link: Shop our current 5.7 Hemi Engines for Sale.
Related Cluster Post Coming Soon: “Used 5.7 Hemi Engine for Sale – What to Look For in 2026”
FAQ – 5.7 Hemi Specs
Q: How much horsepower does a 5.7 Hemi have? A: 395 hp in 2026 models, with modified versions reaching 500+ hp easily.
Q: Is the 5.7 Hemi a good engine? A: Yes — especially when the MDS system is properly addressed. It offers the perfect balance of power, reliability, and efficiency.
Q: What is the difference between 5.7 and 6.4 Hemi? A: The 6.4 (392) is larger and more powerful stock, but the 5.7 is more affordable and fuel-efficient.
Conclusion & CTA
The 5.7 Hemi engine continues to be a top choice for performance and practicality in 2026. Whether you need specs for a build or a complete 5.7 Hemi engine for sale, Hammer Engines GmbH has you covered with premium options and expert support.
Ready to power up? Browse All 5.7 Hemi Engines → Read the Full Hemi Guide →