The mpg friendly 5.7-liter HEMI® V8 has plenty of new features that push it to the front of the pack and deliver better freeway merging acceleration than Ford or Chevyen_2009ram1500_amci. It also sports the best combination of horsepower and fuel economy in its classen_epa_2009manufacturing_estimated_ram1500
- Multi-Displacement System (MDS) seamlessly deactivates half of the engine's cylinders in fuel saver mode when less power is needed.
- Variable Valve Timing (VVT) delivers increased torque and efficiency.
- Stronger hemispherical cylinder heads produce more power, while a short runner valve active intake manifold increases fuel efficiencyen_epa_2009_1500_57L_5spd_4x2.
Available 4.7-liter SOHC V8 two-valve engine is proven powerful and durable.
- Single overhead camshafts provide excellent performance.
- Valve train and combustion chamber allow low-speed torque, smooth idle and reduced engine noise.
The 3.7-liter V6 engine produces competitive V8 power and torque.
- Single overhead camshafts deliver outstanding performance while maintaining improved fuel economy.en_own_hemi
Feature Availability
Select model for specs- 5.7-liter HEMI® V8 with MDS
- 4.7-liter V8
- Standard on:
- Available on:
- 3.7-liter V6
- Standard on:
- 5-Speed automatic transmission
- 4-Speed automatic transmission
- Standard on:
- Flex Fuel capability
5.7-liter HEMI® V8 with MDS
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- 5.7-liter HEMI® V8 with MDS features
- Torque
- 407
- lb-ft
- HP
- 390
- In fuel saver mode, the Multi-Displacement System (MDS) shuts down four cylinders
- Aluminum cylinder heads with hemispherical combustion chambers
- Platinum sparkplugs
- Available dual exhaust
- Improved fuel economy
- Two sparkplugs per cylinder fired by a Distributorless Ignition System (DIS)
4.7-liter V8
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- 4.7-liter V8 features
- Torque
- 330
- lb-ft
- HP
- 310
- Two sparkplugs per cylinder fired by a Distributorless Ignition System (DIS)
- Slant/Squish combustion chambers
- Intake manifold flow with "low rumble" design
- Exceptional exhaust manifold flow
- Electronic Throttle Control (ETC)
- E-85 Flex Fuel capableen_navail_flex_fuel
3.7-liter V6 engine
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- 3.7-liter V6 engine
- Torque
- 325
- lb-ft
- HP
- 210
- Modified Distributorless Ignition System (DIS)
- Electronic Throttle Control (ETC)
- Stainless steel fuel rail
- Single-plane sealing surfaces
- Premium sealing materials
- Horsepower and torque charts
The horsepower and torque bands on all three Ram engines show what kind of brute power each delivers. Whichever one you select will deliver massive pulling power at low RPM.
- Flex Fuel capable 4.7-liter SOHC V8
Ram's 4.7-liter SOHC V8 is designed to run on conventional unleaded gasoline or E85 (85 percent ethanol, 15 percent gasoline) or any blend of the two. This allows you to take advantage of cleaner-burning E85 alternative fuel wherever it's available.
