6.4L HEMI V8 vs. 6.7L Cummins Turbo Diesel
If you're shopping for a 2026 RAM in Milledgeville, you're likely after one thing—serious power. These trucks are built to haul heavy loads, run hard every day, and handle the kind of jobs smaller pickups just can't. Whether you're visiting from Eatonton, Gray, Sandersville, or Greensboro, this guide helps you compare the engines that power RAM's toughest trucks.
But the biggest decision you'll probably face is choosing between the 6.4L HEMI V8 gas engine or the 6.7L Cummins Turbo Diesel. Each one has its own strengths, and this comparison breaks down the specs, towing capability, fuel economy, and ideal buyer profile for both.
6.4L HEMI V8 Engine Specs
This is the standard gas engine for the RAM 2500 and 3500 — built for solid power, straightforward maintenance, and budget-conscious ownership for drivers in Milledgeville and the surrounding Middle Georgia region.
Key Performance Specs
- Horsepower: 410 hp
- Torque: 429 lb-ft
- Transmission: 8-speed automatic
- Max Towing Capacity: Up to 18,210 lbs (RAM 3500 configuration)
- Max Payload: Up to 7,680 lbs
Fuel Economy Expectations
Heavy-duty trucks like the RAM 2500/3500 aren't rated by the EPA for MPG, but real-world reports suggest:
- City: ~12 mpg
- Highway: ~17 mpg
- Combined: ~14-15 mpg
Actual results vary with payload, towing, and terrain. Gas engines like the 6.4L HEMI typically see lower fuel economy under load, but are easier to maintain and quicker off the line.
Driving Characteristics
- Smooth power delivery and strong throttle response
- Easier cold starts and lower operating costs
- Less noise and vibration compared to diesel
- A great match for mixed-use daily driving across Milledgeville
Best For:
- Drivers who want a lower upfront cost
- Fleets and businesses that prefer gasoline
- Towing mid-size equipment or trailers
- Buyers who want simplicity and ease of maintenance
6.7L Cummins Turbo Diesel Engine Specs
The 6.7L Cummins Turbo Diesel is RAM's powerhouse option for towing heavy loads with confidence and control.
Key Performance Specs
- Horsepower: 370-420 hp (depending on configuration)
- Torque: 850-1,075 lb-ft
- Transmission: 6-speed or 8-speed automatic (depending on trim)
- Max Towing Capacity: Up to 37,090 lbs (RAM 3500 dually setup)
- Max Payload: Up to 6,560 lbs
Fuel Economy Expectations
Official MPG ratings don't apply to HD diesel trucks, but owner-reported averages often land around:
- City: ~14 mpg
- Highway: ~20 mpg
- Combined: ~16-17 mpg
Diesel engines usually deliver better range and towing efficiency, especially for long hauls or steady highway driving.
Driving Characteristics
- Outstanding torque at low RPMs for serious towing
- Strong stability on long highway stretches
- Optimized for heavy-duty or commercial use
- Higher upfront cost, but better fuel efficiency over time
Best For:
- RV haulers or gooseneck trailer towing
- Commercial use and frequent long-distance hauling
- Buyers who need max torque and durability
- Operators running heavy loads across state lines
Which Engine Is Better for You?
It really comes down to how you're using your truck and what you want to prioritize. Here's a quick guide:
Choose the 6.4L HEMI V8 If You Want…
- A lower purchase price
- More affordable maintenance
- Easier refueling with regular gas
- A capable all-around truck for light commercial use
Choose the 6.7L Cummins Turbo Diesel If You Want…
- Maximum towing strength
- Industry-leading torque
- Better MPG over long distances
- The confidence that comes with Cummins' durability
Need help deciding which engine is the best for your needs? Visit Milledgeville CDJR in Milledgeville, GA, proudly serving Eatonton, Gray, Sandersville, and Greensboro. Get a closer look at both engine options in person. We'll help you find the right truck for your work, your load, and your budget.