2025 3500 HD Truck Towing Chart & MPG Guide
When you’re shopping for a heavy-duty 3500 pickup in 2025, towing power and payload capacity are everything. Whether you’re hauling a massive 5th wheel, a gooseneck trailer, or a full load of jobsite gear, you need a truck built for real-world muscle.
This high-impact guide compares every 2025 3500 HD truck—Ford F-350, Ram 3500, Chevrolet Silverado 3500HD, and GMC Sierra 3500HD—across engine performance, MPG, bed sizes, interior tech, and warranty support.
📊 Comparison Table: 2025 3500 HD Towing, Payload & MPG
| Truck Model | Max Towing (lbs) | Max Payload (lbs) | Best MPG (est.) | Max HP / Torque | Bed Sizes Available | Starting MSRP |
|---|---|---|---|---|---|---|
| Ford F-350 Super Duty | 40,000 (gooseneck) | 8,000 | 16–21 MPG | 500 HP / 1,200 lb-ft | 6.75 ft, 8 ft | $48,700 |
| Ram 3500 HD | 37,100 (gooseneck) | 7,680 | 15–20 MPG | 420 HP / 1,075 lb-ft | 6.4 ft, 8 ft | $49,390 |
| Chevy Silverado 3500HD | 36,000 (gooseneck) | 7,442 | 14–19 MPG | 470 HP / 975 lb-ft | 6.75 ft, 8 ft | $49,300 |
| GMC Sierra 3500HD | 36,000 (gooseneck) | 7,442 | 14–19 MPG | 470 HP / 975 lb-ft | 6.75 ft, 8 ft | $50,000 |
🔧 Engines, Transmissions & Performance
Each manufacturer offers gas and diesel engine options in their 2025 3500 lineup.
- Ford F-350
- 6.8L V8 gas (405 HP)
- 6.7L Power Stroke High-Output Diesel (500 HP, 1,200 lb-ft)
- 10-speed automatic
- Ram 3500
- 6.4L HEMI V8 (410 HP)
- 6.7L Cummins HO I6 Diesel (420 HP, 1,075 lb-ft)
- 8-speed auto (gas) / 6-speed Aisin auto (diesel)
- Chevy Silverado 3500HD / GMC Sierra 3500HD
- 6.6L V8 gas (401 HP)
- 6.6L Duramax Diesel V8 (470 HP, 975 lb-ft)
- 10-speed Allison automatic transmission
🛠️ Towing Capacity & Payload Details
Each of these trucks can tow massive loads when properly configured with dual rear wheels, 5th-wheel/gooseneck hitches, and diesel powertrains.
You’ll find the Ford F-350 Super Duty leading in maximum towing (up to 40,000 lbs), followed closely by Ram’s 3500 HD. Both Silverado and Sierra 3500 offer solid trailering numbers as well, especially when equipped with the Duramax diesel.
⛽ 2025 3500 HD Fuel Economy Estimates
While EPA doesn’t officially rate HD trucks, real-world numbers based on testing show:
- Gas engines: 12–15 MPG
- Diesel engines: 16–21 MPG (highway towing sees a drop)
- Ram and Ford diesels typically provide the best fuel efficiency under load.
🚛 Interior Comfort & Cargo Space
Today’s 3500 HD trucks are as refined inside as many luxury SUVs:
- Premium leather and ventilated front/rear seats
- Massive touchscreen displays (12–13.4 inches)
- Digital driver clusters & head-up displays
- Fold-flat rear seats, under-seat storage, and modular center consoles
Even base trims have improved tech and comfort. High trims like King Ranch, Denali Ultimate, or Ram Limited bring top-tier refinement.
🚛 Bed Size Options & Measurements
- Short Bed (approx. 6’8″ – 6’10”)
- Long Bed (approx. 8’0″)
Dually configurations only offer the long bed for maximum cargo and trailer clearance. Most beds come with integrated 5th-wheel prep, LED lighting, 120V outlets, and tailgate assist.
🎵 Infotainment, Safety & Tech
- Wireless Apple CarPlay & Android Auto
- Google Built-In (GM), Alexa voice commands (Ford)
- Surround-view cameras & trailer guidance systems
- Adaptive cruise, auto emergency braking, lane assist
- Up to 14-camera views for trailer towing
🛡️ Warranty & Maintenance
- Ford: 3-year/36,000-mi basic | 5-year/100,000-mi diesel
- Ram: 3-year/36,000-mi basic | 5-year/100,000-mi diesel
- GM (Chevy/GMC): 3-year/36,000-mi basic | 5-year/100,000-mi diesel
Ram and GM also offer complementary maintenance for the first year (or more depending on region).
📌 FAQs About 2025 3500 HD Trucks
Looking to gear up your heavy-duty truck?🛠️ Shop Heavy-Duty Truck Towing Accessories on Amazon – Everything from hitches, tie-downs, brake controllers, to bed extenders.
Which 3500 HD truck tows the most in 2025?
The Ford F-350 Super Duty leads with up to 40,000 pounds when properly equipped.
What’s the best diesel engine for heavy towing?
The 6.7L High Output Power Stroke in the F-350 offers class-leading torque and smooth 10-speed shifting
Can you get a 3500 HD truck in a luxury trim?
Yes — look for Denali Ultimate, Ram Limited, or Ford Platinum for full luxury features.
Is a gas 3500 worth it for daily use?
For light towing and shorter hauls, gas engines can be more affordable upfront and easier to maintain.
💬 Like what you see? Drop a comment below and let us know which 2025 3500 HD truck you’re considering!
🔗 For more real-world truck tests, towing comparisons, and engine guides, visit TruckReportGeeks.com — your go-to resource for honest truck breakdowns and expert advice.