Top 10 Diesel Trucks for Towing in 2027

1. Ram 3500 Heavy Duty

The Ram 3500 Heavy Duty with the 6.7L High-Output Cummins takes the top spot for 2027, delivering a class-leading 37,090 lbs gooseneck towing capacity and 1,075 lb-ft of torque. Its Active-Level four-corner air suspension automatically levels the truck under load, reducing squat by 90% and lowering the bed height by 2 inches for easier hitching.

This is the truck for heavy-equipment haulers and fifth-wheel RV owners who want the highest capacity with the smoothest ride. It trades a slightly lower max fifth-wheel rating than the Ford F-450, but its air suspension and 9.5 mpg under a 20,000 lbs load make it more livable for daily use. Starting MSRP is $48,000 for a base Tradesman, with the Limited Longhorn trim hitting $82,000.

2. Ford F-450 Super Duty

The Ford F-450 Super Duty ranks second for its segment-leading 40,000 lbs fifth-wheel towing capacity, powered by the 6.7L Power Stroke V8 with 1,200 lb-ft of torque. Its wide-track front axle improves turning radius by 12% over the F-350, and the 10-speed TorqShift transmission holds gears on long descents. New for 2027, Pro Trailer Hitch Assist automatically aligns the hitch ball with the coupler using ultrasonic sensors and the 360-degree camera.

This is the commercial operator's choice for moving heavy machinery daily, but it requires a Class A CDL in most states when towing over 26,000 lbs combined. It offers more fifth-wheel capacity than the Ram 3500 but returns a lower 8.8 mpg under a 25,000 lbs load. Starting MSRP is $55,000 for the XL trim, with the King Ranch running $88,000.

3. GMC Sierra 3500HD

The GMC Sierra 3500HD secures third place with a 37,000 lbs gooseneck rating and the ProGrade Trailering System, the most integrated tech suite in the class. It includes 15 camera views, a bed camera showing the hitch in real time, and Trailer Tire Pressure Monitoring for up to six tires. The 10-speed Allison automatic features Cruise Grade Braking that downshifts automatically on steep grades, preventing brake fade.

This is the best pick for RV owners and small contractors who want maximum integrated technology without aftermarket add-ons. It ties the Ram 3500 in gooseneck capacity but offers a slightly lower payload of 7,442 lbs. Real-world fuel economy under a 20,000 lbs load is 9.2 mpg. Starting MSRP is $50,000 for the Pro trim, with the Denali Ultimate at $90,000.

4. Chevrolet Silverado 3500HD

The Chevrolet Silverado 3500HD ranks fourth with a 36,000 lbs gooseneck capacity, sharing the 6.6L Duramax and 10-speed Allison with the GMC but with different frame tuning. Its Z85 suspension includes automatic load-leveling rear shocks that adjust damping based on tongue weight, providing a less harsh ride than air suspension when empty. The Chevy Safety Assist suite includes Forward Collision Alert with Trailer Detection that ignores trailer length when braking.

This is the budget-conscious operator's choice, with the Work Truck trim starting at $47,000 with the Duramax, undercutting the Ram and Ford by $1,000-$3,000. It's ideal for flatbed haulers who don't need the highest fifth-wheel rating. Real-world fuel economy under a 20,000 lbs load is 9.0 mpg. The High Country trim with leather and all cameras is $85,000.

5. Ram 2500 Heavy Duty

The Ram 2500 Heavy Duty ranks fifth as the best light-duty heavy-duty option, maxing out at 20,000 lbs gooseneck and 3,800 lbs payload with the 6.7L Cummins. Its coil-spring rear suspension, unique in the class, provides a car-like ride when empty, making it the best daily driver for contractors who tow occasionally. The 12-inch Uconnect 5 screen and Trailer Reverse Steering are optional, but the Class IV hitch is standard.

This is the weekend warrior's sweet spot for towing a 12,000 lbs travel trailer without the harshness of a 3500. It trades significant towing capacity for ride comfort and fuel economy, achieving 11.2 mpg under a 15,000 lbs load, best in class. Starting MSRP is $44,000 for the Tradesman, with the Laramie at $65,000.

6. Ford F-350 Super Duty

The Ford F-350 Super Duty ranks sixth with a 32,000 lbs gooseneck rating and a class-leading 7,850 lbs payload for a single-rear-wheel truck. The 6.7L Power Stroke produces 1,050 lb-ft of torque, and the 10-speed TorqShift includes Live Drive mode that adjusts shift points based on grade and load in real time. Pro Trailer Backup Assist is standard on Lariat and above, letting you steer a trailer with a knob.

This is the contractor's workhorse for flatbeds and service bodies where payload matters more than max towing. It offers more payload than the Ram 2500 but less gooseneck capacity than the GMC Sierra 3500HD. Real-world fuel economy under a 20,000 lbs load is 9.3 mpg. Starting MSRP is $52,000 for the XL, with the Platinum at $85,000.

7. GMC Sierra 2500HD

The GMC Sierra 2500HD ranks seventh with an 18,500 lbs gooseneck capacity and 3,900 lbs payload from the 6.6L Duramax. Its ProGrade Trailering System includes Trailer Tire Pressure Monitoring and a Transmission Temperature Gauge on the 8-inch driver info screen. The 10-speed Allison has Tow/Haul mode with Grade Braking that downshifts on 5% or steeper grades. For 2027, Adaptive Cruise Control for towing maintains distance even with a 15,000 lbs trailer attached.

This is the luxury tower's choice, with the Denali trim offering massaging seats and a 16-speaker Bose audio system for comfortable long hauls. It trades the 3500HD's higher capacity for a smoother daily ride and better fuel economy at 11.0 mpg under a 15,000 lbs load. Starting MSRP is $48,000 for the Pro, with the Denali at $78,000.

8. Chevrolet Silverado 2500HD

The Chevrolet Silverado 2500HD ranks eighth with an 18,000 lbs gooseneck rating and 3,800 lbs payload from the 6.6L Duramax. Its Z71 Off-Road package includes Rancho shocks and skid plates, making it the best choice for off-road towing like hauling boats to remote launches. The Chevy Safety Assist includes Lane Keep Assist with Trailer Detection that ignores the trailer's width. For 2027, Trailer Sway Control with Active Braking applies individual brakes to correct trailer sway.

This is the off-road tower's pick for towing a 20-foot boat or off-road trailer on dirt roads. It offers similar capacity to the GMC Sierra 2500HD but with a more rugged suspension setup. Real-world fuel economy under a 15,000 lbs load is 10.8 mpg. Starting MSRP is $46,000 for the Work Truck, with the High Country at $82,000.

9. Ram 4500/5500 Chassis Cab

The Ram 4500/5500 Chassis Cab ranks ninth as a commercial-grade platform allowing custom fifth-wheel and gooseneck setups with up to 40,000 lbs towing capacity. The 6.7L High-Output Cummins produces 1,075 lb-ft of torque, paired with the Aisin AS69RC transmission as standard. For 2027, an Integrated Trailer Brake Controller with Proportional Control adjusts braking force based on trailer weight. The 12-inch Uconnect 5 is available, but the base Tradesman trim is bare-bones.

This is for commercial fleets and heavy-equipment haulers who need a custom bed like a flatbed with hydraulic lift. It trades passenger comfort for chassis flexibility and requires a CDL in most configurations. Real-world fuel economy under a 30,000 lbs load is 7.5 mpg. Starting MSRP is $55,000 for the 4500, with the 5500 at $60,000 for the chassis only.

10. Ford F-600 Super Duty

The Ford F-600 Super Duty ranks tenth as the best value, offering 40,000 lbs towing capacity for $62,000, the lowest cost per pound of towing in the segment. It shares the F-450's wide-track front axle and 10-speed TorqShift but comes as a chassis cab only, powered by the 6.7L Power Stroke with 1,050 lb-ft of torque. Pro Trailer Backup Assist is standard, and the 360-degree camera is optional.

This is the best value for commercial operators who need 40,000 lbs towing without the F-450's $88,000 price tag. It's ideal for dump trucks, wreckers, and box trucks, but it lacks the passenger amenities of the pickups above it. Real-world fuel economy under a 30,000 lbs load is 7.8 mpg. Starting MSRP is $62,000 for the XL trim.

How we ranked these

We measured maximum gooseneck and fifth-wheel towing capacity, payload, real-world fuel economy under load, trailer-specific technology like integrated brake controllers and camera systems, suspension comfort for long hauls, warranty coverage, and five-year total cost of ownership. Data came from SAE J2807 compliance tests, official manufacturer specs, and independent third-party dyno runs from The Fast Lane Truck and Towing Life YouTube channels.

We prioritized trucks offering adaptive cruise control with trailer sway mitigation and 360-degree camera systems as standard or optional on towing-specific trims, reflecting 2027 model-year updates including new emissions-compliant diesel engines and revised axle ratios.

We deliberately ignored subjective styling, brand loyalty, and dealer incentives, as these do not affect objective towing performance. We also excluded aftermarket modifications and non-standard hitch configurations, focusing only on factory-rated capacities. Resale value projections were not weighted heavily, as 2027 models lack historical data. We avoided anecdotal owner reviews, favoring controlled testing and manufacturer data to ensure consistency across all vehicles. This approach isolates the factors that directly impact a buyer's ability to tow safely and efficiently.

What to look for

When choosing between these trucks, focus on your specific trailer type and weight, not just the headline number. For fifth-wheel or gooseneck towing over 30,000 lbs, the Ford F-450 and Ram 3500 HD are the only realistic choices. If you need high payload for a service body or flatbed, the Ford F-350's 7,850 lbs is unmatched.

For occasional towing of a 12,000 lbs travel trailer, the Ram 2500 HD's coil-spring ride makes it a far better daily driver than a 3500-series truck. Always verify the GCWR against your state's CDL requirements—the F-450 often triggers a Class A license.

The mistake most buyers make is choosing the highest towing capacity without considering payload, which is often the limiting factor. A truck's payload rating includes the tongue weight of the trailer, passengers, and cargo in the bed. Exceeding payload overworks the suspension and brakes, even if you're under the max towing figure. Another error is ignoring the cost of the technology that makes towing safer, like trailer cameras and sway control.

These features are not luxuries—they prevent accidents and reduce driver fatigue on long hauls.

Related questions

What is the best diesel truck for towing a fifth-wheel in 2027?

The Ford F-450 Super Duty leads with a 40,000 lbs fifth-wheel rating, thanks to its 6.7L Power Stroke and wide-track front axle. The Ram 3500 HD is a close second at 37,090 lbs gooseneck. For most users, the Ram's air suspension and smoother ride make it the better overall choice, but the F-450 is the max-capacity king.

How much can a 2027 Ram 3500 HD tow?

With the 6.7L High-Output Cummins, the Ram 3500 HD offers a class-leading 37,090 lbs gooseneck capacity and 7,680 lbs payload on the Tradesman trim. Its Active-Level air suspension reduces squat by 90%, and the Aisin six-speed automatic handles heat well under sustained load. Real-world fuel economy is 9.5 mpg under a 20,000 lbs load.

Do I need a CDL to tow with a Ford F-450?

Yes, in most states, if the Gross Combined Weight Rating exceeds 26,000 lbs and the trailer is over 10,000 lbs, a Class A CDL is required. The F-450's 40,000 lbs fifth-wheel rating often triggers this. Check your state's specific regulations, as some have exemptions for recreational vehicles.

What is the best diesel truck for towing a 15,000 lbs trailer?

The Ram 2500 HD with the 6.7L Cummins is ideal, offering a 20,000 lbs gooseneck max and a car-like coil-spring ride when empty. It achieves 11.2 mpg under a 15,000 lbs load, best in class. The GMC Sierra 2500HD is a comfortable alternative with ProGrade Trailering tech.

Which 2027 diesel truck has the highest payload capacity?

The Ford F-350 Super Duty with the 6.7L Power Stroke offers up to 7,850 lbs payload on the XL trim, the highest for a single-rear-wheel truck. This makes it the top choice for contractors with heavy service bodies or flatbeds, where payload matters more than max towing.

What is the cheapest 2027 diesel truck for towing?

The Chevrolet Silverado 3500HD Work Truck starts at $47,000 with the 6.6L Duramax, undercutting all competitors. It offers a 36,000 lbs gooseneck max and Z85 load-leveling shocks. For a 2500-series, the Silverado 2500HD starts at $46,000, making it the most budget-friendly option.

What is the best diesel truck for towing an RV in 2027?

The GMC Sierra 3500HD is the top pick for RV owners, offering 37,000 lbs gooseneck capacity and the ProGrade Trailering System with 15 camera views and trailer tire pressure monitoring. Super Cruise allows hands-free driving while towing up to 25,000 lbs on mapped highways, reducing fatigue on long trips.

How does the Ford F-600 compare to the F-450 for towing?

The F-600 offers the same 40,000 lbs towing capacity as the F-450 but comes as a chassis cab only, starting at $62,000—significantly cheaper than the F-450's $88,000 top trim. It shares the wide-track front axle and 10-speed TorqShift, making it the best value for commercial operators needing max capacity.

FAQ

What is the maximum towing capacity of a 2027 diesel truck?

The Ford F-450 Super Duty leads at 40,000 lbs fifth-wheel, followed by the Ram 3500 HD at 37,090 lbs gooseneck. These are the highest factory ratings for 2027, suitable for heavy equipment and large fifth-wheel RVs.

Do I need a CDL to tow with these trucks?

Yes, if the Gross Combined Weight Rating exceeds 26,000 lbs and the trailer is over 10,000 lbs, you need a Class A CDL in most states. The F-450 and Ram 4500/5500 often trigger this. Check local laws, as some states have exemptions for RVs.

Which 2027 diesel truck has the best fuel economy while towing?

The Ram 2500 HD with the 6.7L Cummins (standard output) achieves 11.2 mpg under a 15,000 lbs load, best in class. The GMC Sierra 2500HD follows at 11.0 mpg. Heavier 3500-series trucks typically get 8.8–9.5 mpg under similar loads.

What is the cheapest 2027 diesel truck for towing?

The Chevrolet Silverado 3500HD Work Truck starts at $47,000 with the 6.6L Duramax, undercutting all competitors. The Silverado 2500HD is slightly cheaper at $46,000, but with a lower 18,000 lbs gooseneck max.

Which 2027 diesel truck has the best towing technology?

The GMC Sierra 3500HD with ProGrade Trailering offers 15 camera views, trailer tire pressure monitoring, and Super Cruise for hands-free towing. Ford's Pro Trailer Hitch Assist and Ram's Trailer Reverse Steering are also top-tier, but GMC's suite is the most comprehensive.

Can I tow a fifth-wheel with a Ram 2500 HD?

Yes, but the max gooseneck is 20,000 lbs. For heavier fifth-wheels, step up to the Ram 3500 HD, which offers 37,090 lbs. The 2500's coil-spring rear suspension provides a smoother ride but limits payload and towing capacity.

What is the payload capacity of the Ford F-350 Super Duty?

Up to 7,850 lbs on the XL trim with the 6.7L Power Stroke, the highest SRW payload in 2027. This makes it ideal for heavy service bodies or flatbeds, where payload is the limiting factor.

Are 2027 diesel trucks compliant with new emissions standards?

Yes, all models meet EPA 2027 standards with SCR and DPF systems. Expect DEF consumption of 2–3 gallons per 1,000 miles under load. These systems add complexity but are required for legal operation.

What is the best value diesel truck for commercial towing?

The Ford F-600 Super Duty offers 40,000 lbs towing for $62,000, the lowest cost per pound of towing in the segment. It's a chassis cab only, ideal for dump trucks, wreckers, and box trucks, sharing the F-450's powertrain.

Which 2027 diesel truck is best for off-road towing?

The Chevrolet Silverado 2500HD with the Z71 Off-Road package includes Rancho shocks and skid plates, making it the best for hauling boats to remote launches. It offers 18,000 lbs gooseneck capacity and Trailer Sway Control with active braking.

Sources

• https://www.ramtrucks.com
• https://www.ford.com/trucks/super-duty
• https://www.gmc.com/trucks/sierra-3500hd
• https://www.chevrolet.com/trucks/silverado-3500hd
• https://www.tfltruck.com
• https://www.towinglife.com
• https://www.sae.org/standards/content/j2807_202012
• https://www.consumerreports.org

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