2025 GMC Sierra 3500HD vs 2026 Ford F-350 Super Duty

$47,500 · Truck

$46,970 · Truck

Comparison Overview

The showdown between the 2025 GMC Sierra 3500HD and the 2026 Ford F-350 Super Duty pits brute force against slightly sharper efficiency in the heavy-duty truck arena. The Sierra 3500HD excitingly boasts 464 lb-ft of torque from its 401 hp engine, designed to tackle the heaviest hauls with robust capability. Conversely, the F-350 Super Duty counters with a slight edge in raw power, offering 405 hp, though its torque peaks at 445 lb-ft. While the Ford is marginally smaller overall—measuring 231.8 inches long compared to the GMC's 236.3 inches, and notably shorter in height at 78.8 inches versus 80.9 inches—the GMC offers a slightly higher base MSRP at $47,500 compared to Ford's $46,970. Both trucks utilize powerful 10-speed automatic transmissions and run on regular unleaded fuel, making the decision a nuanced trade-off between the Sierra’s torque dominance and the F-350’s peak horsepower and more compact footprint.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2026 Ford F-350 Super Duty

The slightly smaller overall dimensions of the 2026 F-350 Super Duty, being 4.5 inches shorter in length, make navigating urban environments marginally easier.

👨‍👩‍👧‍👦 Best for Families

2025 GMC Sierra 3500HD

The 2025 Sierra 3500HD offers a substantially taller stance at 80.9 inches high, which can imply more interior headroom or a more commanding presence for passengers.

🏎️ Best for Enthusiasts

2026 Ford F-350 Super Duty

The 2026 F-350 Super Duty holds the edge in peak engine output with 405 horsepower, appealing to those focused on maximizing raw power figures.

💰 Best Value

2026 Ford F-350 Super Duty

The 2026 F-350 Super Duty secures the value verdict by offering a lower starting MSRP of $46,970 compared to the Sierra’s $47,500.

Choose the GMC Sierra 3500HD if...

You prioritize maximum pulling grunt, as the 2025 Sierra 3500HD delivers superior torque at 464 lb-ft.
You prefer a physically larger profile, evident in its 81.9-inch width and 80.9-inch height.
You are comfortable with a slightly higher entry point, beginning at an MSRP of $47,500.

Choose the Ford F-350 Super Duty if...

Maximizing peak horsepower is a priority, given the F-350’s 405 hp rating.
You are looking for the most economical entry point, with an MSRP starting at $46,970.
You need a slightly less cumbersome truck for parking or tight access, as it is over 4 inches shorter in length (231.8 inches).

Key Dimensions

Dimension	GMC Sierra 3500HD	Ford F-350 Super Duty
Length	236.3"	231.8"
Width	81.9"	80.0"
Height	80.9"	78.8"
Wheelbase	142.0"	141.4"

Features Comparison

Safety

Feature	GMC	Ford
Lane Departure Warning	✓	—
Pre-Collision Safety System	✓	—
Post-Collision Safety System	✓	✓
Dual Front Side-Mounted Airbags	✓	✓
Front Head Airbags	✓	✓
Passenger Airbag Occupant Sensing Deactivation	✓	—
Electronic Stability Control	✓	✓
Traction Control System	✓	✓
LATCH System	✓	✓
Anti-lock Brakes (ABS)	4-Wheel	4-Wheel
Front Ventilated Disc Brakes	✓	✓
Rear Ventilated Disc Brakes	✓	✓
Tire Pressure Monitoring System	✓	✓
Automatic Headlights	✓	✓
Headlight Delay-Off	✓	✓
LED Headlights	✓	—
Daytime Running Lights	✓	✓
Integrated Turn Signal Mirrors	✓	✓
Front Headrests	2	3
Front Height Adjustable Headrests	✓	✓
Front Center 3-Point Seatbelt	✓	✓
Engine Immobilizer	✓	✓
Passenger Airbag Deactivation Switch	—	✓

Engine

Feature	GMC	Ford
Base Engine Displacement	6.6 L	6.8 L
Number of Cylinders	V8	V8
Base Engine Type	gas	gas
Horsepower	401 hp @ 5200 rpm	405 hp @ 5000 rpm
Torque	464 lb-ft @ 4000 rpm	445 lb-ft @ 4000 rpm
Number of Valves	16	16
Camshaft Type	Overhead valves (OHV)	Overhead valves (OHV)
Variable Valve Timing	Variable	Variable
Fuel Injection Type	✓	—

Drive Train

Feature	GMC	Ford
Transmission Type	10-speed shiftable automatic	10-speed shiftable automatic
Drivetrain Type	rear wheel drive	rear wheel drive
Rear Differential Type	Locking	—

Fuel

Feature	GMC	Ford
Fuel Type	regular unleaded	regular unleaded
EPA Driving Range (City/Highway)	0/0 mi.	0/0 mi.
Fuel Tank Capacity	36.0 gal.	34.0 gal.

Comfort & Convenience

Feature	GMC	Ford
Push Button Start	✓	—
Tilt Steering Wheel	✓	—
Power Steering	✓	✓
Rear View Camera	✓	✓
Cruise Control	✓	✓
Front Cupholders	✓	✓
Front Door Pockets	✓	—
Single Zone Climate Control	✓	✓
Turn Signal Indicators in Mirrors	✓	✓
Tilt and Telescopic Steering Wheel	—	✓
Audio Controls on Steering Wheel	—	✓
Cruise Control on Steering Wheel	—	✓
Overhead Console with Storage	—	✓
Interior Air Filtration	—	✓
Passenger Vanity Mirror	—	✓

In Car Entertainment

Feature	GMC	Ford
Infotainment Display	7.0 in	8.0 in
AM/FM Stereo	✓	✓
Speaker System	2	4
Android Auto (Wired)	✓	—
Apple CarPlay (Wired)	✓	—
USB Port	✓	✓
USB Port with External Media Control	✓	✓
Speed Sensitive Volume Control	✓	—
Android Auto (Wireless)	—	✓
Apple CarPlay (Wireless)	—	✓

Power Feature

Feature	GMC	Ford
One-Touch Power Windows	2	2
Power Door Locks	✓	—
Heated Mirrors	✓	✓
Remote Keyless Entry	—	✓

Frontseats

Feature	GMC	Ford
Front Head Room	43.1 in.	40.8 in.
Front Leg Room	44.5 in.	43.9 in.
Front Shoulder Room	66.1 in.	66.7 in.
Front Hip Room	60.9 in.	62.5 in.
Seat Material: Vinyl	✓	✓
Front Seat Type: 40-20-40 Split Bench	✓	✓
Driver Seat Manual Adjustments	4-way	4-way
Passenger Seat Manual Adjustments	4-way	4-way
Driver Seat Lumbar Support	—	Manual

Tires and Wheels

Feature	GMC	Ford
Wheel Finish	Painted Steel	Painted Steel
Wheel Diameter	18 in	17 in
Tire Type	All Terrain	All Season
Tire Size	LT275/70R18	LT245/75R
Spare Tire Type	Full Size Matching	Full Size Non-Matching
Spare Tire Location	Underbody Mounted	Underbody Mounted
Wheel Cover Type	—	✓

Suspension

Feature	GMC	Ford
Front Suspension Type	Independent	Independent
Stabilizer Bar	✓	✓

Warranty

Feature	GMC	Ford
Basic Warranty	3 yr./ 36000 mi.	3 yr./ 36000 mi.
Drivetrain Warranty	5 yr./ 100000 mi.	5 yr./ 60000 mi.
Corrosion/Rust Warranty	6 yr./ 100000 mi.	5 yr./ unlimited mi.
Roadside Assistance	5 yr./ 60000 mi.	5 yr./ 60000 mi.
Complimentary Scheduled Maintenance	1 yr./ unlimited mi.	—

Frequently Asked Questions

Common questions about comparing the 2025 GMC Sierra 3500HD and 2026 Ford F-350 Super Duty.

What is the primary mechanical difference between these two heavyweights?

The primary mechanical difference lies in peak power delivery: the Sierra 3500HD leads in torque with 464 lb-ft, while the F-350 Super Duty achieves a higher horsepower figure at 405 hp.

Which truck is physically larger overall?

The 2025 GMC Sierra 3500HD is the physically larger vehicle, boasting a length of 236.3 inches and a height of 80.9 inches, making it significantly taller and longer than the Ford.

Do these trucks require premium gasoline?

No, both the 2025 GMC Sierra 3500HD and the 2026 Ford F-350 Super Duty are specified to run on regular unleaded fuel, which is a beneficial operational characteristic for high-mileage HD truck owners.

How close are their starting prices?

The starting MSRPs are very close, with the 2026 Ford F-350 Super Duty being slightly cheaper at $46,970 compared to the 2025 GMC Sierra 3500HD's $47,500.

Do they share the same transmission technology?

Yes, both the Sierra 3500HD and the F-350 Super Duty utilize an identical transmission configuration: a 10-speed shiftable automatic.

Does the difference in width affect usability?

The Sierra 3500HD is 1.9 inches wider at 81.9 inches compared to the F-350’s 80.0 inches; this marginal difference could impact clearance in narrow lanes or garages.