2025 Ram 2500 vs 2026 GMC Sierra 2500HD

$45,565 · Truck

$46,700 · Truck

Comparison Overview

The most significant quantifiable difference between the 2025 Ram 2500 and the 2026 GMC Sierra 2500HD lies in their exterior dimensions, with the Sierra measuring 4.3 inches longer (236.3 in vs 232.0 in) and 2.4 inches wider (81.8 in vs 79.4 in). Power delivery presents a trade-off: the Ram produces higher peak horsepower at 405 hp compared to the Sierra's 401 hp, but the Sierra counters with substantially greater torque, delivering 464 lb-ft versus the Ram's 429 lb-ft. Priced at $45,565, the Ram 2500 has a lower entry MSRP than the Sierra 2500HD at $46,700, a difference of $1,135. Furthermore, the Sierra utilizes a 10-speed automatic transmission, while the Ram employs an 8-speed unit, affecting potential efficiency and responsiveness in towing scenarios.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2025 Ram 2500

The slightly lower MSRP of $45,565 for the Ram 2500 offers a marginal financial advantage for daily commuting cost considerations.

👨‍👩‍👧‍👦 Best for Families

2026 GMC Sierra 2500HD

The 2026 GMC Sierra 2500HD offers greater overall interior/cargo volume due to its larger exterior dimensions, including being 2.4 inches wider.

🏎️ Best for Enthusiasts

2026 GMC Sierra 2500HD

The Sierra 2500HD's superior torque output of 464 lb-ft provides better low-end grunt essential for heavy hauling performance enthusiasts seek.

💰 Best Value

2025 Ram 2500

The Ram 2500 presents better initial value by offering 405 hp at a starting price $1,135 lower than its competitor.

Choose the Ram 2500 if...

You prioritize the lowest possible starting MSRP at $45,565 for heavy-duty ownership.
You desire the slightly higher peak horsepower rating of 405 hp.
You prefer the more compact maneuverability associated with its shorter length of 232.0 inches.

Choose the GMC Sierra 2500HD if...

Maximum low-end pulling power is essential, evidenced by its 464 lb-ft of torque.
You require the capability provided by the 10-speed automatic transmission over the Ram's 8-speed.
Greater physical presence and interior space are needed, as it is both longer and wider.

Key Dimensions

Dimension	Ram 2500	GMC Sierra 2500HD
Length	232.0"	236.3"
Width	79.4"	81.8"
Height	78.0"	79.9"
Wheelbase	140.5"	142.0"

Features Comparison

Safety

Feature	Ram	GMC
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 Solid Disc Brakes	✓	—
Brake Preparation System	✓	—
Brake Assist	✓	—
Tire Pressure Monitoring System	✓	✓
Automatic Headlights	✓	✓
Headlight Delay-Off	✓	✓
LED Headlights	✓	✓
Daytime Running Lights	✓	✓
Front Fog Lights	✓	—
Front Headrests	2	2
Front Height Adjustable Headrests	✓	✓
Front Center 3-Point Seatbelt	✓	✓
Engine Immobilizer	✓	✓
Lane Departure Warning	—	✓
Rear Ventilated Disc Brakes	—	✓
Integrated Turn Signal Mirrors	—	✓

Engine

Feature	Ram	GMC
Base Engine Displacement	6.4 L	6.6 L
Number of Cylinders	V8	V8
Base Engine Type	gas	gas
Horsepower	405 hp @ 5600 rpm	401 hp @ 5200 rpm
Torque	429 lb-ft @ 4000 rpm	464 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	Ram	GMC
Transmission Type	8-speed shiftable automatic	10-speed shiftable automatic
Drivetrain Type	rear wheel drive	rear wheel drive
Rear Differential Type	—	Locking

Fuel

Feature	Ram	GMC
Fuel Type	regular unleaded	regular unleaded
EPA Driving Range (City/Highway)	0/0 mi.	0/0 mi.
Fuel Tank Capacity	32.0 gal.	36.0 gal.

Comfort & Convenience

Feature	Ram	GMC
Push Button Start	✓	✓
Tilt Steering Wheel	✓	✓
Transmission Controls on Steering Wheel	✓	—
Cruise Controls on Steering Wheel	✓	—
Power Steering	✓	✓
Rear View Camera	✓	✓
Adaptive Cruise Control	✓	—
Front Cupholders	✓	✓
Front Door Pockets	✓	✓
Single Zone Climate Control	✓	✓
Interior Air Filtration	✓	—
Passenger Vanity Mirror	✓	—
Steering Wheel Controls	—	✓
Cruise Control	—	✓
Turn Signal Indicators in Mirrors	—	✓

In Car Entertainment

Feature	Ram	GMC
Infotainment Display	8.4 in	7.0 in
AM/FM Stereo	✓	✓
Speaker System	4	2
Android Auto (Wired)	✓	✓
Apple CarPlay (Wired)	✓	✓
USB Port	✓	✓
Auxiliary Audio Input	✓	—
USB Port with External Media Control	✓	✓
Satellite Radio	✓	—
Speed Sensitive Volume Control	—	✓

Power Feature

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

Frontseats

Feature	Ram	GMC
Front Head Room	39.8 in.	43.1 in.
Front Leg Room	40.9 in.	44.5 in.
Front Shoulder Room	65.9 in.	66.1 in.
Front Hip Room	62.9 in.	60.9 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
Seat Material: Cloth	—	✓

Tires and Wheels

Feature	Ram	GMC
Wheel Finish	Painted Steel	Painted Steel
Wheel Size	17 x 7.5 in	—
Tire Type	All Season	All Season
Tire Size	LT245/70R17	LT245/75R17
Spare Tire Type	Full Size Non-Matching	Full Size Matching
Spare Tire Location	Underbody Mounted	Underbody Mounted
Wheel Diameter	—	17 in

Suspension

Feature	Ram	GMC
Stabilizer Bar	✓	✓
Front Suspension Type	—	Independent

Warranty

Feature	Ram	GMC
Basic Warranty	3 yr./ 36000 mi.	3 yr./ 36000 mi.
Drivetrain Warranty	5 yr./ 60000 mi.	5 yr./ 60000 mi.
Corrosion/Rust Warranty	5 yr./ unlimited mi.	6 yr./ 100000 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 Ram 2500 and 2026 GMC Sierra 2500HD.

How does the torque difference between the 2025 Ram 2500 and 2026 Sierra 2500HD impact performance?

The 2026 GMC Sierra 2500HD offers 464 lb-ft of torque, significantly exceeding the Ram 2500's 429 lb-ft, suggesting better low-speed hauling capability despite the Ram's higher 405 hp output.

Which truck has a better starting price for budget-conscious buyers?

The 2025 Ram 2500 is the more affordable option, starting at $45,565 compared to the 2026 Sierra 2500HD's entry price of $46,700.

What is the primary transmission difference between these two heavy-duty models?

The 2026 Sierra 2500HD features a 10-speed shiftable automatic transmission, whereas the 2025 Ram 2500 is equipped with an 8-speed unit.

Are there significant size differences affecting garage fitment?

Yes, the Sierra 2500HD is notably larger, extending 236.3 inches in length and 81.8 inches in width, compared to the Ram's 232.0 inches in length and 79.4 inches in width.

Do both trucks use the same fuel type?

Both the 2025 Ram 2500 and the 2026 GMC Sierra 2500HD are specified to use regular unleaded fuel, simplifying fueling logistics for owners.

Which vehicle provides more power relative to its cost?

The Ram 2500 delivers 405 horsepower for its $45,565 MSRP, resulting in a slightly better initial horsepower-to-dollar ratio than the Sierra's 401 horsepower at $46,700.