2025 Ram 1500 vs 2026 GMC Sierra 3500HD

$40,275 · Truck

$47,900 · Truck

Comparison Overview

The most significant numerical divergence between the 2025 Ram 1500 (Car 1) and the 2026 GMC Sierra 3500HD (Car 2) is in fuel economy, with the Ram achieving 22 MPG combined versus an unlisted, significantly lower figure expected for the 3500HD heavy-duty model. The performance gap is also substantial: Car 2 produces 401 hp and 464 lb-ft of torque, overshadowing Car 1's 305 hp and 269 lb-ft. This difference is reflected in the MSRPs, with the Sierra 3500HD commanding $47,900 compared to the Ram 1500's entry price of $40,275. Size differences are minimal but present; the Sierra 3500HD is 7.4 inches taller at 80.9 inches. Conversely, the Ram 1500 offers better everyday usability metrics, specifically its 20/25 MPG city/highway ratings when both utilize RWD and regular unleaded fuel.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2025 Ram 1500

The Ram 1500 wins for commuting due to its superior combined fuel economy rating of 22 MPG.

👨‍👩‍👧‍👦 Best for Families

2025 Ram 1500

The Ram 1500 offers a lower $40,275 MSRP and better efficiency compared to the heavy-duty Sierra 3500HD.

🏎️ Best for Enthusiasts

2026 GMC Sierra 3500HD

The 2026 GMC Sierra 3500HD provides substantially more output with 401 horsepower and 464 lb-ft of torque.

💰 Best Value

2025 Ram 1500

The Ram 1500 presents a lower initial barrier to entry at $40,275, offering adequate power for a fraction of the cost difference.

Choose the Ram 1500 if...

Your priority is maximizing fuel efficiency with a 22 MPG combined rating.
You require the lowest immediate transaction cost, starting at $40,275 MSRP.
You prefer a slightly more maneuverable footprint, measuring 228.9 inches in length versus Car 2's 236.3 inches.

Choose the GMC Sierra 3500HD if...

Maximum engine output is essential, as it delivers 401 horsepower and 464 lb-ft of torque.
Taller stature is needed, evidenced by its 80.9-inch height compared to Car 1's 77.6 inches.
You require the slightly superior gear coordination provided by the 10-speed automatic transmission over Car 1's 8-speed unit.

Key Dimensions

Dimension	Ram 1500	GMC Sierra 3500HD
Length	228.9"	236.3"
Width	82.1"	81.9"
Height	77.6"	80.9"
Wheelbase	140.5"	142.0"

Features Comparison

Safety

Feature	Ram	GMC
Blind Spot Monitor	✓	—
Lane Departure Warning	✓	✓
Lane Keeping Assist System	✓	—
Rear Cross Traffic Alert	✓	—
Pre-Collision Safety System	✓	✓
Post-Collision Safety System	✓	✓
Dual Front Side-Mounted Airbags	✓	✓
Front Head Airbags	✓	✓
Rear Head Airbags	✓	—
Passenger Airbag Occupant Sensing Deactivation	✓	✓
Electronic Stability Control	✓	✓
Traction Control System	✓	✓
LATCH System	✓	✓
Rear Door Child Safety Locks	✓	—
Anti-lock Brakes (ABS)	4-Wheel	4-Wheel
Brake Drying	✓	—
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 Headrests	3	2
Front Multi-Adjustable Headrests	✓	—
Rear Headrests	3	—
Rear Height Adjustable Headrests	✓	—
Front Center 3-Point Seatbelt	✓	✓
Rear Center 3-Point Seatbelt	✓	—
Engine Immobilizer	✓	✓
Rear Ventilated Disc Brakes	—	✓
Integrated Turn Signal Mirrors	—	✓
Front Height Adjustable Headrests	—	✓

Engine

Feature	Ram	GMC
Base Engine Displacement	3.6 L	6.6 L
Number of Cylinders	V6	V8
Base Engine Type	mild hybrid	gas
Horsepower	305 hp @ 6400 rpm	401 hp @ 5200 rpm
Torque	269 lb-ft @ 4800 rpm	464 lb-ft @ 4000 rpm
Number of Valves	24	16
Camshaft Type	Double overhead cam (DOHC)	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 Fuel Economy (City/Highway)	20/25 MPG	—
EPA Fuel Economy (Combined)	22 MPG	—
EPA Driving Range (City/Highway)	0/0 mi.	0/0 mi.
Fuel Tank Capacity	—	36.0 gal.

Comfort & Convenience

Feature	Ram	GMC
Push Button Start	✓	✓
Tilt and Telescopic Steering Wheel	✓	—
Transmission Controls on Steering Wheel	✓	—
Cruise Controls on Steering Wheel	✓	—
Electric Power Steering	✓	—
Rear View Camera	✓	✓
Front Parking Sensors	✓	—
Rear Parking Sensors	✓	—
Adaptive Cruise Control	✓	—
Front Cupholders	✓	✓
Rear Cupholders	✓	—
Front Door Pockets	✓	✓
Rear Door Pockets	✓	—
Overhead Console with Storage	✓	—
Single Zone Climate Control	✓	✓
Rear Ventilation Ducts	✓	—
Interior Air Filtration	✓	—
Passenger Vanity Mirror	✓	—
Tilt Steering Wheel	—	✓
Steering Wheel Controls	—	✓
Power Steering	—	✓
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	6	2
Android Auto (Wired)	✓	✓
Apple CarPlay (Wired)	✓	✓
USB Port	✓	✓
Auxiliary Audio Input	✓	—
USB Port with External Media Control	✓	✓
Speed Sensitive Volume Control	—	✓

Power Feature

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

Frontseats

Feature	Ram	GMC
Front Head Room	40.9 in.	43.1 in.
Front Leg Room	40.9 in.	44.5 in.
Front Shoulder Room	66.0 in.	66.1 in.
Front Hip Room	63.4 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

Rearseats

Feature	Ram	GMC
Rear Head Room	39.2 in.	—
Rear Leg Room	35.6 in.	—
Rear Shoulder Room	65.7 in.	—
Rear Hip Room	63.4 in.	—
Folding Rear Seatback	✓	—

Tires and Wheels

Feature	Ram	GMC
Wheel Finish	Painted Steel	Painted Steel
Wheel Size	18 x 7.5 in	—
Tire Type	All Season	All Terrain
Tire Size	275/65R18	LT275/70R18
Spare Tire Type	Temporary	Full Size Matching
Spare Tire Location	Underbody Mounted	Underbody Mounted
Wheel Diameter	—	18 in

Suspension

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

Warranty

Feature	Ram	GMC
Basic Warranty	3 yr./ 36000 mi.	3 yr./ 36000 mi.
Drivetrain Warranty	5 yr./ 60000 mi.	5 yr./ 100000 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 1500 and 2026 GMC Sierra 3500HD.

What is the primary performance distinction based on published figures?

The 2026 GMC Sierra 3500HD is significantly more powerful, generating 401 hp and 464 lb-ft of torque. This substantially exceeds the 2025 Ram 1500's output of 305 hp and 269 lb-ft of torque.

How large is the price disparity between these two trucks?

There is a significant $7,625 difference in the Manufacturer's Suggested Retail Price. The Ram 1500 starts at $40,275, while the Sierra 3500HD commands a base MSRP of $47,900.

Which vehicle offers better mileage for daily driving?

The 2025 Ram 1500 is explicitly rated at 22 MPG combined, with 20 MPG city and 25 MPG highway. While the Sierra 3500HD MPG is not listed, its heavy-duty classification implies significantly lower efficiency.

Are the physical dimensions comparable for parking?

The vehicles are similar in width (Car 1 is 82.1 in, Car 2 is 81.9 in), but the Sierra 3500HD is longer by 7.4 inches (236.3 in vs 228.9 in) and over 3 inches taller.

Do either of these vehicles use a different fuel type?

No, based on the provided specifications, both the 2025 Ram 1500 and the 2026 GMC Sierra 3500HD are specified to use regular unleaded fuel.

How do the transmissions differ between the RWD models?

The Ram 1500 utilizes an 8-speed shiftable automatic transmission. In contrast, the Sierra 3500HD steps up to a 10-speed shiftable automatic, suggesting potentially finer-tuned gearing ratios.