2025 GMC Sierra 2500HD vs 2025 Jeep Gladiator
Comparison Overview
The most significant numerical disparity between the 2025 GMC Sierra 2500HD and the 2025 Jeep Gladiator is in their base MSRPs, with the Sierra starting $8,200 higher at $46,300 compared to the Gladiator's $38,100. This price jump is justified by substantial performance gains: the Sierra produces 401 hp and 464 lb-ft of torque, significantly overshadowing the Gladiator's 285 hp and 260 lb-ft of torque. The Sierra also exhibits superior size, measuring 236.3 inches in length versus the Gladiator's 218.0 inches. Conversely, the smaller Gladiator achieves a combined 19 MPG, while the heavy-duty Sierra, operating without a stated MPG figure due to its class, inherently sacrifices fuel economy for capability. The transmission difference shows the Sierra utilizes a 10-speed automatic while the Gladiator uses an 8-speed unit, contributing to the overall power delivery contrast in these distinct truck segments.
Size Comparison
Performance
Fuel Efficiency
Full Specifications
Our Verdicts
2025 Jeep Gladiator
The Jeep Gladiator, with its better stated fuel economy of 19 combined MPG, is more economical for daily driving than the larger, less efficient Sierra 2500HD.
2025 GMC Sierra 2500HD
The 2025 GMC Sierra 2500HD offers superior physical dimensions, being 18.3 inches longer and substantially wider and taller, implying greater interior and cargo space.
2025 GMC Sierra 2500HD
The Sierra 2500HD delivers 401 horsepower and 464 lb-ft of torque, a considerable advantage over the Gladiator's 285 hp and 260 lb-ft.
2025 Jeep Gladiator
The Jeep Gladiator offers a more accessible entry point with an MSRP of $38,100, representing significant savings over the Sierra's $46,300 starting price.
Choose the GMC Sierra 2500HD if...
- Maximum power is required, as the Sierra 2500HD outputs 401 horsepower and 464 lb-ft of torque.
- A larger physical footprint is necessary, given the Sierra measures 236.3 inches in length compared to the Gladiator's 218.0 inches.
- Smoother highway operation is prioritized, supported by the Sierra's standard 10-speed automatic transmission.
Choose the Jeep Gladiator if...
- Operating costs are a primary concern, as the Gladiator achieves a reported 19 combined MPG.
- A lower initial investment is desired, evidenced by the $38,100 base MSRP against the Sierra's $46,300.
- Standard four-wheel drive capability is essential right from the base trim level.
Key Dimensions
| Dimension | GMC Sierra 2500HD | Jeep Gladiator |
|---|---|---|
| Length | 236.3" | 218.0" |
| Width | 81.8" | 73.8" |
| Height | 79.9" | 75.0" |
| Wheelbase | 142.0" | 137.3" |
Features Comparison
Safety
| Feature | GMC | Jeep |
|---|---|---|
| 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 | 2 |
| Front Height Adjustable Headrests | ✓ | ✓ |
| Front Center 3-Point Seatbelt | ✓ | — |
| Engine Immobilizer | ✓ | ✓ |
| Rear Head Airbags | — | ✓ |
| Rear Door Child Safety Locks | — | ✓ |
| Brake Assist | — | ✓ |
| Front Fog Lights | — | ✓ |
| Rear Headrests | — | 3 |
| Rear Folding Headrests | — | ✓ |
| Rear Center 3-Point Seatbelt | — | ✓ |
Engine
| Feature | GMC | Jeep |
|---|---|---|
| Base Engine Displacement | 6.6 L | 3.6 L |
| Number of Cylinders | V8 | V6 |
| Base Engine Type | gas | gas |
| Horsepower | 401 hp @ 5200 rpm | 285 hp @ 6400 rpm |
| Torque | 464 lb-ft @ 4000 rpm | 260 lb-ft @ 4400 rpm |
| Number of Valves | 16 | 24 |
| Camshaft Type | Overhead valves (OHV) | Double overhead cam (DOHC) |
| Variable Valve Timing | Variable | Variable |
| Fuel Injection Type | ✓ | — |
Drive Train
| Feature | GMC | Jeep |
|---|---|---|
| Transmission Type | 10-speed shiftable automatic | 8-speed shiftable automatic |
| Drivetrain Type | rear wheel drive | four wheel drive |
| Rear Differential Type | Locking | — |
| 4WD System Type | — | Part Time |
| Transfer Case Gearing | — | Manual Hi-Lo |
| Locking Hubs | — | Automatic |
Fuel
| Feature | GMC | Jeep |
|---|---|---|
| Fuel Type | regular unleaded | regular unleaded |
| EPA Driving Range (City/Highway) | 0/0 mi. | 374.0/484.0 mi. |
| Fuel Tank Capacity | 36.0 gal. | 22.0 gal. |
| EPA Fuel Economy (City/Highway) | — | 17/22 MPG |
| EPA Fuel Economy (Combined) | — | 19 MPG |
Comfort & Convenience
| Feature | GMC | Jeep |
|---|---|---|
| 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 | — | ✓ |
| Adaptive Cruise Control | — | ✓ |
| Rear Cupholders | — | ✓ |
| Rear Door Pockets | — | ✓ |
| Front Seatback Storage | — | ✓ |
| Leatherette Steering Wheel | — | ✓ |
| Interior Air Filtration | — | ✓ |
| Dual Vanity Mirrors | — | ✓ |
In Car Entertainment
| Feature | GMC | Jeep |
|---|---|---|
| Infotainment Display | 7.0 in | 12.3 in |
| AM/FM Stereo | ✓ | ✓ |
| Speaker System | 2 | 8 |
| Android Auto (Wired) | ✓ | ✓ |
| Apple CarPlay (Wired) | ✓ | ✓ |
| USB Port | ✓ | ✓ |
| USB Port with External Media Control | ✓ | ✓ |
| Speed Sensitive Volume Control | ✓ | — |
| Auxiliary Audio Input | — | ✓ |
Power Feature
| Feature | GMC | Jeep |
|---|---|---|
| One-Touch Power Windows | 2 | 2 |
| Power Door Locks | ✓ | — |
| Heated Mirrors | ✓ | ✓ |
| Keyless Entry | — | ✓ |
Frontseats
| Feature | GMC | Jeep |
|---|---|---|
| Front Head Room | 43.1 in. | 42.8 in. |
| Front Leg Room | 44.5 in. | 41.2 in. |
| Front Shoulder Room | 66.1 in. | 55.7 in. |
| Front Hip Room | 60.9 in. | 53.9 in. |
| Seat Material: Cloth | ✓ | ✓ |
| Front Seat Type: 40-20-40 Split Bench | ✓ | — |
| Driver Seat Manual Adjustments | 4-way | 6-way |
| Passenger Seat Manual Adjustments | 4-way | 4-way |
| Front Seat Type: Bucket | — | ✓ |
| Driver Seat Height Adjustment | — | ✓ |
| Driver Seat Lumbar Support | — | Manual |
Rearseats
| Feature | GMC | Jeep |
|---|---|---|
| Rear Head Room | — | 42.8 in. |
| Rear Leg Room | — | 38.3 in. |
| Rear Shoulder Room | — | 55.7 in. |
| Rear Hip Room | — | 55.9 in. |
| Split-Folding Rear Seatback | — | ✓ |
Tires and Wheels
| Feature | GMC | Jeep |
|---|---|---|
| Wheel Finish | Painted Steel | Painted Steel |
| Wheel Diameter | 17 in | — |
| Tire Type | All Season | All Season |
| Tire Size | LT245/75R17 | 245/75R17 |
| Spare Tire Type | Full Size Matching | Full Size Non-Matching |
| Spare Tire Location | Underbody Mounted | Underbody Mounted |
| Wheel Size | — | 17 x 7.5 in |
Suspension
| Feature | GMC | Jeep |
|---|---|---|
| Front Suspension Type | Independent | — |
| Stabilizer Bar | ✓ | — |
| Front Stabilizer Bar | — | ✓ |
| Rear Stabilizer Bar | — | ✓ |
Warranty
| Feature | GMC | Jeep |
|---|---|---|
| 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 2500HD and 2025 Jeep Gladiator.
What is the primary performance difference between the 2025 Sierra 2500HD and the 2025 Gladiator?
The Sierra 2500HD vastly outperforms the Gladiator in raw output, boasting 401 horsepower and 464 lb-ft of torque from its base engine. In contrast, the Gladiator produces 285 horsepower and 260 lb-ft of torque.
How does the pricing structure compare for these two trucks?
The 2025 Jeep Gladiator offers a lower entry cost at $38,100 MSRP. The 2025 GMC Sierra 2500HD has a significantly higher starting MSRP of $46,300, creating an $8,200 price gap.
Is the Sierra 2500HD significantly larger than the Gladiator?
Yes, the Sierra is substantially larger; it is 236.3 inches long, 81.8 inches wide, and 79.9 inches tall. The Gladiator is comparatively smaller at 218.0 inches long, 73.8 inches wide, and 75.0 inches high.
Which vehicle offers better fuel economy?
The Jeep Gladiator provides better stated fuel economy, achieving 19 combined MPG (17 city/22 highway). The Sierra 2500HD is a heavy-duty truck whose MPG figures are typically not stated under standard light-duty testing protocols.
Do both vehicles use the same transmission type?
While both use shiftable automatics, the Sierra 2500HD is equipped with a 10-speed unit for increased gear flexibility. The Gladiator utilizes an 8-speed shiftable automatic transmission.
Are there any drivetrain differences in the base models?
The base 2025 Jeep Gladiator comes standard with four-wheel drive, while the base 2025 GMC Sierra 2500HD is configured with rear-wheel drive.
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