2025 GMC Sierra 1500 vs 2025 Jeep Gladiator
Comparison Overview
The most significant numerical difference between the 2025 GMC Sierra 1500 and the 2025 Jeep Gladiator is the powertrain output, where the Sierra delivers a commanding 310 horsepower and 430 lb-ft of torque compared to the Gladiator's 285 horsepower and 260 lb-ft of torque. Despite the power disparity, both vehicles achieve an identical 19 MPG combined rating, though the Sierra yields slightly better city driving at 18 MPG versus the Gladiator's 17 MPG city rating, while the Gladiator gains a slight edge on the highway at 22 MPG. Priced nearly identically at $38,300 for the Sierra and $38,100 for the Gladiator, the vehicles diverge significantly in dimensions: the Sierra measures 81.2 inches wide, significantly broader than the Gladiator’s 73.8-inch width, while the Gladiator is 7.0 inches longer at 218.0 inches versus the Sierra’s 211.0 inches. These specifications define distinct use cases for these body-on-frame competitors.
Size Comparison
Performance
Fuel Efficiency
Full Specifications
Our Verdicts
2025 GMC Sierra 1500
The Sierra 1500 offers superior city fuel economy at 18 MPG compared to the Gladiator's 17 MPG.
2025 GMC Sierra 1500
The Sierra's greater width (81.2 inches) suggests potentially more accommodating interior and cabin space than the narrower Gladiator (73.8 inches).
2025 GMC Sierra 1500
The Sierra 1500 clearly dominates performance metrics, producing 430 lb-ft of torque against the Gladiator's 260 lb-ft.
2025 Jeep Gladiator
The Gladiator is $200 cheaper at an MSRP of $38,100 and provides standard four-wheel drive, whereas the Sierra starts at $38,300 with RWD.
Choose the GMC Sierra 1500 if...
- Maximum powertrain output is required, as the Sierra offers 310 hp and 430 lb-ft of torque.
- A wider stance (81.2 inches) is preferred for stability or load management.
- The driver prioritizes maximizing urban fuel efficiency with an 18 MPG city rating.
Choose the Jeep Gladiator if...
- Standard four-wheel drive capability is a prerequisite, unlike the RWD standard on car1.
- The absolute lowest purchase price is critical, as the Gladiator starts $200 cheaper at $38,100.
- A marginally better highway fuel economy of 22 MPG is desired over the Sierra's 21 MPG highway rating.
Key Dimensions
| Dimension | GMC Sierra 1500 | Jeep Gladiator |
|---|---|---|
| Length | 211.0" | 218.0" |
| Width | 81.2" | 73.8" |
| Height | 75.7" | 75.0" |
| Wheelbase | 126.0" | 137.3" |
Features Comparison
Safety
| Feature | GMC | Jeep |
|---|---|---|
| Lane Departure Warning | ✓ | — |
| Lane Keeping Assist System | ✓ | — |
| 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 | ✓ | ✓ |
| Anti-lock Brakes (ABS) | 4-Wheel | 4-Wheel |
| Front Ventilated Disc Brakes | ✓ | ✓ |
| Rear Ventilated Disc Brakes | ✓ | ✓ |
| Brake Assist | ✓ | ✓ |
| Tire Pressure Monitoring System | ✓ | ✓ |
| Automatic Headlights | ✓ | — |
| Headlight Delay-Off | ✓ | ✓ |
| LED Headlights | ✓ | — |
| Daytime Running Lights | ✓ | — |
| Front Headrests | 2 | 2 |
| Front Height Adjustable Headrests | ✓ | ✓ |
| Front Center 3-Point Seatbelt | ✓ | — |
| Engine Immobilizer | ✓ | ✓ |
| Rear Head Airbags | — | ✓ |
| LATCH System | — | ✓ |
| Rear Door Child Safety Locks | — | ✓ |
| Front Fog Lights | — | ✓ |
| Rear Headrests | — | 3 |
| Rear Folding Headrests | — | ✓ |
| Rear Center 3-Point Seatbelt | — | ✓ |
Engine
| Feature | GMC | Jeep |
|---|---|---|
| Base Engine Displacement | 2.7 L | 3.6 L |
| Number of Cylinders | inline 4 | V6 |
| Base Engine Type | gas | gas |
| Horsepower | 310 hp @ 5600 rpm | 285 hp @ 6400 rpm |
| Torque | 430 lb-ft @ 3000 rpm | 260 lb-ft @ 4400 rpm |
| Number of Valves | 16 | 24 |
| Camshaft Type | Double overhead cam (DOHC) | Double overhead cam (DOHC) |
| Variable Valve Timing | Variable | Variable |
| Fuel Injection Type | ✓ | — |
| Cylinder Deactivation | ✓ | — |
Drive Train
| Feature | GMC | Jeep |
|---|---|---|
| Transmission Type | 8-speed shiftable automatic | 8-speed shiftable automatic |
| Drivetrain Type | rear wheel drive | four wheel drive |
| 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 Fuel Economy (City/Highway) | 18/21 MPG | 17/22 MPG |
| EPA Fuel Economy (Combined) | 19 MPG | 19 MPG |
| EPA Driving Range (City/Highway) | 432.0/504.0 mi. | 374.0/484.0 mi. |
| Fuel Tank Capacity | 24.0 gal. | 22.0 gal. |
Comfort & Convenience
| Feature | GMC | Jeep |
|---|---|---|
| Tilt Steering Wheel | ✓ | — |
| Electric Power Steering | ✓ | — |
| Rear View Camera | ✓ | ✓ |
| Cruise Control | ✓ | — |
| Front Cupholders | ✓ | ✓ |
| Front Door Pockets | ✓ | ✓ |
| Single Zone Climate Control | ✓ | ✓ |
| Push Button Start | — | ✓ |
| Tilt and Telescopic Steering Wheel | — | ✓ |
| Audio Controls on Steering Wheel | — | ✓ |
| Cruise Control on Steering Wheel | — | ✓ |
| Power Steering | — | ✓ |
| 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 (Wireless) | ✓ | — |
| Apple CarPlay (Wireless) | ✓ | — |
| USB Port | ✓ | ✓ |
| USB Port with External Media Control | ✓ | ✓ |
| Speed Sensitive Volume Control | ✓ | — |
| Android Auto (Wired) | — | ✓ |
| Apple CarPlay (Wired) | — | ✓ |
| Auxiliary Audio Input | — | ✓ |
Power Feature
| Feature | GMC | Jeep |
|---|---|---|
| One-Touch Power Windows | 2 | 2 |
| Remote Keyless Entry | ✓ | — |
| 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 | 66.0 in. | 55.7 in. |
| Front Hip Room | 60.9 in. | 53.9 in. |
| Seat Material: Vinyl | ✓ | — |
| Front Seat Type: 40-20-40 Split Bench | ✓ | — |
| Driver Seat Manual Adjustments | 4-way | 6-way |
| Passenger Seat Manual Adjustments | 4-way | 4-way |
| Seat Material: Cloth | — | ✓ |
| 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 Size | 17 x 8.0 in. | 17 x 7.5 in |
| Tire Type | All Season | All Season |
| Tire Size | 255/70R17 | 245/75R17 |
| Spare Tire Type | Full Size Non-Matching | Full Size Non-Matching |
| Spare Tire Location | Underbody Mounted | Underbody Mounted |
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./ 60000 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 1500 and 2025 Jeep Gladiator.
How do the standard drivetrain configurations differ between the 2025 Sierra 1500 and the 2025 Gladiator?
The 2025 GMC Sierra 1500 comes standard with a rear-wheel-drive (RWD) configuration, paired with an 8-speed automatic transmission. Conversely, the 2025 Jeep Gladiator includes four-wheel drive (4WD) as its standard setup with the same 8-speed automatic transmission.
What is the horsepower and torque advantage of the Sierra 1500 over the Gladiator?
The Sierra 1500 possesses a measurable advantage in power, producing 310 horsepower, which is 25 hp more than the Gladiator’s 285 horsepower. This gap is even wider in torque figures, with the Sierra generating 430 lb-ft compared to the Gladiator's 260 lb-ft.
Are there any differences in fuel economy between these two trucks?
Despite their performance differences, both vehicles share an identical 19 MPG combined rating when using regular unleaded fuel. The difference lies in split ratings: the Sierra achieves 18 city/21 highway, while the Gladiator manages 17 city/22 highway.
Which vehicle offers a lower starting MSRP?
The 2025 Jeep Gladiator holds a slight price advantage, starting at $38,100, which is $200 less than the 2025 GMC Sierra 1500's base price of $38,300.
How do the physical dimensions, specifically length and width, compare?
The Gladiator is notably longer, measuring 218.0 inches compared to the Sierra's 211.0 inches, making it 7.0 inches the longer vehicle. However, the Sierra is significantly wider at 81.2 inches, whereas the Gladiator is considerably narrower at 73.8 inches.
What is the maximum height difference between the two models?
The heights are very close, but the 2025 GMC Sierra 1500 is slightly taller at 75.7 inches. The 2025 Jeep Gladiator measures 75.0 inches high, creating a difference of 0.7 inches.
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