Head-to-head
2026 GMC Sierra vs 2026 Jeep Gladiator
The Jeep Gladiator wins clearly, 65.3 to 55.9, on safety. The GMC Sierra is ahead on fuel & range. Raise the fuel & range weight from 3 to 4 and it flips.
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2026 GMC Sierra
The 2026 GMC Sierra is sold in the U.S. as an electric, gas and diesel large pickup truck with 25 EPA-rated configurations. Its longest-range version, the SIERR…
vs
B2026 Jeep Gladiator
The 2026 Jeep Gladiator is sold in the U.S. as a gas large pickup truck. The most efficient version, the Gladiator 4WD, is EPA-rated at 19 mpg combined. NHTSA l…
Verdict · default weights
2026 Jeep Gladiator
Clear winThe Jeep Gladiator wins clearly, 65.3 to 55.9, on safety. The GMC Sierra is ahead on fuel & range. Raise the fuel & range weight from 3 to 4 and it flips.
Safety 2026 Jeep Gladiator leads by 69
Fuel & range 2026 GMC Sierra leads by 70
| Category · weight | 2026 Jeep Gladiatoroverall 65.3 | 2026 GMC Sierraoverall 55.9 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Pricenot compared | Specs not available | Specs not available | |||||||||
| Fuel & rangew 3 | 30 | 100 | |||||||||
EPA annual fuel cost and combined mpg / MPGe; EV range when both are electric. | |||||||||||
| Safetyw 4 | 91.8 | 22.8 | |||||||||
NHTSA 5-Star rating, WhichTrim Safety Signal (open recalls by severity), owner complaints, standard driver-assist features (from the press kit, or from what the manufacturer filed with NHTSA where there is none). Open park-outside / do-not-drive advisories cost 25 points. | |||||||||||
| Space & cargonot compared | Specs not available | Specs not available | |||||||||
| Performancenot compared | Specs not available | Specs not available | |||||||||
| Tech & comfortnot compared | Specs not available | Specs not available | |||||||||
| Warrantynot compared | Specs not available | Specs not available | |||||||||
| Overall | 65.3 | 55.9 | |||||||||
Safety-only comparison · 2 of 7 categories compared · specs not available for GMC Sierra
GMC Sierra: open park-outside / do-not-drive advisory (−25)
Jeep Gladiator: base trim Sport 4WD · GMC Sierra: safety only (EPA and NHTSA record; specs not available). Pick a trim in the tool to compare any other trim.
Raise the fuel & range weight from 3 to 4 and the answer flips.
Change what matters to you →Scores are 0–100 per category from the data on this page. The weights are yours to set.
Where the gap is
the biggest differences, from the scorecard's own numbersWhere the 2026 Jeep Gladiator wins
- It has drawn fewer owner complaints (3 against 150 filed with NHTSA).
- It has the cleaner recall record (Safety Signal 89 against 63).
Where the 2026 GMC Sierra answers
- It is rated 68 combined against 19 (EPA mpg or MPGe).
- It costs $2,450 a year less to fuel on the EPA's estimate ($1,100 against $3,550).
Ranked by how far apart the two score on each measure, so a price gap and a horsepower gap are compared on the same scale. Every figure is on this page.
Specifications side by side
47 specs · manufacturer press kits| Spec | Jeep GladiatorSport 4WD | GMC Sierra |
|---|---|---|
| Engine Basics | ||
| Aspiration | naturally aspirated | — |
| Cylinder count | 6 | — |
| Engine displacement | 3,604 cc | — |
| Engine type (full description) | 3.6-liter Pentastar V-6 SMPI | — |
| Fuel injection system | Sequential multiport electronic returnless | — |
| Valve configuration | DOHC 24-Valve | — |
| Engine Output | ||
| Horsepower | 285 hp | — |
| Torque | 260 lb-ft | — |
| Fuel Economy | ||
| MPG (city) | 17 mpg | — |
| MPG (combined) | 19 mpg | — |
| MPG (highway) | 22 mpg | — |
| Transmission | ||
| Final drive ratio | 3.73 | — |
| Transmission speeds | 8 | — |
| Transmission type | automatic | — |
| Dimensions Exterior | ||
| Ground clearance | 10 in | — |
| Overall height | 75 in | — |
| Overall length | 218 in | — |
| Overall width | 73.8 in | — |
| Wheelbase | 137 in | — |
| Cargo | ||
| Cargo volume behind 2nd row | 35.5 cu-ft | — |
| Total interior volume | 103 cu-ft | — |
| Seating | ||
| Passenger seating capacity | 5 | — |
| Headroom | ||
| Front headroom | 42.8 in | — |
| Third-row headroom | 42.8 in | — |
| Legroom | ||
| Front legroom | 41.2 in | — |
| Third-row legroom | 38.3 in | — |
| Weights | ||
| Curb weight (maximum) | 4,695 lbs | — |
| Curb weight (minimum) | 4,695 lbs | — |
| Payload capacity | 1,025 lbs | — |
| Suspension | ||
| Front suspension type | Solid axle, link coil, leading arms, track bar, coil springs, stabilizer bar | — |
| Rear suspension type | Solid axle, link coil, trailing arms, track bar, coil springs, stabilizer bar | — |
| Steering | ||
| Steering type | Electro-hydraulic power | — |
| Turning radius (curb-to-curb) | 22.3 ft | — |
| Brakes | ||
| Front brake diameter | 330 mm | — |
| Front brake type | vented rotor, twin-piston floating caliper | — |
| Rear brake diameter | 345 mm | — |
| Rear brake type | vented rotor, single-piston floating caliper | — |
| Wheels | ||
| Wheel diameter | 17 in | — |
| Wheel material | steel | — |
| Wheel width | 7.5 in | — |
| Tires | ||
| Tire size | 245/75R17 | — |
| Fuel System | ||
| Fuel tank capacity | 22 gal | — |
| Minimum recommended octane | 87 | — |
| Connected Services | ||
| Connected services brand | SiriusXM Guardian | — |
| Connected services trial (premium tier) | 12 months | — |
| Shoulder Room | ||
| Front shoulder room | 55.7 in | — |
| Third-row shoulder room | 55.7 in | — |
Green marks the better value where the direction is unambiguous (more room, more power, lower price). Blank rows are specs the press kit does not publish.
Equipment, feature by feature
132 features · differences first, then sharedSafety22 differ · 22 listed
| Feature | Jeep GladiatorSport 4WD | GMC Sierra |
|---|---|---|
| Adaptive cruise control | opt | — |
| Advanced multistage front airbags | std | — |
| Rear backup camera with dynamic gridlines | std | — |
| Side curtain airbags for first and second rows | std | — |
| Supplemental front seat side airbag | std | — |
| Rear Park Assist | opt | — |
| Trailer-sway control | std | — |
| All-speed Traction Control | std | — |
| Anti-lock brake system with hydraulic-assist brake booster | std | — |
| Blind-spot Monitoring | opt | — |
| Blind-spot Monitoring indicator (mirror-mounted) | opt | — |
| Driver and front passenger seat belt alert (all markets) | std | — |
| Electronic roll mitigation | std | — |
| Electronic stability control — includes hydraulic-assist brake booster and traction control | std | — |
| Front-passenger seat-occupant detection system | std | — |
| Hill-start Assist | std | — |
| Jeep Active Safety Group — includes Rear park assist, Blind-spot Monitoring and LED taillamps | opt | — |
| Rear Child Seat Anchor System — LATCH | std | — |
| Selec-Speed Control | opt | — |
| Vehicle theft alarm — protects doors and liftgate | opt | — |
| Sentry Key anti-theft engine immobilizer | std | — |
| Tire-pressure Monitoring | std | — |
Infotainment14 differ · 14 listed
| Feature | Jeep GladiatorSport 4WD | GMC Sierra |
|---|---|---|
| Audio System — Eight speakers | std | — |
| Media hub (one full-function USB and auxiliary port) | std | — |
| Mounted audio controls | std | — |
| Nine Alpine speakers with all-weather subwoofer and 552-watt amplifier | opt | — |
| Radio with Uconnect 5 with 12.3-in. display | std | — |
| Removable Bluetooth wireless speaker | opt | — |
| SiriusXM Guardian Connected Services — includes one-year trial | opt | — |
| SiriusXM Radio — includes a three-month trial subscription | std | — |
| SiriusXM Traffic Plus — includes five-year trial subscription | opt | — |
| SiriusXM Travel Link — includes five-year trial subscription | opt | — |
| Technology Group (Sport/Willys) — includes inside electrochromatic rearview mirror, nine-speaker premium audio system with all-weather subwoofer, and Bluetooth wireless speaker, 115V interior outlet and rear center console USBs | opt | — |
| Two USBs and two USB-Cs in back of center console | opt | — |
| Uconnect Voice Command — hands-free calling with address book and Bluetooth | std | — |
| USB — fully functional in center console | std | — |
Convenience11 differ · 11 listed
| Feature | Jeep GladiatorSport 4WD | GMC Sierra |
|---|---|---|
| Push-button start | std | — |
| Auxiliary electrical switches — four programmable switches, heavy-duty 240-amp alternator | opt | — |
| Auxiliary power, 115-volt outlet in center console | opt | — |
| Convenience Group (Sport/Willys) — includes passive entry, automatic temperature control with dual zone, heated front seats, heated steering wheel, 7-in. thin-film transistor (TFT) cluster, SiriusXM and universal garage door opener | opt | — |
| Passive entry | opt | — |
| Power (speed-sensitive locking) — door-mounted switches | std | — |
| Power outlet, 12-volt, instrument panel | std | — |
| Power windows (front and rear), driver and passenger one-touch down | std | — |
| Remote keyless entry with mechanical flip key | opt | — |
| Remote start system | opt | — |
| Universal garage door opener | opt | — |
Climate4 differ · 4 listed
| Feature | Jeep GladiatorSport 4WD | GMC Sierra |
|---|---|---|
| Air Conditioning — Manual, single zone | std | — |
| Automatic temperature control — dual zone | opt | — |
| Cabin air filter — dual zone | opt | — |
| Floor heat ducts — rear | std | — |
Seating8 differ · 8 listed
| Feature | Jeep GladiatorSport 4WD | GMC Sierra |
|---|---|---|
| Heated front | opt | — |
| Driver — six-way manual (fore/aft, recline, height adjust) | std | — |
| Cloth | std | — |
| Driver — 12-way power (fore/aft, recline, height adjust, lumbar) | opt | — |
| Front passenger — 12-way power (fore/aft, recline, height adjust, lumbar) | opt | — |
| Front passenger — four-way manual (fore/aft, recline) | std | — |
| Leather-trimmed | opt | — |
| Two-way lumbar (driver only) | std | — |
Interior18 differ · 18 listed
| Feature | Jeep GladiatorSport 4WD | GMC Sierra |
|---|---|---|
| Heated | opt | — |
| Inside electrochromatic rearview mirror | opt | — |
| Console — full-floor with front and rear cup holders, locking storage and armrest | std | — |
| EVIC controls | std | — |
| Floor Mats — Front and rear | std | — |
| Hardtop headliner | opt | — |
| Leather-wrapped | opt | — |
| LED door bezel ambient lamp | std | — |
| LED footwell courtesy — functional | std | — |
| LED front cup holder | std | — |
| LED overhead courtesy lamp | std | — |
| LED rear cup holder | std | — |
| Mopar all-weather slush mats | opt | — |
| Speed and cruise control | std | — |
| Steering Wheel — Base (urethane) | std | — |
| Wash-out interior with removable carpet and drain plugs | std | — |
| Tilt/telescoping steering column — manual | std | — |
| Cargo lights | std | — |
Exterior31 differ · 31 listed
| Feature | Jeep GladiatorSport 4WD | GMC Sierra |
|---|---|---|
| Black Three-piece Hardtop Group — includes black three-piece hardtop with Freedom panels, rear window defroster and sliding rear window | opt | — |
| Corning Gorilla Glass windshield | opt | — |
| Deep-tinted sunscreen rear and quarter windows | opt | — |
| Fender Flares — One-piece, black | std | — |
| Fender Flares — Two-piece, body-color insert | opt | — |
| Full-metal with power windows | std | — |
| Glass — Standard | std | — |
| Grille — Body-color | std | — |
| Halogen fog lamps | std | — |
| Halogen headlamps | std | — |
| LED fog lamps (packaged with LED Lighting Group) | opt | — |
| LED Headlamp and Fog Lamp Package | opt | — |
| LED reflector headlamps (packaged with LED Lighting Group) | opt | — |
| Mirrors — Mold-in-color manual folding | std | — |
| Mirrors — Standard, no power | std | — |
| Power-heated | opt | — |
| Rock Rails — Cab, black, painted steel, heavy-duty, protective | opt | — |
| Skid Plates — Fuel tank and transfer case | std | — |
| Tires — 32-in., all-season, 245/75 R17 BSW Bridgestone Dueler H/T | std | — |
| Tires — 32-in., all-terrain, 245/75 R17 BSW Bridgestone Dueler A/T | opt | — |
| Tops — Black Sunrider soft-top | std | — |
| Tops — Body-color three-piece hardtop | opt | — |
| Tops — Dual Top Group (includes premium Sunrider) | opt | — |
| Tops — Freedom Top three-piece modular hardtop with rear defroster, sliding rear window and Freedom Panel storage bag | opt | — |
| Tops — Mopar Sunrider flip-top for hardtop | opt | — |
| Tow Hooks — Three (two front, one rear) | std | — |
| Wheels — 17-in. aluminum fully painted gray | opt | — |
| Wheels — 17-in. aluminum painted gray with machined face (Sport S) | opt | — |
| Wheels — 17-in. full-face steel painted Low Gloss Black | std | — |
| Wheels — Optional 18-in. aluminum machined painted grey | opt | — |
| Automatic headlamps | opt | — |
Powertrain9 differ · 9 listed
| Feature | Jeep GladiatorSport 4WD | GMC Sierra |
|---|---|---|
| 3rd generation Dana 44 heavy-duty solid front | std | — |
| 3rd generation Dana 44 heavy-duty solid front (wide track) | opt | — |
| 3rd generation Dana 44 heavy-duty solid rear | std | — |
| 3rd generation Dana 44 heavy-duty solid rear (wide track) | opt | — |
| 4WD system — Command-Trac NV241, part-time, shift-on-the-fly transfer case | std | — |
| Axle Ratio 3.73:1 | std | — |
| Axle Ratio 4.10:1 | opt | — |
| Pentastar 3.6-liter V-6 SMPI / Eight-speed automatic | std | — |
| Trac-Lok limited-slip, rear | opt | — |
Cargo15 differ · 15 listed
| Feature | Jeep GladiatorSport 4WD | GMC Sierra |
|---|---|---|
| Class IV receiver hitch | opt | — |
| 115-volt power outlet (truck bed) | opt | — |
| 5-ft. steel box | std | — |
| Adjustable rail-based tie-down system | opt | — |
| Class II bumper hitch | std | — |
| Damped three-position tailgate | std | — |
| Four-pin and seven-pin trailer wiring | std | — |
| Lockable and removable storage bin under rear seat | opt | — |
| Lockable rear behind-seat storage | std | — |
| Max Trailer Tow Group — includes heavy-duty 240-amp alternator, Class IV hitch receiver heavy-duty cooling, wide-track axles with 4.10:1 axle ratio | opt | — |
| Rear under-seat storage | std | — |
| Roll-up tonneau cover | opt | — |
| Spray-in bedliner | opt | — |
| Trail Rail Cargo Management Group — includes three box rails, four anchor pods, 115-volt bed power outlet, roll-up tonneau cover and lockable rear under-seat storage bin | opt | — |
| Trailer Tow and AUX Switch Group — includes heavy-duty 240-amp alternator, Class IV hitch receiver, heavy-duty cooling and programmable auxiliary switches | opt | — |
Highlighted rows are where the two differ. Wording is the manufacturer's own.
Safety record
NHTSA recalls, complaints, NCAPJeep Gladiator
Safety Signal 89 B
NHTSA overall —
Frontal / side / rollover ★★★★☆ / — / ★★★☆☆
Recalls 2
Owner complaints 3 · 0 crashes · 1 fires
Most complained about Service Brakes (1), Engine (1), Unspecified (1)
Top recalls
- high Wheels 26V456000 · 641 vehicles
- minor Back Over Prevention 26V531000 · 844,027 vehicles
GMC Sierra
Safety Signal 63 D
NHTSA overall ★★★★★
Frontal / side / rollover ★★★★★ / ★★★★★ / ★★★★☆
Recalls 5 · 2 critical
Owner complaints 150 · 1 crashes · 0 fires
Most complained about Engine (100), Power Train (35), Electrical System (18)
Do-not-drive advisory — open NHTSA recall with a consumer advisory.
Top recalls
- critical Electrical System 26V494000 · 11 vehicles
- critical Power Train 26V289000 · 66 vehicles
- high Wheels 26V496000 · 952 vehicles
- minor Equipment 26V114000 · 5,861 vehicles
- minor Electronic Stability Control (Esc) 25V594000 · 1,191 vehicles
Ownership
EPA, manufacturer warranty| Jeep GladiatorSport 4WD | GMC Sierra | |
|---|---|---|
| Price | — (base trim) | — |
| Price range across trims | — 5 trims | — |
| Powertrains | GAS | BEV, GAS, Diesel |
| EPA configuration compared | Gladiator 4WD | SIERRA EV Ext Range (11kW Charger) |
| Combined mpg / MPGe | 19 | 68 |
| EPA annual fuel cost | $3,550 | $1,100 |
| EV range | — | 410 mi |
| Basic warranty | — | 3 yr / 36,000 mi (make terms) |
| Powertrain warranty | — | 5 yr / 60,000 mi (make terms) |
| Roadside assistance | — | 5 yr |
Common questions
Source: EPA, NHTSA and manufacturer press kitsWhich is better, the 2026 Jeep Gladiator or the 2026 GMC Sierra?
The Jeep Gladiator wins clearly, 65.3 to 55.9, on safety. The GMC Sierra is ahead on fuel & range. Raise the fuel & range weight from 3 to 4 and it flips. On WhichTrim's default weights the 2026 Jeep Gladiator scores 65.3 and the 2026 GMC Sierra 55.9. The weights are yours to change — move what you care about and the verdict recalculates on the page.
Which has the better safety record, the 2026 Jeep Gladiator or the 2026 GMC Sierra?
2026 Jeep Gladiator: no NHTSA rating yet, grade B, 2 recalls. 2026 GMC Sierra: 5 NHTSA stars, grade D, 5 recalls. Crash ratings come from NHTSA's own tests; the grade is WhichTrim's read of the recall record, and the two can disagree.
What are the biggest differences between the 2026 Jeep Gladiator and the 2026 GMC Sierra?
Where the 2026 Jeep Gladiator wins: it has drawn fewer owner complaints (3 against 150 filed with NHTSA) and has the cleaner recall record (Safety Signal 89 against 63). Where the 2026 GMC Sierra answers: it is rated 68 combined against 19 (EPA mpg or MPGe) and costs $2,450 a year less to fuel on the EPA's estimate ($1,100 against $3,550).