2025 GMC Sierra 3500 HD SLE – 401 HP Heavy-Duty Pickup Truck
Specifications
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Specification |
Details |
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Model |
Sierra 3500 HD SLE |
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Vehicle Category |
Heavy-Duty Pickup Truck |
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Fuel Type |
Gasoline; optional Diesel |
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Application |
Heavy-duty towing, commercial work |
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Starting Price(2025) |
$51,600 (2WD, Regular Cab, Long Bed, SRW), including $1,995 destination charge; as shown: $57,595 (Crew Cab, 4WD, Standard Bed) |
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Color Options |
Exterior: Onyx Black ($495), Summit White (no cost), Cardinal Red ($495), Quicksilver Metallic ($495), Sterling Metallic ($495), Volcanic Red Tintcoat ($645), Titanium Rush Metallic ($495), Redwood Metallic ($495), Meteorite Metallic ($495), Downpour Metallic ($495); Interior: Jet Black (cloth) |
Frame & Drivetrain
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Specification |
Details |
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Engine |
6.6L V8, gasoline, direct injection (401 HP, 464 lb-ft); optional: 6.6L Duramax Turbo Diesel V8 (470 HP, 975 lb-ft) |
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Gross Horsepower |
401 HP @ 5200 RPM (6.6L V8 Gas) |
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Torque |
464 lb-ft @ 4000 RPM (6.6L V8 Gas) |
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Transmission Type |
Allison 10-speed automatic |
Suspension & Brakes
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Specification |
Details |
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Suspension |
Front: Independent short/long arm with torsion bars, Rear: Multi-leaf springs, standard shock absorbers; optional: X31 Off-Road Package with Rancho shocks, skid plates |
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Brakes |
4-wheel disc brakes, 14.0 in. front rotors, 14.1 in. rear rotors, 4-wheel ABS |
Wheels & Tyres
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Specification |
Details |
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Wheels & Tyres |
17 x 7.5 in. machined aluminum wheels, LT235/80R17E all-season blackwall tires (SRW); optional: 18 x 8.0 in. polished aluminum wheels |
Components & Features
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Specification |
Details |
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Chassis |
Body-on-frame, GM T1 platform |
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Seating |
6 passengers (standard bench, Crew Cab), 5 passengers (optional bucket seats), cloth front seats, 10-way power driver seat, heated front seats |
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Infotainment |
13.4 in. diagonal center touch-screen, 12.3 in. diagonal Driver Information Center, wireless Apple CarPlay/Android Auto, AM/FM stereo, 6 speakers; optional: SiriusXM, OnStar, myGMC mobile app, Google Built-In, MultiPro Tailgate Audio System by KICKER |
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Safety Features |
Sierra HD Pro Safety: Forward Collision Alert, Following Distance Indicator, Front Pedestrian Braking, IntelliBeam, Lane Departure Warning, Buckle to Drive, Automatic Emergency Braking; additional: StabiliTrak, traction control, 4-wheel ABS, dual front/side-impact airbags, head-curtain airbags, Rear Vision Camera; optional: Rear Park Assist, Side Blind Zone Alert, Trailer Side Blind Zone Alert, Adaptive Cruise Control with trailering, up to 13 camera views (including Transparent Trailer View) |
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Convenience Features |
MultiPro Tailgate, trailering package, trailering mirrors, LED headlamps/daytime running lamps, Traction Select System with Tow/Haul mode, dual-zone climate control, heated steering wheel, power windows/locks, remote keyless entry, push-button start; optional: X31 Off-Road Package (Rancho shocks, skid plates), bedliner, assist steps, up to 13 camera views |
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Cargo Capacity |
Standard box: 69.5 cu.ft., long box: 83.5 cu.ft., max payload: 6658 lbs (Crew Cab, SRW), max towing: 20,000 lbs (conventional), 36,000 lbs (gooseneck/fifth-wheel, diesel, DRW) |
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Fuel Tank |
36 gal |
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Weight |
7449 lbs (curb weight, 4WD, Crew Cab, gas engine, SRW) |
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Width |
81.9 in. (2077 mm, SRW); 96.6 in. (2454 mm, DRW, without mirrors) |
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Length |
257.2 in. (6533 mm, Crew Cab, standard box); 270.3 in. (6866 mm, Crew Cab, long box) |
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Max Height |
80.2 in. (2037 mm, SRW); 79.7 in. (2024 mm, DRW) |
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Ground Clearance |
11.2 in. (284 mm, SRW); 10.4 in. (264 mm, DRW) |