2025 GMC Sierra 2500 HD SLT – 401 HP Heavy-Duty Pickup Truck
Specifications
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Specification |
Details |
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Model |
Sierra 2500 HD SLT |
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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) |
$60,100 (2WD, Double Cab, Standard Bed), $64,700 (4WD, Crew Cab, Standard Bed), including $1,995 destination charge; as shown: $65,795 (Crew Cab, 4WD, SB) |
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Color Options |
Exterior: Onyx Black ($495), Cardinal Red ($495), Quicksilver Metallic ($495), Summit White (no cost), Sterling Metallic ($495), Volcanic Red Tintcoat ($645), Titanium Rush Metallic ($495), Redwood Metallic ($495), Meteorite Metallic ($495), Downpour Metallic ($495); Interior: Jet Black or Dark Walnut/Slate (leather) |
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 |
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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 |
18 x 8.0 in. machined aluminum wheels with dark grey metallic accents, LT275/70R18 all-season blackwall tires; optional: 20 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 |
5 passengers (bucket seats), perforated leather front seats, 10-way power driver/passenger seats with lumbar, heated/ventilated front seats, heated rear outboard 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, 7-speaker Bose audio, SiriusXM, OnStar, myGMC mobile app; optional: Google Built-In |
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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, Trailer Side Blind Zone Alert, Rear Cross-Traffic Alert; optional: Rear Park Assist, 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, ProGrade Trailering System with In-Vehicle Trailering App, dual-zone climate control, heated steering wheel, power windows/locks, remote keyless entry, push-button start, integrated trailer brake controller, rain-sensing wipers, auto-dimming mirrors; optional: up to 13 camera views, bedliner, assist steps, 10-way power-adjustable front heated/ventilated bucket seats with perforated leather |
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Cargo Capacity |
Standard box: 69.5 cu.ft., max payload: 3395 lbs, max towing: 20,000 lbs (gas), 22,390 lbs (diesel, fifth wheel/gooseneck) |
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Fuel Tank |
36 gal |
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Weight |
7417 lbs (curb weight, 4WD, Crew Cab, gas engine) |
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Width |
81.85 in. (2077 mm, without mirrors) |
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Length |
250.75 in. (6353 mm, Crew Cab, standard box) |
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Max Height |
79.82 in. (2027 mm) |
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Ground Clearance |
10.12 in. (257 mm) |