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| Details | GMC - Sierra 3500HD | GMC - Sierra 2500HD |
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| Brand | GMC | GMC |
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| Model | Sierra 3500HD | Sierra 2500HD |
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| Generation | Sierra 3500HD V (GMTT1XX, facelift 2024) Crew Cab Standard Bed | Sierra 2500HD V (GMTT1XX, facelift 2024) Double Cab Long Bed |
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| Modification | 6.6 Duramax TD V8 (470 Hp) 4WD SRW Automatic | 6.6 Duramax TD V8 (470 Hp) 4WD Automatic |
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| Start Of Production | 2024 | 2023 |
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Performance
| Specs | GMC - Sierra 3500HD | GMC - Sierra 2500HD |
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| Rating | | |
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Body & Dimensions
| Specs | GMC - Sierra 3500HD | GMC - Sierra 2500HD |
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| Rating | | |
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| Body Type | Pick-up | Pick-up |
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| Seats | 5 | 5 |
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| Doors | 4 | 4 |
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| Length | 6369 mm 250.75 in. | 6534 mm 257.24 in. |
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| Width Including Mirrors | 2079 mm 81.85 in. | 2079 mm 81.85 in. |
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| Height | 2054 mm 80.87 in. | 2027 mm 79.8 in. |
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| Wheelbase | 4037 mm 158.94 in. | 4127 mm 162.48 in. |
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| Front Track | 1731 mm 68.15 in. | 1731 mm 68.15 in. |
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| Rear Track | 1736 mm 68.35 in. | 1736 mm 68.35 in. |
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| Ride Height Ground Clearance | 284 mm 11.18 in. | 257 mm 10.12 in. |
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Fuel Consumption
| Specs | GMC - Sierra 3500HD | GMC - Sierra 2500HD |
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| Rating | | |
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| Fuel Type | Diesel | Diesel |
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Engine & Transmission
| Specs | GMC - Sierra 3500HD | GMC - Sierra 2500HD |
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| Rating | | |
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| Powertrain Architecture | Internal Combustion engine | Internal Combustion engine |
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| Power | 470 Hp @ 2800 rpm. | 470 Hp @ 2800 rpm. |
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| Power Per Litre | 71.2 Hp/l | 71.2 Hp/l |
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| Torque | 1322 Nm @ 1600 rpm. 975.06 lb.-ft. @ 1600 rpm. | 1322 Nm @ 1600 rpm. 975.06 lb.-ft. @ 1600 rpm. |
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| Engine Layout | Front, Longitudinal | Front, Longitudinal |
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| Engine Model Code | L5P | L5P |
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| Engine Displacement | 6604 cm3 403 cu. in. | 6604 cm3 403 cu. in. |
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| Number Of Cylinders | 8 | 8 |
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| Engine Configuration | V-engine | V-engine |
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| Cylinder Bore | 103 mm 4.06 in. | 103 mm 4.06 in. |
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| Piston Stroke | 99 mm 3.9 in. | 99 mm 3.9 in. |
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| Compression Ratio | 16 | 16 |
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| Number Of Valves Per Cylinder | 4 | 4 |
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| Fuel Injection System | Diesel Commonrail | Diesel Commonrail |
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| Engine Aspiration | Turbocharger, Intercooler | Turbocharger, Intercooler |
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| Valvetrain | OHV | OHV |
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| Engine Oil Capacity | 9.5 l 10.04 US qt | 8.36 UK qt | 9.5 l 10.04 US qt | 8.36 UK qt |
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| Engine Oil Specification | 15W-40 / API CJ-4, API CK-4 5W-40 / API CJ-4, API CK-4 (<-18 C°) | 15W-40 / API CJ-4, API CK-4 5W-40 / API CJ-4, API CK-4 (<-18 C°) |
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| Coolant | 28.5 l 30.12 US qt | 25.08 UK qt | 28.5 l 30.12 US qt | 25.08 UK qt |
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| Drivetrain Architecture | The Internal combustion engine (ICE) drives the rear wheels permanently, and the front wheels are driven through an electrically or mechanically operated clutch if necessary. | The Internal combustion engine (ICE) drives the rear wheels permanently, and the front wheels are driven through an electrically or mechanically operated clutch if necessary. |
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| Drive Wheel | All wheel drive (4x4) | All wheel drive (4x4) |
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| Front Suspension | Independent torsion bar, double wishbone | Independent torsion bar, double wishbone |
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| Rear Suspension | Rigid axle suspension, Leaf spring | Rigid axle suspension, Leaf spring |
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| Number Of Gears And Type Of Gearbox | 10 gears, automatic transmission Allison | 10 gears, automatic transmission Allison |
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Brakes
| Specs | GMC - Sierra 3500HD | GMC - Sierra 2500HD |
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| Rating | | |
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| Front Brakes | Ventilated discs, 355x40 mm | Ventilated discs, 350x40 mm |
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| Rear Brakes | Ventilated discs, 360x34 mm | Ventilated discs, 360x34 mm |
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| Steering Type | Cone worm with recirculation balls | Cone worm with recirculation balls |
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| Power Steering | Hydraulic Steering | Hydraulic Steering |
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| Tires Size | 275/70 R18; 275/65 R20 | 235/80 R17; 265/70 R17; 245/75 R17; 265/70 R18; 265/60 R20 |
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| Wheel Rims Size | 8J x 18; 8.5J x 20 | 7.5J x 17; 8J x 18; 8.5J x 20 |
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| Assisting Systems | ABS (Anti-lock braking system) | ABS (Anti-lock braking system) |
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Battery - Electric / Hybrid
| Specs | GMC - Sierra 3500HD | GMC - Sierra 2500HD |
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| Rating | | |
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Weight & Capacity
| Specs | GMC - Sierra 3500HD | GMC - Sierra 2500HD |
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| Rating | | |
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| Weight To Power Ratio | 7.6 kg/Hp, 131.7 Hp/tonne | 7.4 kg/Hp, 135.5 Hp/tonne |
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| Weight To Torque Ratio | 2.7 kg/Nm, 370.3 Nm/tonne | 2.6 kg/Nm, 381.2 Nm/tonne |
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| Kerb Weight | 3570 kg 7870.5 lbs. | 3468 kg 7645.63 lbs. |
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| Max Weight | 5489 kg 12101.17 lbs. | 5080 kg 11199.48 lbs. |
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| Max Load | 1919 kg 4230.67 lbs. | 1612 kg 3553.85 lbs. |
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| Fuel Tank Capacity | 136 l 35.93 US gal | 29.92 UK gal | 136 l 35.93 US gal | 29.92 UK gal |
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| Permitted Trailer Load With Brakes 12 Percent | 9072 kg 20000.34 lbs. | 7983 kg 17599.5 lbs. |
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