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| Details | GMC - Sierra 3500HD | Toyota - Alphard |
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| Brand | GMC | Toyota |
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| Model | Sierra 3500HD | Alphard |
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| Generation | Sierra 3500HD V (GMTT1XX, facelift 2024) Crew Cab Standard Bed | Alphard IV |
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| Modification | 6.6 Duramax TD V8 (470 Hp) 4WD SRW Automatic | 2.5 (182 Hp) 4WD Super CVT-i |
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| Start Of Production | 2024 | June, 2023 |
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Performance
| Specs | GMC - Sierra 3500HD | Toyota - Alphard |
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| Rating | | |
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Body & Dimensions
| Specs | GMC - Sierra 3500HD | Toyota - Alphard |
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| Rating | | |
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| Body Type | Pick-up | Minivan |
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| Seats | 5 | 7 |
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| Doors | 4 | 5 |
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| Length | 6369 mm 250.75 in. | 4995 mm 196.65 in. |
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| Width Including Mirrors | 2079 mm 81.85 in. | None |
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| Height | 2054 mm 80.87 in. | 1935 mm 76.18 in. |
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| Wheelbase | 4037 mm 158.94 in. | 3000 mm 118.11 in. |
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| Front Track | 1731 mm 68.15 in. | 1600 mm 62.99 in. |
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| Rear Track | 1736 mm 68.35 in. | 1600 mm 62.99 in. |
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| Ride Height Ground Clearance | 284 mm 11.18 in. | 150 mm 5.91 in. |
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Fuel Consumption
| Specs | GMC - Sierra 3500HD | Toyota - Alphard |
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| Rating | | |
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| Fuel Type | Diesel | Petrol (Gasoline) |
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Engine & Transmission
| Specs | GMC - Sierra 3500HD | Toyota - Alphard |
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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. | 182 Hp @ 6000 rpm. |
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| Power Per Litre | 71.2 Hp/l | 73 Hp/l |
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| Torque | 1322 Nm @ 1600 rpm. 975.06 lb.-ft. @ 1600 rpm. | 235 Nm @ 4100 rpm. 173.33 lb.-ft. @ 4100 rpm. |
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| Engine Layout | Front, Longitudinal | Front, Transverse |
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| Engine Model Code | L5P | 2AR-FE |
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| Engine Displacement | 6604 cm3 403 cu. in. | 2493 cm3 152.13 cu. in. |
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| Number Of Cylinders | 8 | 4 |
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| Engine Configuration | V-engine | Inline |
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| Cylinder Bore | 103 mm 4.06 in. | 90 mm 3.54 in. |
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| Piston Stroke | 99 mm 3.9 in. | 98 mm 3.86 in. |
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| Compression Ratio | 16 | None |
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| Number Of Valves Per Cylinder | 4 | 4 |
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| Fuel Injection System | Diesel Commonrail | Multi-port manifold injection |
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| Engine Aspiration | Turbocharger, Intercooler | Naturally aspirated engine |
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| Valvetrain | OHV | VVT |
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| Engine Oil Capacity | 9.5 l 10.04 US qt | 8.36 UK qt | None |
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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°) | None |
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| Coolant | 28.5 l 30.12 US qt | 25.08 UK qt | None |
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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 front wheels permanently, and the rear 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 | Coil spring, Independent type McPherson |
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| Rear Suspension | Rigid axle suspension, Leaf spring | Double wishbone, Coil spring |
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| Number Of Gears And Type Of Gearbox | 10 gears, automatic transmission Allison | automatic transmission Super CVT-i |
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Brakes
| Specs | GMC - Sierra 3500HD | Toyota - Alphard |
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| Rating | | |
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| Front Brakes | Ventilated discs, 355x40 mm | Ventilated discs |
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| Rear Brakes | Ventilated discs, 360x34 mm | Ventilated discs |
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| Steering Type | Cone worm with recirculation balls | Steering rack and pinion |
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| Power Steering | Hydraulic Steering | Electric Steering |
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| Tires Size | 275/70 R18; 275/65 R20 | 225/60 R18 |
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| Wheel Rims Size | 8J x 18; 8.5J x 20 | 7J x 18 |
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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 | Toyota - Alphard |
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| Rating | | |
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Weight & Capacity
| Specs | GMC - Sierra 3500HD | Toyota - Alphard |
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| Rating | | |
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| Weight To Power Ratio | 7.6 kg/Hp, 131.7 Hp/tonne | 11.6 kg/Hp, 85.8 Hp/tonne |
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| Weight To Torque Ratio | 2.7 kg/Nm, 370.3 Nm/tonne | 9 kg/Nm, 110.8 Nm/tonne |
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| Kerb Weight | 3570 kg 7870.5 lbs. | 2120 kg 4673.8 lbs. |
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| Max Weight | 5489 kg 12101.17 lbs. | 2505 kg 5522.58 lbs. |
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| Max Load | 1919 kg 4230.67 lbs. | 385 kg 848.78 lbs. |
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| Fuel Tank Capacity | 136 l 35.93 US gal | 29.92 UK gal | 65 l 17.17 US gal | 14.3 UK gal |
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| Permitted Trailer Load With Brakes 12 Percent | 9072 kg 20000.34 lbs. | None |
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