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Gmc 6.6 V8 (401 Hp) 4WD DRW Automatic

General information
No photo
Power 401 Hp @ 5200 rpm.
Torque 629 Nm @ 4000 rpm.
Brand
GMC
Model
Sierra 3500HD
Generation
Sierra 3500HD V (GMTT1XX, facelift 2024) Regular Cab Long Bed
Modification (Engine)
6.6 V8 (401 Hp) 4WD SRW Automatic
Start of production
2024 year
Powertrain Architecture
Internal Combustion engine
Powertrain architecture classifies the propulsion technology of the vehicle, such as internal combustion, electric (BEV), or hybrid.
Body type
Pick-up
Body type refers to the structural design and shape of the vehicle (such as Sedan, Hatchback, SUV, or Coupe).
Seats
2
Seat count specifies the maximum passenger capacity the vehicle is legally approved to transport at once.
Doors
2
Door count indicates the total number of entry points for passengers and cargo access (e.g., 3-door, 5-door).

Gmc Sierra 3500HD Review

As a Pick-up model, the Gmc Sierra 3500HD Sierra 3500HD V (GMTT1XX) Crew Cab Long Bed (6.6 V8 (401 Hp) 4WD DRW Automatic) has been in production since 2024. The heart of the vehicle is a internal combustion engine producing 401 Hp @ 5200 rpm.. The power is delivered smoothly across 8 cylinders.

The Gmc 6.6 V8 (401 Hp) 4WD DRW Automatic stands out as a prominent 2024 - model that has gained significant attention in the automotive world. The motor is capable of generating 401 Hp @ 5200 rpm. at its peak. It demonstrates a steady character and inspires confidence through its handling. Whether for performance or efficiency, this model remains a successful example in today's market.
📊 Model Comparison AnalysisThis model has **69 Hp** lower power than 6.6 Duramax TD V8 (470 Hp) 4WD DRW Automatic. This model has **69 Hp** lower power than 6.6 Duramax TD V8 (470 Hp) 4WD SRW Automatic.
FAQ
How many horsepower does Gmc 6.6 V8 (401 Hp) 4WD DRW Automatic have? +
The Gmc 6.6 V8 (401 Hp) 4WD DRW Automatic model is equipped with an engine producing 401 Hp @ 5200 rpm. total horsepower.
What drivetrain does the Gmc 6.6 V8 (401 Hp) 4WD DRW Automatic have? +
This model transfers power to the road via a All wheel drive (4x4) drivetrain.
Is the Gmc 6.6 V8 (401 Hp) 4WD DRW Automatic a good car? +
Considering the technical specs and market position, the Gmc 6.6 V8 (401 Hp) 4WD DRW Automatic is a highly competitive and desirable model in its class.
Is Gmc 6.6 V8 (401 Hp) 4WD DRW Automatic reliable? +
The Gmc 6.6 V8 (401 Hp) 4WD DRW Automatic is built with high engineering standards and is generally considered a reliable vehicle with proper maintenance.
Performance specs
Fuel Type
Petrol (Gasoline)
Fuel type defines the primary source of energy required by the vehicle’s engine (petrol, diesel, electricity, hybrid, LPG, etc.).
Weight-to-power ratio
7.5 kg/Hp, 132.5 Hp/tonne
Weight-to-torque ratio
4.8 kg/Nm, 207.9 Nm/tonne
Engine specs
Power
401 Hp @ 5200 rpm.
Torque
629 Nm @ 4000 rpm.
Torque represents the engine’s rotational force, which determines pulling power. High torque ensures responsive acceleration and stronger uphill performance.
Engine layout
Front, Longitudinal
Engine layout defines the position and alignment of the engine block. This layout affects the car’s weight distribution, handling, and interior cabin space.
Engine Model Code
L8T
Number of cylinders
8
Cylinder count represents the number of combustion chambers. More cylinders generally result in smoother operation and a refined engine note.
Engine configuration
V-engine
Cylinder bore
103.25 mm
Piston stroke
98 mm
Compression ratio
10.8:1
Number of valves per cylinder
2
Valves per cylinder control the airflow into and exhaust out of the engine. More valves improve high-RPM breathing and performance.
Fuel injection system
Direct injection
Engine aspiration
Naturally aspirated engine
Aspiration describes how the engine draws air into its cylinders, distinguishing naturally aspirated setups from turbochargers or superchargers.
Valvetrain
OHV
Engine oil capacity
7.6 l
Coolant
14.6 l
Space, Volume and weights
Kerb Weight
3026 kg
Curb weight is a key parameter affecting fuel consumption, handling agility, acceleration times, and stopping distances.
Max. weight
5125 kg
Curb weight is a key parameter affecting fuel consumption, handling agility, acceleration times, and stopping distances.
Max. load
2099 kg
Fuel tank capacity
136 l
Permitted trailer load with brakes (12%)
6577 kg
Dimensions
Length
6002 mm
Width including mirrors
2076 mm
Height
2056 mm
Wheelbase
3595 mm
Front track
1731 mm
Rear / Back Track
1736 mm
Ride height (ground clearance)
285 mm
Drivetrain, brakes and suspension specs
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.
Drivetrain type specifies which wheels receive power from the engine. This affects road grip, cornering, and stability on slippery surfaces.
Drive wheel
All wheel drive (4x4)
Drivetrain type specifies which wheels receive power from the engine. This affects road grip, cornering, and stability on slippery surfaces.
Number of gears and type of gearbox
10 gears, automatic transmission Allison
Front suspension
Independent torsion bar, double wishbone
The suspension system absorbs road bumps, providing cabin comfort and keeping tires firmly planted on the road surface.
Rear suspension
Rigid axle suspension, Leaf spring
The suspension system absorbs road bumps, providing cabin comfort and keeping tires firmly planted on the road surface.
Front brakes
Ventilated discs, 355x40 mm
The brake system is a vital safety component that uses friction to slow down or bring the vehicle to a complete stop.
Rear brakes
Ventilated discs, 360x34 mm
The brake system is a vital safety component that uses friction to slow down or bring the vehicle to a complete stop.
Assisting systems
ABS (Anti-lock braking system)
Steering type
Cone worm with recirculation balls
Power steering
Hydraulic Steering
Tires size
275/70 R18; 275/65 R20
Tire size specifies the tread width, aspect ratio, and rim diameter, affecting the balance between handling grip and ride comfort.
Wheel rims size
8J x 18; 8.5J x 20
Common OBD2 Fault Codes
P1100 🔴 High
Manufacturer Specific Engine Fault Code P1100
Diagnostic Guide
P1102 🔴 High
Manufacturer Specific Engine Fault Code P1102
Diagnostic Guide
P1104 🔴 High
Manufacturer Specific Engine Fault Code P1104
Diagnostic Guide
P1106 🔴 High
Manufacturer Specific Engine Fault Code P1106
Diagnostic Guide
Similar Models
Gmc Sierra 3500HD 6.6 V8 (401 Hp) SRW Automatic
Gmc Sierra 3500HD
6.6 V8 (401 Hp) SRW Automatic
Gmc Sierra 3500HD 6.6 V8 (401 Hp) 4WD SRW Automatic
Gmc Sierra 3500HD
6.6 V8 (401 Hp) 4WD SRW Automatic
Gmc Sierra 3500HD 6.6 V8 (401 Hp) 4WD DRW Automatic
Gmc Sierra 3500HD
6.6 V8 (401 Hp) 4WD DRW Automatic
Gmc Sierra 3500HD 6.6 Duramax TD V8 (470 Hp) SRW Automatic
Gmc Sierra 3500HD
6.6 Duramax TD V8 (470 Hp) SRW Automatic
User Reviews
H
Henry B.
20 weeks ago
★★★★★
Switched from a different brand. Acceleration is punchy and satisfying. Sound insulation is great, very quiet cabin at high speeds. Value for money is unmatched, highly recommended.
A
Arthur S.
8 months ago
★★★★☆
Just picked mine up last week! N/A economy is better than I expected. The exterior design looks sharp and modern in person. Value for money is unmatched, highly recommended.
J
Jack 88
9 months ago
★★★★★
Just picked mine up last week! The 401 Hp @ 5200 rpm. hp feels more than enough for daily driving. The exterior design looks sharp and modern in person. Worth every single penny spent.
C
Charlie T.
23 days ago
★★★★★
Switched from a different brand. N/A economy is better than I expected. The handling in corners is very safe. If you are thinking about buying one, go test drive it.
N
Noah Z.
4 months ago
★★★★★
Ordered it immediately after a quick test drive. N/A efficiency is surprisingly good for this class. The handling in corners is very safe. Worth every single penny spent.
N
Noah V.
10 days ago
★★★★★
Anyone knows the real-world N/A usage?

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