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Gmc 6.6 Duramax TD V8 (445 Hp) SRW Automatic

General information
No photo
Power 445 Hp @ 2800 rpm.
Torque 1234 Nm @ 1600 rpm.
Brand
GMC
Model
Sierra 3500HD
Generation
Sierra 3500HD IV (GMTK2XX) Double Cab Long Box
Modification (Engine)
6.6 Duramax TD V8 (445 Hp) SRW Automatic
Start of production
2017 year
End of production
2019 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
5
Seat count specifies the maximum passenger capacity the vehicle is legally approved to transport at once.
Doors
4
Door count indicates the total number of entry points for passengers and cargo access (e.g., 3-door, 5-door).

Gmc Sierra 3500HD Review

The Gmc Sierra 3500HD Sierra 3500HD IV (GMTK2XX) Regular Cab Long Box (6.6 Duramax TD V8 (445 Hp) SRW Automatic) is a Pick-up vehicle that entered production in 2017. Under the hood, it features a 6604 cm3 engine that pushes out 445 Hp @ 2800 rpm.. Technically, the vehicle features a Front, Longitudinal engine placement and is equipped with a 8-cylinder block. It produces a maximum torque of 1234 Nm @ 1600 rpm..

Introduced in 2017 - 2019, the Gmc 6.6 Duramax TD V8 (445 Hp) SRW Automatic brings a high level of engineering and build quality to its segment. This version boasts a robust powertrain under the hood, producing a total of 445 Hp @ 2800 rpm.. This vehicle satisfies expectations in both city and highway driving. Ultimately, the Gmc 6.6 Duramax TD V8 (445 Hp) SRW Automatic offers a desirable option through both design and engineering.
FAQ
How many horsepower does Gmc 6.6 Duramax TD V8 (445 Hp) SRW Automatic have? +
The Gmc 6.6 Duramax TD V8 (445 Hp) SRW Automatic model is equipped with an engine producing 445 Hp @ 2800 rpm. total horsepower.
What drivetrain does the Gmc 6.6 Duramax TD V8 (445 Hp) SRW Automatic have? +
This model transfers power to the road via a Rear wheel drive drivetrain.
Is the Gmc 6.6 Duramax TD V8 (445 Hp) SRW Automatic a good car? +
Considering the technical specs and market position, the Gmc 6.6 Duramax TD V8 (445 Hp) SRW Automatic is a highly competitive and desirable model in its class.
Is Gmc 6.6 Duramax TD V8 (445 Hp) SRW Automatic reliable? +
The Gmc 6.6 Duramax TD V8 (445 Hp) SRW Automatic is built with high engineering standards and is generally considered a reliable vehicle with proper maintenance.
Performance specs
Fuel Type
Diesel
Fuel type defines the primary source of energy required by the vehicle’s engine (petrol, diesel, electricity, hybrid, LPG, etc.).
Weight-to-power ratio
7.4 kg/Hp, 135.1 Hp/tonne
Weight-to-torque ratio
2.7 kg/Nm, 374.7 Nm/tonne
Engine specs
Power
445 Hp @ 2800 rpm.
Power per litre
67.4 Hp/l
Power per litre (specific power) measures the engine power relative to its displacement. A higher value indicates advanced efficiency and engineering quality.
Torque
1234 Nm @ 1600 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
Duramax L5P
Engine displacement
6604 cm3
Engine displacement represents the combined volume of all cylinders. It is a direct indicator of engine size and baseline performance potential.
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 mm
Piston stroke
99 mm
Compression ratio
16:1
Number of valves per cylinder
4
Valves per cylinder control the airflow into and exhaust out of the engine. More valves improve high-RPM breathing and performance.
Fuel injection system
Diesel Commonrail
Engine aspiration
Turbocharger, Intercooler
Aspiration describes how the engine draws air into its cylinders, distinguishing naturally aspirated setups from turbochargers or superchargers.
Valvetrain
OHV
Engine oil capacity
9.5 l
Coolant
29.7 l
Engine systems
Particulate filter
Space, Volume and weights
Kerb Weight
3293 kg
Curb weight is a key parameter affecting fuel consumption, handling agility, acceleration times, and stopping distances.
Max. weight
5080 kg
Curb weight is a key parameter affecting fuel consumption, handling agility, acceleration times, and stopping distances.
Max. load
1787 kg
Trunk (boot) space - maximum
2162 l
Fuel tank capacity
136 l
Permitted trailer load with brakes (12%)
6577 kg
Dimensions
Length
6321 mm
Width including mirrors
2045 mm
Height
1981 mm
Wheelbase
4017 mm
Front track
1748 mm
Rear / Back Track
1709 mm
Minimum turning circle (turning diameter)
16.2 m
Drivetrain, brakes and suspension specs
Drivetrain Architecture
The Internal combustion engine (ICE) drives the rear wheels of the vehicle.
Drivetrain type specifies which wheels receive power from the engine. This affects road grip, cornering, and stability on slippery surfaces.
Drive wheel
Rear wheel drive
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
6 gears, automatic transmission Allison
Front suspension
Coil spring, Double wishbone, Transverse stabilizer
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, 373x34 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
Tires size
235/80 R17; 265/70 R18
Tire size specifies the tread width, aspect ratio, and rim diameter, affecting the balance between handling grip and ride comfort.
Wheel rims size
7.5J x 17; 8J x 18
Common OBD2 Fault Codes
P1198 🔴 High
Manufacturer Specific Engine Fault Code P1198
Diagnostic Guide
P1200 🔴 High
Manufacturer Specific Engine Fault Code P1200
Diagnostic Guide
P1202 🔴 High
Manufacturer Specific Engine Fault Code P1202
Diagnostic Guide
P1204 🔴 High
Manufacturer Specific Engine Fault Code P1204
Diagnostic Guide
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User Reviews
N
Noah Z.
17 months ago
★★★★★
Decided on this after deep research. N/A efficiency is surprisingly good for this class. Suspension handles bumps and rough roads very smoothly. No regrets so far, extremely happy with my purchase.
J
Jack 84
8 months ago
★★★★★
Got this car a few months ago. The engine is snappy, great response time. Sound insulation is great, very quiet cabin at high speeds. Value for money is unmatched, highly recommended.
H
Harry V.
27 months ago
★★★★★
Bought a used model in great condition last year. Engine performance exceeded my expectations. Interior quality is premium for this class. If you're undecided, just go for it.
O
Oliver A.
23 weeks ago
★★★★☆
Bought a used model in great condition last year. N/A efficiency is surprisingly good for this class. Spacious interior and practical cargo capacity. If you are thinking about buying one, go test drive it.
O
Oliver 92
2 days ago
★★★☆☆
Does anyone experience any rattles or squeaks over time?

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