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Gmc 5.3 V8 (355 Hp) Automatic

General information
Photo of 2018 - 2021 Gmc 5.3 V8 (355 Hp) Automatic Pick-up (420 Hp) - technical specs and dimensions
Power 420 Hp @ 5600 rpm.
Torque 623 Nm @ 4100 rpm.
Brand
GMC
Model
Sierra 1500
Generation
Sierra 1500 V (GMTT1XX) Crew Cab Standard Box
Modification (Engine)
6.2 V8 (420 Hp) 4WD Automatic
Start of production
2018 year
End of production
2021 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 1500 Review

Introduced in 2018, the Gmc Sierra 1500 (generation Sierra 1500 V (GMTT1XX) Crew Cab Short Box) is a classic Pick-up offering the 5.3 V8 (355 Hp) Automatic specification. Its propulsion comes from a 6162 cm3 setup, generating a respectable 420 Hp @ 5600 rpm.. Featuring Naturally aspirated engine aspiration, it produces a peak torque of 623 Nm @ 4100 rpm. for robust performance. The specific output is rated at 68.2 Hp/l per litre.

Introduced in 2018 - 2021, the Gmc 5.3 V8 (355 Hp) Automatic brings a high level of engineering and build quality to its segment. Technically satisfying, the model responds to driver expectations with its 420 Hp @ 5600 rpm. unit. 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 delivers **+110 Hp** more power compared to its sibling 2.7 Turbo (310 Hp) 4WD Automatic. This model delivers **+143 Hp** more power compared to its sibling 2.7 Turbo (310 Hp) Automatic.
FAQ
How many horsepower does Gmc 5.3 V8 (355 Hp) Automatic have? +
The Gmc 5.3 V8 (355 Hp) Automatic model is equipped with an engine producing 420 Hp @ 5600 rpm. total horsepower.
What drivetrain does the Gmc 5.3 V8 (355 Hp) Automatic have? +
This model transfers power to the road via a All wheel drive (4x4) drivetrain.
Is the Gmc 5.3 V8 (355 Hp) Automatic a good car? +
Considering the technical specs and market position, the Gmc 5.3 V8 (355 Hp) Automatic is a highly competitive and desirable model in its class.
Is Gmc 5.3 V8 (355 Hp) Automatic reliable? +
The Gmc 5.3 V8 (355 Hp) Automatic is built with high engineering standards and is generally considered a reliable vehicle with proper maintenance.
Performance specs
Fuel consumption (economy) - urban
15.7 l/100 km
Fuel consumption shows how much fuel the car consumes on average per 100 km. Lower figures represent better fuel economy and lower running costs.
Fuel consumption (economy) - extra urban
11.8 l/100 km
Fuel consumption shows how much fuel the car consumes on average per 100 km. Lower figures represent better fuel economy and lower running costs.
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
5.4 kg/Hp, 186.3 Hp/tonne
Weight-to-torque ratio
3.6 kg/Nm, 276.4 Nm/tonne
Engine specs
Power
420 Hp @ 5600 rpm.
Power per litre
68.2 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
623 Nm @ 4100 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
L87
Engine displacement
6162 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
103.25 mm
Piston stroke
92 mm
Compression ratio
11.5:1
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
12.6 l
Engine systems
Start & Stop SystemCylinder deactivation system
Space, Volume and weights
Kerb Weight
2254 kg
Curb weight is a key parameter affecting fuel consumption, handling agility, acceleration times, and stopping distances.
Max. weight
3221 kg
Curb weight is a key parameter affecting fuel consumption, handling agility, acceleration times, and stopping distances.
Max. load
967 kg
Fuel tank capacity
91 l
Permitted trailer load with brakes (12%)
4082 kg
Dimensions
Length
6128 mm
Width including mirrors
2063 mm
Height
1915 mm
Wheelbase
3987 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
Front suspension
Independent coil spring
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, 330x30 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, 345x20 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
Steering rack and pinion
Power steering
Electric Steering
Tires size
255/70 R17; 265/70 R17; 265/65 R18
Tire size specifies the tread width, aspect ratio, and rim diameter, affecting the balance between handling grip and ride comfort.
Wheel rims size
8.0J x 17; 8.5J x 18
Common OBD2 Fault Codes
P0117 🟡 Medium
Coolant Temperature Sensor Circuit Low
Diagnostic Guide
P0118 🟡 Medium
Coolant Temperature Sensor Circuit High
Diagnostic Guide
P0120 🔴 High
Throttle/Pedal Position Sensor A Circuit
Diagnostic Guide
P0121 🔴 High
TPS Range/Performance
Diagnostic Guide
Similar Models
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6.2 diesel V8 (135 Hp) 4WD
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Gmc Sierra 1500 6.2 diesel V8 (126 Hp) 4WD
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User Reviews
H
Harry Z.
25 months ago
★★★★★
Been driving it for 3 months now. Very responsive throttle, makes highway overtaking a breeze. Spacious interior and practical cargo capacity. I highly recommend it, won't disappoint.
C
Charlie 88
27 weeks ago
★★★☆☆
Anyone knows the real-world N/A usage?
T
Thomas 90
10 weeks ago
★★★★☆
Just picked mine up last week! N/A economy is better than I expected. Interior quality is premium for this class. Definitely a solid choice in this price range.
J
James 90
26 months ago
★★★★★
Been driving it for 3 months now. Acceleration is punchy and satisfying. Sound insulation is great, very quiet cabin at high speeds. If you are thinking about buying one, go test drive it.
C
Charlie 90
12 months ago
★★★★★
Does anyone experience any rattles or squeaks over time?

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