GMC
GMC Sierra - T1XX (2018–2021) Specs
Specifications, engines, dimensions and technical data.
Gen 5
2018 - 2022
T1XX
Pick Up
W
L
H
WB
GC
Boot
Engine
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Power
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Fuel
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Gears
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Platform
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Body Style
Chassis
Engines
Quick Specs
Fuel
Fuel
Combined
Combined
Engine Lineup
| Trans | Engine | Gears | HP | Fuel | CO₂ |
|---|---|---|---|---|---|
| AT | 2.7 Turbo Automatic | 8 | 310 HP | Petrol | — |
| AT | 4.3 V6 Automatic | 6 | 285 HP | Petrol | — |
| AT | AT4 3.0 Duramax TD 4WD Automatic | 10 | 277 HP | Diesel | — |
| AT | AT4 5.3 V8 4WD Automatic | 6 | 355 HP | Petrol | — |
| AT | AT4X 6.2 V8 4WD Automatic | 10 | 420 HP | Petrol | — |
Note: Performance figures may vary based on market and conditions.
GMC Sierra - T1XX overview
The GMC Sierra - (T1XX) is the 5th generation of the Sierra -, built from 2018 to 2021. It is offered as a Pick Up with 5 engines (diesel, petrol), from 277 HP to 420 HP. The 6.2 V8 (420 Hp) 4WD Automatic is 6128 mm long.
How much horsepower does the GMC Sierra - have?
The GMC Sierra - (T1XX) has 277 HP to 420 HP, depending on the engine: 3.0 Duramax (277 HP), 4.3 Ecotec3 (285 HP), 2.7 Turbomax (310 HP), 5.3 Ecotec3 (355 HP), 6.2 Ecotec3 (420 HP).
What engines are available for the GMC Sierra -?
The GMC Sierra - is available with 5 engines: 3.0 Duramax (277 HP, diesel), 4.3 Ecotec3 (285 HP, petrol), 2.7 Turbomax (310 HP, petrol), 5.3 Ecotec3 (355 HP, petrol), 6.2 Ecotec3 (420 HP, petrol).
What are the dimensions of the GMC Sierra -?
The GMC Sierra - is 6128 mm long, 1915 mm tall, with a 3987 mm wheelbase.
Advanced Specs
Overview
| Generation | GMC Sierra V GMTT1XX Crew Cab Standard Box |
|---|---|
| Year | 2018–2021 |
| Platform | GM GMT Platform / GMTT1XX |
| Variant | 6.2 V8 (420 Hp) 4WD Automatic |
| Body type | Pick Up |
| Engine type | Fuel |
| Fuel type | Petrol |
| Seats | 5 |
| Doors | 4 |
Power & torque
| Power | 420 HP |
|---|---|
| Power @ max rpm | 5600 rpm |
| Torque | 623 Nm |
| Torque @ max rpm | 4100 rpm |
Engine
| Engine code | L87 |
|---|---|
| Displacement | 6162 cc |
| Cylinders | 8 |
| Configuration | V Engine |
| Bore | 103.3 mm |
| Stroke | 92.0 mm |
| Compression ratio | 11.5 |
| Valves per cylinder | 2 |
| Injection system | Direct Injection |
| Aspiration | Naturally Aspirated Engine |
| Valvetrain | ohv |
| Oil capacity | 7.6 L |
| Coolant | 12.6 L |
| Engine layout | Front Longitudinal |
| Engine systems | Start Stop Systemcylinder Deactivation System |
Drivetrain & transmission
| Drive | All wheel drive (4x4) |
|---|---|
| Powertrain architecture | Internal Combustion Engine |
| 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 |
| Gearbox type | Torque Converter |
| Gears | 10 |
| Gearbox code | 10l80 |
| Gearbox manufacturer | gm |
Dimensions
| Length | 6128 mm |
|---|---|
| Height | 1915 mm |
| Wheelbase | 3987 mm |
Mass
| Kerb weight | 2254 kg |
|---|---|
| Max weight | 3221 kg |
| Max load | 967 kg |
Consumption & emissions
| Fuel urban | 15.7 L/100km |
|---|---|
| Fuel extra urban | 11.8 L/100km |
| Fuel tank | 91.0 L |
Chassis & brakes
| Front suspension | Independent Coil Spring |
|---|---|
| Rear suspension | Rigid Axle Suspension Leaf Spring |
| Front brakes | Ventilated discs, 330x30 mm |
| Rear brakes | Ventilated discs, 345x20 mm |
| Steering type | Steering Rack And Pinion |
| Power steering | Electric Steering |
| Tire size | 255/70 R17; 265/70 R17; 265/65 R18 |
| Wheel rims | 8.0J x 17; 8.5J x 18 |
| Assisting systems | Abs Anti Lock Braking System |
Efficiency ratios
| Weight-to-power | 5.4 kg/Hp, 186.3 Hp/tonne |
|---|---|
| Weight-to-torque | 3.6 kg/Nm, 276.4 Nm/tonne |
Other
| Start Of Production | 2018 |
|---|---|
| End Of Production | 2021 |
| Width Including Mirrors | 2063 |
Performance
Engine speed (1k/rpm)
! Figures from catalog data; real-world values may differ.
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