CHEVROLET
Chevrolet Suburban 2027 GMTT1XX Facelift Specs
Specifications, engines, dimensions and technical data.
Gen 12
2020 - present
GMTT1XX
SUV
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 | 3.0d Hydra-Matic | 10 | 305 HP | Diesel | — |
| AT | 5.3 V8 Hydra-Matic | 10 | 355 HP | Petrol | — |
| AT | 6.2 V8 Hydra-Matic | 10 | 420 HP | Petrol | — |
Note: Performance figures may vary based on market and conditions.
2027 Chevrolet Suburban GMTT1XX Facelift overview
The 2027 Chevrolet Suburban (GMTT1XX Facelift) is the 12th generation of the Suburban, built from 2024 to present. It is offered as a SUV with 3 engines (diesel, petrol), from 305 HP to 420 HP.
How much horsepower does the 2027 Chevrolet Suburban have?
The 2027 Chevrolet Suburban (GMTT1XX Facelift) has 305 HP to 420 HP, depending on the engine: 3.0 Duramax (305 HP), 5.3 Ecotec3 (355 HP), 6.2 Ecotec3 (420 HP).
What engines are available for the 2027 Chevrolet Suburban?
The 2027 Chevrolet Suburban is available with 3 engines: 3.0 Duramax (305 HP, diesel), 5.3 Ecotec3 (355 HP, petrol), 6.2 Ecotec3 (420 HP, petrol).
Advanced Specs
Overview
| Generation | Chevrolet Suburban GMTT1XX facelift |
|---|---|
| Year | 2024–present |
| Platform | GM GMT Platform / GMTT1XX |
| Variant | 5.3 V8 (355 Hp) 4WD Hydra-Matic |
| Body type | suv |
| Engine type | Fuel |
| Fuel type | Petrol |
| Seats | 7 |
| Doors | 5 |
Power & torque
| Power | 355 HP |
|---|---|
| Power @ max rpm | 5600 rpm |
| Torque | 519 Nm |
| Torque @ max rpm | 4100 rpm |
Engine
| Engine code | L84 |
|---|---|
| Displacement | 5328 cc |
| Cylinders | 8 |
| Configuration | V Engine |
| Bore | 96.0 mm |
| Stroke | 92.0 mm |
| Compression ratio | 11 |
| Valves per cylinder | 2 |
| Injection system | Direct Injection |
| Aspiration | Naturally Aspirated Engine |
| Valvetrain | Ohv Vvt Di |
| Oil capacity | 7.6 L |
| Coolant | 13.1 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 Permanently The Four Wheels Of The Vehicle |
| Gearbox type | Torque Converter |
| Gears | 10 |
| Gearbox code | 10l80 |
| Gearbox manufacturer | gm |
Mass
| Kerb weight | 2664 kg |
|---|---|
| Max weight | 3462 kg |
| Max load | 798 kg |
Consumption & emissions
| Fuel tank | 106.0 L |
|---|
Chassis & brakes
| Front suspension | Independent Coil Spring Transverse Stabilizer Air Suspension Optional |
|---|---|
| Rear suspension | Independent Multi Link Spring Suspension With Stabilizer Air Suspension Optional |
| Front brakes | Ventilated discs, 343x30.4 mm |
| Rear brakes | Ventilated discs, 345x25.4 mm |
| Steering type | Steering Rack And Pinion |
| Power steering | Electric Steering |
| Tire size | 265/65 R18; 275/55 R20; 275/60 R20; 275/50 R22; 285/40 R24 |
| Wheel rims | 18; 20; 22; 24 |
| Assisting systems | Abs Anti Lock Braking System |
Efficiency ratios
| Weight-to-power | 7.5 kg/Hp, 133.3 Hp/tonne |
|---|---|
| Weight-to-torque | 5.1 kg/Nm, 194.8 Nm/tonne |
Other
| Start Of Production | 2024 |
|---|
Performance
Engine speed (1k/rpm)
! Figures from catalog data; real-world values may differ.
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