Chevrolet Suburban GMT800 8.1 i V8 4WD 2500 (344 Hp)
Overall Rating
Chevrolet Suburban:
The Chevrolet Suburban is a series of SUVs built by Chevrolet since 1934. The longest-produced automobile nameplate in the world, the Suburban is currently in its twelfth generation, in production since the 2021 model year. Beginning life as one of the first metal-bodied station wagons, the Suburban is the progenitor of the modern full-size sport utility vehicle, combining a wagon-style body with the chassis and powertrain of a pickup truck. Alongside its Advance Design, Task Force, and C/K predecessors, the Chevrolet Silverado currently shares chassis and mechanical commonality with the Suburban and other trucks....(Read more on Wikipedia)
GMT800 Overview:
Chevrolet Suburban (GMT800). With 617 Nm of torque, it offers ample pulling power. At around 2715 kg, it’s on the heavier side. All‑wheel drive provides excellent grip, ideal for off‑road use. The top speed reaches 156 km/h. A sport utility vehicle offering higher ground clearance and versatile cargo space. With seating for 9, it’s perfect for larger families.
The Chevrolet Suburban GMT800 was primarily designed for the North American market and was not tested by Euro NCAP. It performed adequately in US NHTSA crash tests for its era, offering robust construction typical of large SUVs.
8.1 i V8 4WD 2500 (344 Hp) Verdict:
Performance Verdict
Unmatched power for the Suburban lineup, capable of handling the toughest towing and hauling tasks.
Fuel Economy
The worst fuel economy of the lineup, a true gas guzzler with high operational costs.
Pros and Cons:
Pros:
- • Exceptional interior space for passengers and cargo
- • Robust V8 engine options for strong towing and hauling
- • Proven reliability and durability, known for high mileage
- • Comfortable ride quality, especially on highways
- • Strong resale value in the used market
Cons:
- • Very poor fuel economy across all engine options
- • Large exterior dimensions make city driving and parking challenging
- • Interior design and materials can feel dated compared to rivals
- • Handling is ponderous, typical of a large body-on-frame SUV
- • Limited advanced safety features by modern standards
Specifications:
Specifications are compared to those of the previous generation(GMT800: 2000 - 2004).
| General: | |
|---|---|
| Brand: | Chevrolet |
| Model: | Suburban |
| Generation: | GMT800 |
| Modification (Engine): | 8.1 i V8 4WD 2500 (344 Hp) |
| Start of production: | 2001 |
| End of production: | 2004 |
| Powertrain Architecture: | Internal Combustion engine |
| Body type: | SUV |
| Seats: | 9 |
| Doors: | 5 |
| Engine: | |
|---|---|
| Power: | 344 Hp @ 4200 rpm. Same horsepower |
| Power per litre: | 42.3 Hp/l [Same length.] |
| Torque: | 617 Nm @ 3200 rpm. |
| Engine Model/Code: | L18 More details about the engine L18 |
| Engine displacement: | 8128 |
| Number of cylinders: | 8 |
| Engine configuration: | Inline |
| Number of valves per cylinder: | 2 |
| Fuel injection system: | Multi-port manifold injection |
| Engine aspiration: | Naturally aspirated engine |
| Engine oil capacity: | 6.1 l |
| Coolant: | 19.6 l |
| Engine layout: | Front, Longitudinal |
| Cylinder Bore: | 108 mm mm |
| Piston Stroke: | 111 mm mm |
| Compression ratio: | 9.1:1 |
| Performance: | |
|---|---|
| Fuel Type: | Petrol (Gasoline) |
| Maximum speed: | 156 km/h |
| Weight-to-power ratio: | 7.9 kg/Hp, 126.7 Hp/tonne |
| Weight-to-torque ratio: | 4.4 kg/Nm, 227.3 Nm/tonne |
| Space: | |
|---|---|
| Kerb Weight: | 2715 |
| Max. weight: | 3900 |
| Max load: | 1185 |
| Trunk (boot) space - maximum: | 3726 l |
| Trunk (boot) space - minimum: | 1294 l |
| Fuel tank capacity: | 142 l |
| Size: | |
|---|---|
| Length: | 5570 mm mm [Same length.] |
| Width: | 2027 mm mm [25mm more] |
| Height: | 1958 mm mm [60mm more] |
| Wheelbase: | 3309 mm mm [7mm more] |
| Front track: | 1651 mm |
| Rear (Back) track: | 1676 mm |
| Powertrain: | |
|---|---|
| Drive wheel | All wheel drive (4x4) |
| Number of gears | 4 |
| Transmission type | Automatic |
| Front brakes | Ventilated discs [Best for performance and cooling.] |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Power steering | Hydraulic Steering |
| Tires size | 245/75 R16 |
| Front suspension | Double wishbone |
| Rear suspension | Coil spring |

















Behind the wheel of the Chevrolet Suburban. How does it handle on the road?