Chevrolet Suburban GMT400 5.7 i V8 (250 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)
GMT400 Overview:
Chevrolet Suburban (GMT400). With 455 Nm of torque, it offers ample pulling power. At around 2102 kg, it’s on the heavier side. Rear‑wheel drive offers dynamic handling and sporty feedback. A sport utility vehicle offering higher ground clearance and versatile cargo space. With seating for 9, it’s perfect for larger families.
The GMT400 Suburban was primarily designed for the North American market and was not subjected to Euro NCAP testing. While equipped with basic safety features like ABS, its overall safety performance reflects the standards of its era, lacking modern advanced driver-assistance systems and occupant protection technologies.
5.7 i V8 (250 Hp) Verdict:
Performance Verdict
The best all-around gasoline engine, offering a strong blend of power for daily driving and respectable towing, making it highly versatile.
Fuel Economy
While still a V8, it's the most 'efficient' gasoline option for its power, though fuel economy remains a primary concern for owners.
Pros and Cons:
Pros:
- • Exceptional interior space and cargo capacity
- • Robust V8 engine options for strong towing and hauling
- • Proven reliability and durability (especially gasoline V8s)
- • Available 4WD for off-road and all-weather capability
- • Abundant and affordable aftermarket parts and support
- • Comfortable for long-distance cruising with many passengers
Cons:
- • Very poor fuel economy across the gasoline lineup
- • Truck-like ride quality can be harsh on rough roads
- • Dated interior design and features compared to modern SUVs
- • Large exterior dimensions make parking and maneuvering challenging
- • Limited modern safety features (no Euro NCAP rating)
- • Some common issues with 6.5L diesel (e.g., PMD, cooling)
Specifications:
Specifications are compared to those of the previous generation(GMT400: 1991 - 1999).
| General: | |
|---|---|
| Brand: | Chevrolet |
| Model: | Suburban |
| Generation: | GMT400 |
| Modification (Engine): | 5.7 i V8 (250 Hp) |
| Start of production: | 1995 |
| End of production: | 2001 |
| Powertrain Architecture: | Internal Combustion engine |
| Body type: | SUV |
| Seats: | 9 |
| Doors: | 5 |
| Engine: | |
|---|---|
| Power: | 250 Hp @ 4600 rpm. Same horsepower |
| Power per litre: | 43.6 Hp/l [13mm more] |
| Torque: | 455 Nm @ 2800 rpm. |
| Engine Model/Code: | L31 More details about the engine L31 |
| Engine displacement: | 5733 |
| Number of cylinders: | 8 |
| Engine configuration: | V-engine |
| Number of valves per cylinder: | 2 |
| Fuel injection system: | Single-point injection |
| Engine aspiration: | Naturally aspirated engine |
| Engine oil capacity: | 4.8 l |
| Coolant: | 16.5 l |
| Engine layout: | Front, Longitudinal |
| Cylinder Bore: | 101.6 mm mm |
| Piston Stroke: | 88.4 mm mm |
| Compression ratio: | 9.4:1 |
| Performance: | |
|---|---|
| Fuel Type: | Petrol (Gasoline) |
| Fuel consumption (economy) - urban: | 18.1 l/100 km |
| Fuel consumption (economy) - extra urban: | 13.1 l/100 km |
| Fuel consumption (economy) - combined: | 15.7 l/100 km |
| Weight-to-power ratio: | 8.4 kg/Hp, 118.9 Hp/tonne |
| Weight-to-torque ratio: | 4.6 kg/Nm, 216.5 Nm/tonne |
| Space: | |
|---|---|
| Kerb Weight: | 2102 |
| Max. weight: | 3493 |
| Max load: | 1391 |
| Size: | |
|---|---|
| Length: | 5588 mm mm [13mm more] |
| Width: | 1948 mm mm [8mm more] |
| Height: | 1783 mm mm [35mm more] |
| Wheelbase: | 3340 mm mm [Same wheelbase.] |
| Powertrain: | |
|---|---|
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the rear wheels of the vehicle. |
| Drive wheel | Rear wheel drive |
| Number of gears | 4 |
| Transmission type | Automatic |
| Front brakes | Disc [bad for performance and cooling.] |
| Rear brakes | Drum [bad for performance and cooling.] |
| Assisting systems | ABS (Anti-lock braking system) |
| Power steering | Hydraulic Steering |
| Tires size | 235/75 R15 H |
| Front suspension | Double wishbone |
| Rear suspension | Leaf spring |


















If you could change one thing about the Chevrolet Suburban, what would it be?