GMC Envoy I (GMT330) 4.3i V6 (190 Hp) 4x4 Automatic
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GMC Envoy:
The GMC Envoy is a mid-size SUV manufactured and marketed by General Motors for the 1998 to 2009 model years over two generations. Adopting a nameplate used by GM Canada, the Envoy was phased in as a trim variant of the GMC Jimmy alongside the similar Chevrolet TrailBlazer.
The second generation of the GMC Envoy replaced the Jimmy outright, again sharing a common platform with the Trailblazer; General Motors also marketed the chassis architecture under various other nameplates, including the Oldsmobile Bravada, Buick Rainier, Isuzu Ascender, and Saab 9-7X....(Read more on Wikipedia)
I (GMT330) Overview:
GMC Envoy (I (GMT330)). With 339 Nm of torque, it offers ample pulling power. With a weight of 1890 kg, it falls in the mid‑range. All‑wheel drive provides excellent grip, ideal for off‑road use. A sport utility vehicle offering higher ground clearance and versatile cargo space. Seating for 5 makes it ideal for daily use.
Performance Verdict
The 4.3L Vortec V6 provides adequate power and strong low-end torque (339 Nm) for daily driving, towing light loads, and moderate off-road excursions. While not a performance engine, it moves the Envoy competently.
Fuel Economy
Fuel economy is a significant drawback, with urban consumption at 16.8 l/100 km (approx. 14 MPG US) and extra-urban at 13.1 l/100 km (approx. 18 MPG US). It's typical for a large V6 SUV of its era but costly by modern standards.
Best Use Case:
Versatile for daily commuting, family hauling, light towing, and moderate off-road adventures, especially where reliability and utility are prioritized over fuel efficiency.
Pros and Cons:
Pros:
- • Robust and reliable 4.3L Vortec V6 engine
- • Capable 4x4 system for varied terrain
- • Generous cargo space (up to 2098L) for utility
- • Strong towing capacity for its class (1589 kg with brakes)
- • Relatively simple mechanics, easier to maintain
Cons:
- • Poor fuel economy, especially in urban driving
- • Dated interior design and materials by modern standards
- • Ride quality can be firm and truck-like
- • Limited modern safety features compared to newer vehicles
- • Prone to rust in certain areas depending on climate
Specifications:
| General: |
| Brand: | GMC |
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| Model: | Envoy |
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| Generation: | I (GMT330) |
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| Modification (Engine): | 4.3i V6 (190 Hp) 4x4 Automatic |
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| Start of production: | 1997 |
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| End of production: | 2000 |
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| Powertrain Architecture: | Internal Combustion engine |
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| Body type: | SUV |
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| Seats: | 5 |
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| Doors: | 5 |
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| Engine: |
| Power: | 190 Hp @ 4400 rpm. |
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| Power per litre: | 44.2 Hp/l |
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| Torque: | 339 Nm @ 2800 rpm. |
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| Engine Model/Code: | Vortec 4300 |
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| Engine displacement: | 4300 |
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| Number of cylinders: | 6 |
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| Engine configuration: | V-engine |
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| Number of valves per cylinder: | 2 |
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| Fuel injection system: | Multi-port manifold injection |
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| Engine aspiration: | Naturally aspirated engine |
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| Engine oil capacity: | 4.3 l |
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| Coolant: | 11.1 l |
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| Engine layout: | Front, Longitudinal |
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| Cylinder Bore: | 101.6 mm mm |
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| Piston Stroke: | 88.4 mm mm |
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| Compression ratio: | 9.2:1 |
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| Performance: |
| Fuel Type: | Petrol (Gasoline) |
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| Fuel consumption (economy) - urban: | 16.8 l/100 km |
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| Fuel consumption (economy) - extra urban: | 13.1 l/100 km |
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| Weight-to-power ratio: | 9.9 kg/Hp, 100.5 Hp/tonne |
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| Weight-to-torque ratio: | 5.6 kg/Nm, 179.4 Nm/tonne |
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| Space: |
| Kerb Weight: | 1890 |
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| Max. weight: | 2427 |
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| Max load: | 537 |
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| Trunk (boot) space - maximum: | 2098 l |
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| Trunk (boot) space - minimum: | 1056 l |
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| Permitted trailer load with brakes (12%): | 1589 kg |
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| Fuel tank capacity: | 68 l |
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| Permitted trailer load without brakes: | 450 kg |
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| Size: |
| Length: | 4600 mm mm |
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| Width: | 1722 mm mm |
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| Height: | 1702 mm mm |
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| Wheelbase: | 2718 mm mm |
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| Front track: | 1454 mm |
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| Rear (Back) track: | 1399 mm |
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| Powertrain: |
| Drive wheel | All wheel drive (4x4) |
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| Number of gears | 4 |
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| Transmission type | Automatic |
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| Front brakes | Ventilated discs |
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| Rear brakes | Disc |
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| Assisting systems | ABS (Anti-lock braking system) |
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| Steering type | Steering rack and pinion |
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| Power steering | Hydraulic Steering |
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| Tires size | 205/75 R15 |
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| Wheel rims size | 15 |
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| Front suspension | Independent coil spring |
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| Rear suspension | Independent coil spring |
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