Comparison Pontiac Grand Prix VI (W) 3.8 i V6 GT (203 Hp) & Chevrolet Silverado 3500 HD II (GMT900, facelift 2011) Crew Cab Long Box 6.6 Duramax TD V8 (397 Hp) DRW Automatic
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| Brand: | Pontiac | Chevrolet |
| Model: | Grand Prix | Silverado 3500 HD |
| Generation: | Grand Prix VI (W) | Silverado 3500 HD II (GMT900, facelift 2011) Crew Cab Long Box |
| Engine / modification: | 3.8 i V6 GT (203 Hp) | 6.6 Duramax TD V8 (397 Hp) DRW Automatic |
| Production start: | 1996 year | 2011 year |
| Production end: | 2003 year | 2014 year |
| Coupe type: | Sedan | Pick-up |
| Powertrain Architecture: | Internal Combustion engine | |
| Num. of Doors: | 4 | 4 |
| Num. of seats: | 5 | 5 |
| Fuel consumption / economy - urban: | 11.8 l/100 km | |
| Fuel consumption / economy - extra urban: | 7.8 l/100 km | |
| Fuel consumption / economy - combined: | 9.8 l/100 km | |
| Fuel Type: | Petrol (Gasoline) | Diesel |
| Fuel tank volume: | 68 l | 136 l |
| Power: | 203 hp | 397 hp |
| Max power in: | 5200 rpm. | 3000 rpm. |
| Maximum speed: | 200 km/h | |
| Torque: | 312 Nm/3600 rpm. | 1037 Nm @ 1600 rpm. |
| Model Engine: | Duramax LML | |
| Engine position: | Front, transverse | |
| Engine displacement: | 3791 cm3 | 6599 cm3 |
| Engine oil capacity: | 9.5 l | |
| Coolant: | 24 l | |
| Fuel System: | Multi-point injection | |
| Maximum engine speed: | 3000 rpm. | |
| Position of cylinders: | V engine | |
| Valvetrain: | OHV | |
| Number of cylinders: | 6 | 8 |
| Number of valves per cylinder: | 2 | 4 |
| Compression ratio: | 9.4 | 16 |
| Piston Stroke: | 86.4 mm | 99 mm |
| Cylinder Bore: | 96.5 mm | 103 mm |
| Wheel Drive: | Front wheel drive | Rear wheel drive |
| Number of Gears (automatic transmission): | 4 | |
| Length: | 4990 mm | 6581 mm |
| Width: | 1845 mm | |
| Width including mirrors: | 2436 mm | |
| Height: | 1390 mm | 1979 mm |
| Wheelbase: | 2807 mm | 4260 mm |
| Front track: | 1565 mm | 1748 mm |
| Rear (Back) track: | 1550 mm | 1906 mm |
| Ride height(clearance): | 216 mm | |
| Minimum volume of Luggage (trunk): | 455 l | |
| Maximum amount of Luggage (trunk): | 2138 l | |
| Front suspension: | The depreciated rack | Independent torsion bar, double wishbone |
| Rear suspension: | Double wishbone | |
| Max weight: | 5897 kg | |
| Front brakes: | Ventilated discs | |
| Rear brakes: | Disc | |
| Kerb Weight: | 1550 kg | 3425 kg |
| ABS: | yes | |
| Steering type: | Steering rack and pinion | Cone worm with recirculation balls |
| Power steering: | Hydraulic Steering | |
| Minimum turning circle (turning diameter): | 16.9 m | |
| Permitted trailer load with brakes (12%): | 7484 kg | |
| Tire size: | 205/70 R15 | 235/80 R17; 265/70 R18 |
| Wheel rims size: | 6.5J x 17; 8J x 18 |