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Pontiac Grand Prix _IX_ 5.3 i V8 GXP (307 Hp)
Overall Rating
Pontiac Grand Prix:
The Grand Prix is a line of automobiles produced by the Pontiac Division of General Motors from 1962 until 2002 as coupes and from 1989 through 2008 model years as four-door sedans.
First introduced as a full-size performance coupe for the 1962 model year, the model repeatedly varied in size, luxury, and performance over successive generations. The Grand Prix was the most expensive coupe Pontiac offered until the 1970s, when the Bonneville Brougham and the Firebird Trans Am became more exclusive; the Grand Prix moved into the intermediate personal luxury car and later the mid-size market segments....(Read more on Wikipedia)
_IX_ Overview:
Pontiac Grand Prix (_IX_). With 438 Nm of torque, it offers ample pulling power. With a weight of 1680 kg, it falls in the mid‑range. Front‑wheel drive delivers efficiency and easy handling. A four-door car with a separate trunk, ideal for families and daily commuting. Seating for 5 makes it ideal for daily use.
5.3 i V8 GXP (307 Hp) Verdict:
Performance Verdict
The 5.3L LS4 V8 delivers robust acceleration and a thrilling exhaust note, making the GXP a true performance sedan, albeit with front-wheel drive limitations.
Fuel Economy
Fuel economy is a significant drawback, with urban consumption around 13.1 l/100 km (18 MPG US), reflecting its large displacement and performance focus.
Pros and Cons:
Pros:
- • Powerful V6 and V8 engine options, especially the GXP's LS4 V8.
- • Spacious interior and large trunk capacity (454-1614 l).
- • Comfortable ride quality suitable for long-distance cruising.
- • Distinctive styling that stands out from competitors.
- • Good value on the used car market for performance.
Cons:
- • Front-wheel drive limits the full potential of the powerful V8 engine.
- • Interior materials feel dated and less refined compared to rivals.
- • Fuel economy, particularly with the V8, is a significant concern.
- • Handling can feel floaty and less precise than European or Japanese sedans.
- • Limited safety technology compared to contemporary vehicles.
Specifications:
Specifications are compared to those of the previous generation(Coupe VI (W): 2001 - 2003).
| General: | |
|---|---|
| Brand: | Pontiac |
| Model: | Grand Prix |
| Generation: | _IX_ |
| Modification (Engine): | 5.3 i V8 GXP (307 Hp) |
| Start of production: | 2006 |
| End of production: | April, 2008 |
| Powertrain Architecture: | Internal Combustion engine |
| Body type: | Sedan |
| Seats: | 5 |
| Doors: | 4 |
| Engine: | |
|---|---|
| Power: | 307 Hp @ 5600 rpm. Same horsepower |
| Power per litre: | 57.6 Hp/l [20mm more] |
| Torque: | 438 Nm @ 4000 rpm. |
| Engine Model/Code: | LS4 More details about the engine LS4 |
| Engine displacement: | 5327 |
| Number of cylinders: | 8 |
| Engine configuration: | V-engine |
| Number of valves per cylinder: | 2 |
| Fuel injection system: | Multi-port manifold injection |
| Engine aspiration: | Naturally aspirated engine |
| Engine oil capacity: | 5.7 l |
| Engine layout: | Front, Transverse |
| Cylinder Bore: | 96 mm mm |
| Piston Stroke: | 92 mm mm |
| Compression ratio: | 10:1 |
| Performance: | |
|---|---|
| Fuel Type: | Petrol (Gasoline) |
| Fuel consumption (economy) - urban: | 13.1 l/100 km |
| Fuel consumption (economy) - extra urban: | 8.4 l/100 km |
| Weight-to-power ratio: | 5.5 kg/Hp, 182.7 Hp/tonne |
| Weight-to-torque ratio: | 3.8 kg/Nm, 260.7 Nm/tonne |
| Space: | |
|---|---|
| Kerb Weight: | 1680 |
| Trunk (boot) space - maximum: | 1614 l |
| Trunk (boot) space - minimum: | 454 l |
| Fuel tank capacity: | 64 l |
| Size: | |
|---|---|
| Length: | 5037 mm mm [20mm more] |
| Width: | 1819 mm mm [28mm less] |
| Height: | 1420 mm mm [30mm more] |
| Wheelbase: | 2807 mm mm [Same wheelbase.] |
| Front track: | 1565 mm |
| Rear (Back) track: | 1545 mm |
| Powertrain: | |
|---|---|
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the front wheels of the vehicle. |
| Drive wheel | Front wheel drive |
| 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) |
| Steering type | Steering rack and pinion |
| Tires size | 225/45 R18 |
| Front suspension | Spring Strut |
| Rear suspension | Spring Strut |
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