2005 Audi A8 vs. 2004 Pontiac Grand Prix
To start off, 2005 Audi A8 is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Pontiac Grand Prix. In addition, the cost of maintenance, including insurance, on 2004 Pontiac Grand Prix would be higher. At 5,998 cc, 2005 Audi A8 is equipped with a bigger engine. In terms of performance, 2005 Audi A8 (444 HP @ 6200 RPM) has 154 more horse power than 2004 Pontiac Grand Prix. (290 HP @ 5200 RPM). In normal driving conditions, 2005 Audi A8 should accelerate faster than 2004 Pontiac Grand Prix. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A8 weights approximately 310 kg more than 2004 Pontiac Grand Prix. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2004 Pontiac Grand Prix. In wet, icy, snow, or gravel driving conditions, 2005 Audi A8 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2005 Audi A8 (580 Nm @ 4000 RPM) has 139 more torque (in Nm) than 2004 Pontiac Grand Prix. (441 Nm @ 4000 RPM). This means 2005 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2004 Pontiac Grand Prix.
Compare all specifications:
| 2005 Audi A8 | 2004 Pontiac Grand Prix | |
| Make | Audi | Pontiac |
| Model | A8 | Grand Prix |
| Year Released | 2005 | 2004 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5998 cc | 5326 cc |
| Engine Type | W | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 444 HP | 290 HP |
| Engine RPM | 6200 RPM | 5200 RPM |
| Torque | 580 Nm | 441 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 84 mm | 96 mm |
| Engine Stroke Size | 90.2 mm | 92 mm |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1995 kg | 1685 kg |
| Vehicle Length | 5070 mm | 5060 mm |
| Vehicle Width | 1900 mm | 1880 mm |
| Vehicle Height | 1450 mm | 1420 mm |
| Wheelbase Size | 3080 mm | 2760 mm |
| Fuel Tank Capacity | 90 L | 64 L |
