2007 Audi A4 vs. 2005 Pontiac Grand Prix
To start off, 2007 Audi A4 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Pontiac Grand Prix. In addition, the cost of maintenance, including insurance, on 2005 Pontiac Grand Prix would be higher. At 3,786 cc (6 cylinders), 2005 Pontiac Grand Prix is equipped with a bigger engine. In terms of performance, 2005 Pontiac Grand Prix (260 HP @ 5200 RPM) has 8 more horse power than 2007 Audi A4. (252 HP @ 6500 RPM) In normal driving conditions, 2005 Pontiac Grand Prix should accelerate faster than 2007 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Pontiac Grand Prix weights approximately 78 kg more than 2007 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Pontiac Grand Prix. In wet, icy, snow, or gravel driving conditions, 2007 Audi A4 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 Pontiac Grand Prix (380 Nm) has 50 more torque (in Nm) than 2007 Audi A4. (330 Nm). This means 2005 Pontiac Grand Prix will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4.
Compare all specifications:
| 2007 Audi A4 | 2005 Pontiac Grand Prix | |
| Make | Audi | Pontiac |
| Model | A4 | Grand Prix |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 3786 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 252 HP | 260 HP |
| Engine RPM | 6500 RPM | 5200 RPM |
| Torque | 330 Nm | 380 Nm |
| Engine Bore Size | 84.5 mm | 97.1 mm |
| Engine Stroke Size | 92.8 mm | 86 mm |
| Engine Compression Ratio | 12.5:1 | 8.5:1 |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1542 kg | 1620 kg |
| Vehicle Length | 4590 mm | 5040 mm |
| Vehicle Width | 1780 mm | 1830 mm |
| Vehicle Height | 1430 mm | 1420 mm |
| Wheelbase Size | 2650 mm | 2810 mm |
| Fuel Consumption Overall | 10.6 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 63 L | 64 L |
