2009 Audi R8 vs. 2003 Pontiac Grand Prix
To start off, 2009 Audi R8 is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Pontiac Grand Prix. In addition, the cost of maintenance, including insurance, on 2003 Pontiac Grand Prix would be higher. At 4,163 cc (8 cylinders), 2009 Audi R8 is equipped with a bigger engine. In terms of performance, 2009 Audi R8 (414 HP @ 7800 RPM) has 240 more horse power than 2003 Pontiac Grand Prix. (174 HP @ 5200 RPM). In normal driving conditions, 2009 Audi R8 should accelerate faster than 2003 Pontiac Grand Prix. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi R8 weights approximately 30 kg more than 2003 Pontiac Grand Prix. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi R8 is all wheel drive (AWD), it will have significant more traction and grip than 2003 Pontiac Grand Prix. In wet, icy, snow, or gravel driving conditions, 2009 Audi R8 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, 2009 Audi R8 (430 Nm @ 4500 RPM) has 166 more torque (in Nm) than 2003 Pontiac Grand Prix. (264 Nm @ 4000 RPM). This means 2009 Audi R8 will have an easier job in driving up hills or pulling heavy equipment than 2003 Pontiac Grand Prix.
Compare all specifications:
| 2009 Audi R8 | 2003 Pontiac Grand Prix | |
| Make | Audi | Pontiac |
| Model | R8 | Grand Prix |
| Year Released | 2009 | 2003 |
| Body Type | Coupe | Sedan |
| Engine Position | Middle | Front |
| Engine Size | 4163 cc | 3130 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 414 HP | 174 HP |
| Engine RPM | 7800 RPM | 5200 RPM |
| Torque | 430 Nm | 264 Nm |
| Torque RPM | 4500 RPM | 4000 RPM |
| Engine Bore Size | 84.5 mm | 89 mm |
| Engine Stroke Size | 92.8 mm | 84 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | AWD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1565 kg | 1535 kg |
| Vehicle Length | 4440 mm | 5000 mm |
| Vehicle Width | 1910 mm | 1850 mm |
| Vehicle Height | 1260 mm | 1400 mm |
| Wheelbase Size | 2660 mm | 3160 mm |
| Fuel Tank Capacity | 75 L | 66 L |
