2005 Audi S4 vs. 2003 Pontiac Grand Prix
To start off, 2005 Audi S4 is newer by 2 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), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 4000 RPM) has 166 more horse power than 2003 Pontiac Grand Prix. (174 HP @ 5200 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 2003 Pontiac Grand Prix. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 235 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.
Let's talk about torque, 2005 Audi S4 (410 Nm) has 146 more torque (in Nm) than 2003 Pontiac Grand Prix. (264 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2003 Pontiac Grand Prix.
Compare all specifications:
| 2005 Audi S4 | 2003 Pontiac Grand Prix | |
| Make | Audi | Pontiac |
| Model | S4 | Grand Prix |
| Year Released | 2005 | 2003 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 3130 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 340 HP | 174 HP |
| Engine RPM | 4000 RPM | 5200 RPM |
| Torque | 410 Nm | 264 Nm |
| Engine Bore Size | 85 mm | 89 mm |
| Engine Stroke Size | 93 mm | 84 mm |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1770 kg | 1535 kg |
| Vehicle Length | 4550 mm | 5000 mm |
| Vehicle Width | 1770 mm | 1850 mm |
| Vehicle Height | 1430 mm | 1400 mm |
| Wheelbase Size | 2770 mm | 3160 mm |
| Fuel Tank Capacity | 66 L | 66 L |
