2002 Audi S4 vs. 2003 Opel Speedster
To start off, 2003 Opel Speedster is newer by 1 year(s). Which means there will be less support and parts availability for 2002 Audi S4. In addition, the cost of maintenance, including insurance, on 2002 Audi S4 would be higher. At 4,163 cc (8 cylinders), 2002 Audi S4 is equipped with a bigger engine. In terms of performance, 2002 Audi S4 (339 HP @ 7000 RPM) has 194 more horse power than 2003 Opel Speedster. (145 HP @ 6000 RPM). In normal driving conditions, 2002 Audi S4 should accelerate faster than 2003 Opel Speedster. With that said, vehicle weight also plays an important factor in acceleration. 2002 Audi S4 weights approximately 786 kg more than 2003 Opel Speedster. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2002 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Opel Speedster. In wet, icy, snow, or gravel driving conditions, 2002 Audi S4 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, 2002 Audi S4 (410 Nm @ 3500 RPM) has 207 more torque (in Nm) than 2003 Opel Speedster. (203 Nm @ 4000 RPM). This means 2002 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Speedster.
Compare all specifications:
| 2002 Audi S4 | 2003 Opel Speedster | |
| Make | Audi | Opel |
| Model | S4 | Speedster |
| Year Released | 2002 | 2003 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 4163 cc | 2198 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 339 HP | 145 HP |
| Engine RPM | 7000 RPM | 6000 RPM |
| Torque | 410 Nm | 203 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Engine Bore Size | 84.5 mm | 86 mm |
| Engine Stroke Size | 92.8 mm | 94.6 mm |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Top Speed | 250 km/hour | 217 km/hour |
| Acceleration 0-100mph | 5.6 seconds | 5.9 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1662 kg | 876 kg |
| Vehicle Length | 4580 mm | 3790 mm |
| Vehicle Width | 1790 mm | 1710 mm |
| Vehicle Height | 1420 mm | 1120 mm |
| Wheelbase Size | 2660 mm | 2710 mm |
| Fuel Tank Capacity | 66 L | 36 L |
