2009 Audi S4 vs. 2003 Opel Speedster
To start off, 2009 Audi S4 is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Opel Speedster. In addition, the cost of maintenance, including insurance, on 2003 Opel Speedster would be higher. At 4,161 cc (8 cylinders), 2009 Audi S4 is equipped with a bigger engine. In terms of performance, 2009 Audi S4 (340 HP @ 6800 RPM) has 195 more horse power than 2003 Opel Speedster. (145 HP @ 6000 RPM). In normal driving conditions, 2009 Audi S4 should accelerate faster than 2003 Opel Speedster. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi S4 weights approximately 54 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 2009 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, 2009 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, 2009 Audi S4 (410 Nm @ 3500 RPM) has 207 more torque (in Nm) than 2003 Opel Speedster. (203 Nm @ 4000 RPM). This means 2009 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Speedster. 2009 Audi S4 has automatic transmission and 2003 Opel Speedster has manual transmission. 2003 Opel Speedster will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi S4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi S4 | 2003 Opel Speedster | |
| Make | Audi | Opel |
| Model | S4 | Speedster |
| Year Released | 2009 | 2003 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 4161 cc | 2198 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 145 HP |
| Engine RPM | 6800 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 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 930 kg | 876 kg |
| Vehicle Length | 4580 mm | 3790 mm |
| Vehicle Width | 1780 mm | 1710 mm |
| Vehicle Height | 1400 mm | 1120 mm |
| Wheelbase Size | 2660 mm | 2710 mm |
| Fuel Consumption Highway | 11.2 L/100km | 6.4 L/100km |
| Fuel Consumption City | 16.8 L/100km | 12.3 L/100km |
| Fuel Consumption Overall | 14.7 L/100km | 8.5 L/100km |
| Fuel Tank Capacity | 63 L | 36 L |
