2005 Audi A4 vs. 2003 Opel Speedster
To start off, 2005 Audi A4 is newer by 2 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 2,198 cc (4 cylinders), 2003 Opel Speedster is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (160 HP @ 1950 RPM) has 15 more horse power than 2003 Opel Speedster. (145 HP @ 6000 RPM). In normal driving conditions, 2005 Audi A4 should accelerate faster than 2003 Opel Speedster. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 554 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 2003 Opel Speedster is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2003 Opel Speedster. However, in wet, icy, snow, or gravel driving conditions, 2005 Audi A4, being front wheel drive (FWD), will offer much better control with better grip. 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 Audi A4 (225 Nm @ 1950 RPM) has 22 more torque (in Nm) than 2003 Opel Speedster. (203 Nm @ 4000 RPM). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Speedster.
Compare all specifications:
| 2005 Audi A4 | 2003 Opel Speedster | |
| Make | Audi | Opel |
| Model | A4 | Speedster |
| Year Released | 2005 | 2003 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 1780 cc | 2198 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 160 HP | 145 HP |
| Engine RPM | 1950 RPM | 6000 RPM |
| Torque | 225 Nm | 203 Nm |
| Torque RPM | 1950 RPM | 4000 RPM |
| Engine Bore Size | 81 mm | 86 mm |
| Engine Stroke Size | 86.4 mm | 94.6 mm |
| Engine Compression Ratio | 9.3:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 225 km/hour | 217 km/hour |
| Acceleration 0-100mph | 8.8 seconds | 5.9 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1430 kg | 876 kg |
| Vehicle Length | 4550 mm | 3790 mm |
| Vehicle Width | 1780 mm | 1710 mm |
| Vehicle Height | 1430 mm | 1120 mm |
| Wheelbase Size | 2770 mm | 2710 mm |
| Fuel Consumption Overall | 8.6 L/100km | 8.5 L/100km |
| Fuel Tank Capacity | 70 L | 36 L |
