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 1,993 cc (4 cylinders), 2003 Opel Speedster is equipped with a bigger engine. In terms of performance, 2003 Opel Speedster (197 HP @ 5500 RPM) has 49 more horse power than 2005 Audi A4. (148 HP @ 6000 RPM) In normal driving conditions, 2003 Opel Speedster should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 345 kg more than 2003 Opel Speedster.
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, 2003 Opel Speedster (250 Nm @ 1950 RPM) has 50 more torque (in Nm) than 2005 Audi A4. (200 Nm @ 3500 RPM). This means 2003 Opel Speedster will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4.
Compare all specifications:
| 2005 Audi A4 | 2003 Opel Speedster | |
| Make | Audi | Opel |
| Model | A4 | Speedster |
| Year Released | 2005 | 2003 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 1967 cc | 1993 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 197 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 200 Nm | 250 Nm |
| Torque RPM | 3500 RPM | 1950 RPM |
| Engine Bore Size | 82.5 mm | 86 mm |
| Engine Stroke Size | 92.8 mm | 86 mm |
| Engine Compression Ratio | 11.5:1 | 8.8:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 218 km/hour | 243 km/hour |
| Acceleration 0-100mph | 9.6 seconds | 4.9 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1350 kg | 1005 kg |
| Vehicle Length | 4550 mm | 3790 mm |
| Vehicle Width | 1780 mm | 1710 mm |
| Vehicle Height | 1430 mm | 1120 mm |
| Wheelbase Size | 2770 mm | 2400 mm |
| Fuel Consumption Overall | 7.1 L/100km | 8.5 L/100km |
| Fuel Tank Capacity | 70 L | 36 L |
