2004 Audi A4 vs. 2003 Opel Vectra
To start off, 2004 Audi A4 is newer by 1 year(s). Which means there will be less support and parts availability for 2003 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2003 Opel Vectra would be higher. At 1,994 cc (4 cylinders), 2003 Opel Vectra is equipped with a bigger engine. In terms of performance, 2003 Opel Vectra (173 HP @ 5500 RPM) has 12 more horse power than 2004 Audi A4. (161 HP @ 5700 RPM) In normal driving conditions, 2003 Opel Vectra should accelerate faster than 2004 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 20 kg more than 2003 Opel Vectra.
Because 2004 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Opel Vectra. In wet, icy, snow, or gravel driving conditions, 2004 Audi A4 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, 2003 Opel Vectra (270 Nm @ 2500 RPM) has 40 more torque (in Nm) than 2004 Audi A4. (230 Nm @ 1950 RPM). This means 2003 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A4.
Compare all specifications:
| 2004 Audi A4 | 2003 Opel Vectra | |
| Make | Audi | Opel |
| Model | A4 | Vectra |
| Year Released | 2004 | 2003 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 1994 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 161 HP | 173 HP |
| Engine RPM | 5700 RPM | 5500 RPM |
| Torque | 230 Nm | 270 Nm |
| Torque RPM | 1950 RPM | 2500 RPM |
| Engine Bore Size | 81 mm | 86 mm |
| Engine Stroke Size | 86.4 mm | 86 mm |
| Engine Compression Ratio | 9.3:1 | 9.5:1 |
| Top Speed | 223 km/hour | 230 km/hour |
| Acceleration 0-100mph | 8.9 seconds | 9.4 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1530 kg | 1510 kg |
| Vehicle Length | 4550 mm | 4600 mm |
| Vehicle Width | 1780 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2580 mm | 2840 mm |
| Fuel Consumption Highway | 7.1 L/100km | 6.6 L/100km |
| Fuel Consumption City | 12.8 L/100km | 12.8 L/100km |
| Fuel Consumption Overall | 9.4 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 63 L | 61 L |
