2002 Audi A4 vs. 2004 Opel Vectra
To start off, 2004 Opel Vectra is newer by 2 year(s). Which means there will be less support and parts availability for 2002 Audi A4. In addition, the cost of maintenance, including insurance, on 2002 Audi A4 would be higher. At 1,998 cc (4 cylinders), 2004 Opel Vectra is equipped with a bigger engine. In terms of performance, 2002 Audi A4 (161 HP @ 5700 RPM) has 40 more horse power than 2004 Opel Vectra. (121 HP @ 3500 RPM). In normal driving conditions, 2002 Audi A4 should accelerate faster than 2004 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Vectra weights approximately 155 kg more than 2002 Audi A4.
Because 2002 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2004 Opel Vectra. In wet, icy, snow, or gravel driving conditions, 2002 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, 2004 Opel Vectra (280 Nm @ 2000 RPM) has 55 more torque (in Nm) than 2002 Audi A4. (225 Nm @ 1950 RPM). This means 2004 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2002 Audi A4.
Compare all specifications:
| 2002 Audi A4 | 2004 Opel Vectra | |
| Make | Audi | Opel |
| Model | A4 | Vectra |
| Year Released | 2002 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 161 HP | 121 HP |
| Engine RPM | 5700 RPM | 3500 RPM |
| Torque | 225 Nm | 280 Nm |
| Torque RPM | 1950 RPM | 2000 RPM |
| Engine Bore Size | 81 mm | 82 mm |
| Engine Stroke Size | 86.4 mm | 90.4 mm |
| Engine Compression Ratio | 9.3:1 | 18.0:1 |
| Top Speed | 226 km/hour | 195 km/hour |
| Acceleration 0-100mph | 8.7 seconds | 12.2 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1470 kg | 1625 kg |
| Vehicle Length | 4550 mm | 4830 mm |
| Vehicle Width | 1780 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1510 mm |
| Wheelbase Size | 2760 mm | 2840 mm |
| Fuel Consumption Highway | 7.3 L/100km | 5.1 L/100km |
| Fuel Consumption City | 12.9 L/100km | 7.8 L/100km |
| Fuel Consumption Overall | 9.4 L/100km | 6.1 L/100km |
| Fuel Tank Capacity | 66 L | 61 L |
