2005 Audi A4 vs. 2002 Opel Vectra
To start off, 2005 Audi A4 is newer by 3 year(s). Which means there will be less support and parts availability for 2002 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2002 Opel Vectra would be higher. At 1,786 cc (4 cylinders), 2005 Audi A4 is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (171 HP @ 6200 RPM) has 71 more horse power than 2002 Opel Vectra. (100 HP @ 6200 RPM). In normal driving conditions, 2005 Audi A4 should accelerate faster than 2002 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 320 kg more than 2002 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2002 Opel Vectra. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Audi A4 (225 Nm) has 75 more torque (in Nm) than 2002 Opel Vectra. (150 Nm). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2002 Opel Vectra.
Compare all specifications:
| 2005 Audi A4 | 2002 Opel Vectra | |
| Make | Audi | Opel |
| Model | A4 | Vectra |
| Year Released | 2005 | 2002 |
| Engine Position | Front | Front |
| Engine Size | 1786 cc | 1598 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 171 HP | 100 HP |
| Engine RPM | 6200 RPM | 6200 RPM |
| Torque | 225 Nm | 150 Nm |
| Engine Bore Size | 81 mm | 79 mm |
| Engine Stroke Size | 86 mm | 81.5 mm |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1660 kg | 1340 kg |
| Vehicle Length | 4550 mm | 4500 mm |
| Vehicle Width | 1770 mm | 1720 mm |
| Vehicle Height | 1430 mm | 1500 mm |
| Wheelbase Size | 2770 mm | 2650 mm |
