2001 Audi A4 vs. 2003 Opel Vectra
To start off, 2003 Opel Vectra is newer by 2 year(s). Which means there will be less support and parts availability for 2001 Audi A4. In addition, the cost of maintenance, including insurance, on 2001 Audi A4 would be higher. At 2,976 cc (6 cylinders), 2001 Audi A4 is equipped with a bigger engine. In terms of performance, 2001 Audi A4 (247 HP @ 6300 RPM) has 95 more horse power than 2003 Opel Vectra. (152 HP @ 5600 RPM). In normal driving conditions, 2001 Audi A4 should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2001 Audi A4 weights approximately 30 kg more than 2003 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2001 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, 2001 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, 2001 Audi A4 (320 Nm @ 3200 RPM) has 100 more torque (in Nm) than 2003 Opel Vectra. (220 Nm @ 3800 RPM). This means 2001 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra.
Compare all specifications:
| 2001 Audi A4 | 2003 Opel Vectra | |
| Make | Audi | Opel |
| Model | A4 | Vectra |
| Year Released | 2001 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 2976 cc | 2198 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 247 HP | 152 HP |
| Engine RPM | 6300 RPM | 5600 RPM |
| Torque | 320 Nm | 220 Nm |
| Torque RPM | 3200 RPM | 3800 RPM |
| Engine Bore Size | 82.5 mm | 86 mm |
| Engine Stroke Size | 92.8 mm | 94.6 mm |
| Engine Compression Ratio | 10.5:1 | 12.0:1 |
| Top Speed | 236 km/hour | 208 km/hour |
| Acceleration 0-100mph | 8.9 seconds | 11 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1614 kg | 1584 kg |
| Vehicle Length | 4550 mm | 4830 mm |
| Vehicle Width | 1770 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1510 mm |
| Wheelbase Size | 2660 mm | 2840 mm |
| Fuel Tank Capacity | 66 L | 60 L |
