1999 Audi A4 vs. 2003 Opel Vectra
To start off, 2003 Opel Vectra is newer by 4 year(s). Which means there will be less support and parts availability for 1999 Audi A4. In addition, the cost of maintenance, including insurance, on 1999 Audi A4 would be higher. At 2,172 cc (4 cylinders), 2003 Opel Vectra is equipped with a bigger engine. In terms of performance, 1999 Audi A4 (248 HP @ 4150 RPM) has 95 more horse power than 2003 Opel Vectra. (153 HP @ 5600 RPM). In normal driving conditions, 1999 Audi A4 should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Vectra weights approximately 80 kg more than 1999 Audi A4.
Because 1999 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, 1999 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, 1999 Audi A4 (339 Nm @ 1900 RPM) has 110 more torque (in Nm) than 2003 Opel Vectra. (229 Nm @ 3800 RPM). This means 1999 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra.
Compare all specifications:
| 1999 Audi A4 | 2003 Opel Vectra | |
| Make | Audi | Opel |
| Model | A4 | Vectra |
| Year Released | 1999 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1896 cc | 2172 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 248 HP | 153 HP |
| Engine RPM | 4150 RPM | 5600 RPM |
| Torque | 339 Nm | 229 Nm |
| Torque RPM | 1900 RPM | 3800 RPM |
| Engine Bore Size | 79.5 mm | 86 mm |
| Engine Stroke Size | 95.5 mm | 94.6 mm |
| Engine Compression Ratio | 19.5:1 | 9.5:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1430 kg | 1510 kg |
| Vehicle Length | 4480 mm | 4830 mm |
| Vehicle Width | 1740 mm | 1800 mm |
| Vehicle Height | 1420 mm | 1510 mm |
