2003 Audi A4 vs. 2002 Opel Vectra
To start off, 2003 Audi A4 is newer by 1 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 2,198 cc (4 cylinders), 2002 Opel Vectra is equipped with a bigger engine. In terms of performance, 2002 Opel Vectra (143 HP @ 5600 RPM) has 30 more horse power than 2003 Audi A4. (113 HP @ 5800 RPM) In normal driving conditions, 2002 Opel Vectra should accelerate faster than 2003 Audi A4.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2002 Opel Vectra (203 Nm @ 4000 RPM) has 55 more torque (in Nm) than 2003 Audi A4. (148 Nm @ 3800 RPM). This means 2002 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2003 Audi A4.
Compare all specifications:
| 2003 Audi A4 | 2002 Opel Vectra | |
| Make | Audi | Opel |
| Model | A4 | Vectra |
| Year Released | 2003 | 2002 |
| Engine Position | Front | Front |
| Engine Size | 1595 cc | 2198 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 113 HP | 143 HP |
| Engine RPM | 5800 RPM | 5600 RPM |
| Torque | 148 Nm | 203 Nm |
| Torque RPM | 3800 RPM | 4000 RPM |
| Engine Bore Size | 81.1 mm | 86 mm |
| Engine Stroke Size | 77.4 mm | 94.6 mm |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4590 mm | 4600 mm |
| Vehicle Width | 1770 mm | 1770 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2660 mm | 2710 mm |
| Fuel Tank Capacity | 70 L | 61 L |
