1999 Audi A4 vs. 2007 Opel Vectra
To start off, 2007 Opel Vectra is newer by 8 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 1,796 cc (4 cylinders), 2007 Opel Vectra is equipped with a bigger engine. In terms of performance, 1999 Audi A4 (123 HP @ 5800 RPM) has 3 more horse power than 2007 Opel Vectra. (120 HP @ 6000 RPM). In normal driving conditions, 1999 Audi A4 should accelerate faster than 2007 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Vectra weights approximately 205 kg more than 1999 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, 1999 Audi A4 (168 Nm @ 3500 RPM) has 1 more torque (in Nm) than 2007 Opel Vectra. (167 Nm @ 3800 RPM). This means 1999 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Vectra.
Compare all specifications:
| 1999 Audi A4 | 2007 Opel Vectra | |
| Make | Audi | Opel |
| Model | A4 | Vectra |
| Year Released | 1999 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 123 HP | 120 HP |
| Engine RPM | 5800 RPM | 6000 RPM |
| Torque | 168 Nm | 167 Nm |
| Torque RPM | 3500 RPM | 3800 RPM |
| Engine Bore Size | 81 mm | 80.5 mm |
| Engine Stroke Size | 86.4 mm | 88.2 mm |
| Engine Compression Ratio | 10.3:1 | 10.5:1 |
| Top Speed | 201 km/hour | 199 km/hour |
| Acceleration 0-100mph | 11 seconds | 12.1 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1285 kg | 1490 kg |
| Vehicle Length | 4480 mm | 4830 mm |
| Vehicle Width | 1740 mm | 1800 mm |
| Vehicle Height | 1420 mm | 1510 mm |
| Wheelbase Size | 2630 mm | 2840 mm |
| Fuel Tank Capacity | 62 L | 60 L |
