2005 Audi A4 vs. 1999 Opel Vectra
To start off, 2005 Audi A4 is newer by 6 year(s). Which means there will be less support and parts availability for 1999 Opel Vectra. In addition, the cost of maintenance, including insurance, on 1999 Opel Vectra would be higher. At 1,796 cc (4 cylinders), 1999 Opel Vectra is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (170 HP @ 6500 RPM) has 56 more horse power than 1999 Opel Vectra. (114 HP @ 5400 RPM). In normal driving conditions, 2005 Audi A4 should accelerate faster than 1999 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 264 kg more than 1999 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2005 Audi A4 (230 Nm) has 60 more torque (in Nm) than 1999 Opel Vectra. (170 Nm). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Vectra.
Compare all specifications:
| 2005 Audi A4 | 1999 Opel Vectra | |
| Make | Audi | Opel |
| Model | A4 | Vectra |
| Year Released | 2005 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 1786 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 170 HP | 114 HP |
| Engine RPM | 6500 RPM | 5400 RPM |
| Torque | 230 Nm | 170 Nm |
| Engine Bore Size | 81 mm | 80.5 mm |
| Engine Stroke Size | 86 mm | 88.2 mm |
| Drive Type | Front | Front |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1656 kg | 1392 kg |
| Vehicle Length | 4580 mm | 4500 mm |
| Vehicle Width | 1780 mm | 1720 mm |
| Vehicle Height | 1400 mm | 1500 mm |
| Wheelbase Size | 2770 mm | 2650 mm |
