2002 Audi A8 vs. 2004 Opel Vectra
To start off, 2004 Opel Vectra is newer by 2 year(s). Which means there will be less support and parts availability for 2002 Audi A8. In addition, the cost of maintenance, including insurance, on 2002 Audi A8 would be higher. At 2,966 cc (6 cylinders), 2002 Audi A8 is equipped with a bigger engine. In terms of performance, 2002 Audi A8 (230 HP @ 4000 RPM) has 55 more horse power than 2004 Opel Vectra. (175 HP @ 5500 RPM). In normal driving conditions, 2002 Audi A8 should accelerate faster than 2004 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2002 Audi A8 weights approximately 360 kg more than 2004 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2002 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2004 Opel Vectra. In wet, icy, snow, or gravel driving conditions, 2002 Audi A8 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, 2002 Audi A8 (450 Nm @ 1400 RPM) has 185 more torque (in Nm) than 2004 Opel Vectra. (265 Nm @ 2500 RPM). This means 2002 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Vectra. 2002 Audi A8 has automatic transmission and 2004 Opel Vectra has manual transmission. 2004 Opel Vectra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2002 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2002 Audi A8 | 2004 Opel Vectra | |
| Make | Audi | Opel |
| Model | A8 | Vectra |
| Year Released | 2002 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 2966 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 230 HP | 175 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 450 Nm | 265 Nm |
| Torque RPM | 1400 RPM | 2500 RPM |
| Engine Compression Ratio | 17.0:1 | 9.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Acceleration 0-100mph | 7.8 seconds | 9.4 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1830 kg | 1470 kg |
| Vehicle Length | 5060 mm | 4600 mm |
| Vehicle Width | 1900 mm | 1800 mm |
| Vehicle Height | 1450 mm | 1470 mm |
| Wheelbase Size | 2950 mm | 2740 mm |
| Fuel Consumption Overall | 8.4 L/100km | 8.9 L/100km |
