2005 Audi S8 vs. 2004 Opel Vectra
To start off, 2005 Audi S8 is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2004 Opel Vectra would be higher. At 4,172 cc (8 cylinders), 2005 Audi S8 is equipped with a bigger engine. In terms of performance, 2005 Audi S8 (247 HP @ 4000 RPM) has 124 more horse power than 2004 Opel Vectra. (123 HP @ 4000 RPM). In normal driving conditions, 2005 Audi S8 should accelerate faster than 2004 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S8 weights approximately 265 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 2005 Audi S8 is all wheel drive (AWD), it will have significant more traction and grip than 2004 Opel Vectra. In wet, icy, snow, or gravel driving conditions, 2005 Audi S8 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, 2005 Audi S8 (450 Nm @ 3400 RPM) has 170 more torque (in Nm) than 2004 Opel Vectra. (280 Nm @ 1500 RPM). This means 2005 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Vectra.
Compare all specifications:
| 2005 Audi S8 | 2004 Opel Vectra | |
| Make | Audi | Opel |
| Model | S8 | Vectra |
| Year Released | 2005 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 2169 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 247 HP | 123 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 450 Nm | 280 Nm |
| Torque RPM | 3400 RPM | 1500 RPM |
| Drive Type | AWD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1770 kg | 1505 kg |
| Wheelbase Size | 2290 mm | 2720 mm |
| Fuel Tank Capacity | 90 L | 61 L |
