2008 Audi S8 vs. 2003 Opel Vectra
To start off, 2008 Audi S8 is newer by 5 year(s). Which means there will be less support and parts availability for 2003 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2003 Opel Vectra would be higher. At 5,204 cc (10 cylinders), 2008 Audi S8 is equipped with a bigger engine. In terms of performance, 2008 Audi S8 (444 HP @ 7000 RPM) has 324 more horse power than 2003 Opel Vectra. (120 HP @ 5400 RPM). In normal driving conditions, 2008 Audi S8 should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi S8 weights approximately 470 kg more than 2003 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Audi S8 is all wheel drive (AWD), it will have significant more traction and grip than 2003 Opel Vectra. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Audi S8 (540 Nm @ 3500 RPM) has 373 more torque (in Nm) than 2003 Opel Vectra. (167 Nm @ 3800 RPM). This means 2008 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra.
Compare all specifications:
| 2008 Audi S8 | 2003 Opel Vectra | |
| Make | Audi | Opel |
| Model | S8 | Vectra |
| Year Released | 2008 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 5204 cc | 1794 cc |
| Engine Cylinders | 10 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 444 HP | 120 HP |
| Engine RPM | 7000 RPM | 5400 RPM |
| Torque | 540 Nm | 167 Nm |
| Torque RPM | 3500 RPM | 3800 RPM |
| Engine Bore Size | 84.5 mm | 80.5 mm |
| Engine Stroke Size | 92.8 mm | 88.2 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | AWD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1940 kg | 1470 kg |
| Vehicle Width | 1900 mm | 1800 mm |
