2005 Audi S8 vs. 2008 Opel Vectra
To start off, 2008 Opel Vectra is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Audi S8. In addition, the cost of maintenance, including insurance, on 2005 Audi S8 would be higher. At 4,172 cc (8 cylinders), 2005 Audi S8 is equipped with a bigger engine. In terms of performance, 2008 Opel Vectra (277 HP @ 5500 RPM) has 30 more horse power than 2005 Audi S8. (247 HP @ 4000 RPM) In normal driving conditions, 2008 Opel Vectra should accelerate faster than 2005 Audi S8. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S8 weights approximately 157 kg more than 2008 Opel Vectra.
Because 2005 Audi S8 is all wheel drive (AWD), it will have significant more traction and grip than 2008 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 95 more torque (in Nm) than 2008 Opel Vectra. (355 Nm @ 1800 RPM). This means 2005 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Vectra. 2005 Audi S8 has automatic transmission and 2008 Opel Vectra has manual transmission. 2008 Opel Vectra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Audi S8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi S8 | 2008 Opel Vectra | |
| Make | Audi | Opel |
| Model | S8 | Vectra |
| Year Released | 2005 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 2792 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 247 HP | 277 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 450 Nm | 355 Nm |
| Torque RPM | 3400 RPM | 1800 RPM |
| Drive Type | AWD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1770 kg | 1613 kg |
| Wheelbase Size | 2290 mm | 2840 mm |
| Fuel Tank Capacity | 90 L | 61 L |
