2005 Audi S4 vs. 2001 Opel Vectra
To start off, 2005 Audi S4 is newer by 4 year(s). Which means there will be less support and parts availability for 2001 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2001 Opel Vectra would be higher. At 4,161 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 6300 RPM) has 240 more horse power than 2001 Opel Vectra. (100 HP @ 4300 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 2001 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 375 kg more than 2001 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 Audi S4 (410 Nm) has 170 more torque (in Nm) than 2001 Opel Vectra. (240 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2001 Opel Vectra.
Compare all specifications:
| 2005 Audi S4 | 2001 Opel Vectra | |
| Make | Audi | Opel |
| Model | S4 | Vectra |
| Year Released | 2005 | 2001 |
| Engine Position | Front | Front |
| Engine Size | 4161 cc | 1994 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 100 HP |
| Engine RPM | 6300 RPM | 4300 RPM |
| Torque | 410 Nm | 240 Nm |
| Engine Compression Ratio | 11.0:1 | 18.5:1 |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1840 kg | 1465 kg |
| Vehicle Length | 4580 mm | 4260 mm |
| Vehicle Width | 1780 mm | 1710 mm |
| Vehicle Height | 1400 mm | 1430 mm |
| Wheelbase Size | 2660 mm | 2500 mm |
| Fuel Tank Capacity | 63 L | 60 L |
