2005 Audi S4 vs. 2003 Opel Vectra
To start off, 2005 Audi S4 is newer by 2 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 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 215 more horse power than 2003 Opel Vectra. (125 HP @ 6000 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 2003 Opel Vectra.
Let's talk about torque, 2005 Audi S4 (410 Nm) has 240 more torque (in Nm) than 2003 Opel Vectra. (170 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra.
Compare all specifications:
| 2005 Audi S4 | 2003 Opel Vectra | |
| Make | Audi | Opel |
| Model | S4 | Vectra |
| Year Released | 2005 | 2003 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4161 cc | 1796 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 125 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 410 Nm | 170 Nm |
| Engine Bore Size | 85 mm | 80.5 mm |
| Engine Stroke Size | 93 mm | 88.2 mm |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Length | 4580 mm | 4600 mm |
| Vehicle Width | 1780 mm | 1800 mm |
| Vehicle Height | 1400 mm | 1470 mm |
| Wheelbase Size | 2660 mm | 2710 mm |
| Fuel Tank Capacity | 63 L | 61 L |
