2005 Audi S4 vs. 2004 Opel Astra
To start off, 2005 Audi S4 is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Opel Astra. In addition, the cost of maintenance, including insurance, on 2004 Opel Astra would be higher. At 4,163 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 6200 RPM) has 172 more horse power than 2004 Opel Astra. (168 HP @ 5200 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 2004 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 357 kg more than 2004 Opel Astra. 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 169 more torque (in Nm) than 2004 Opel Astra. (241 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Astra.
Compare all specifications:
| 2005 Audi S4 | 2004 Opel Astra | |
| Make | Audi | Opel |
| Model | S4 | Astra |
| Year Released | 2005 | 2004 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1979 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 168 HP |
| Engine RPM | 6200 RPM | 5200 RPM |
| Torque | 410 Nm | 241 Nm |
| Engine Bore Size | 85 mm | 86 mm |
| Engine Stroke Size | 93 mm | 86 mm |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1782 kg | 1425 kg |
| Vehicle Length | 4550 mm | 4520 mm |
| Vehicle Width | 1770 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1510 mm |
| Wheelbase Size | 2760 mm | 2620 mm |
| Fuel Consumption Highway | 9.8 L/100km | 6.9 L/100km |
| Fuel Consumption City | 13.1 L/100km | 12.9 L/100km |
| Fuel Consumption Overall | 11.8 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 66 L | 52 L |
