2005 Audi S4 vs. 2009 Subaru Impreza
To start off, 2009 Subaru Impreza is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Audi S4. In addition, the cost of maintenance, including insurance, on 2005 Audi S4 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 (339 HP @ 7000 RPM) has 233 more horse power than 2009 Subaru Impreza. (106 HP @ 6000 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 2009 Subaru Impreza. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 365 kg more than 2009 Subaru Impreza. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 S4 (430 Nm @ 3500 RPM) has 288 more torque (in Nm) than 2009 Subaru Impreza. (142 Nm @ 3200 RPM). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2009 Subaru Impreza.
Compare all specifications:
| 2005 Audi S4 | 2009 Subaru Impreza | |
| Make | Audi | Subaru |
| Model | S4 | Impreza |
| Year Released | 2005 | 2009 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1498 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 339 HP | 106 HP |
| Engine RPM | 7000 RPM | 6000 RPM |
| Torque | 430 Nm | 142 Nm |
| Torque RPM | 3500 RPM | 3200 RPM |
| Engine Bore Size | 84.5 mm | 77.7 mm |
| Engine Stroke Size | 92.8 mm | 79 mm |
| Engine Compression Ratio | 11.0:1 | 10.1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 175 km/hour |
| Acceleration 0-100mph | 5.9 seconds | 14 seconds |
| Drive Type | 4WD | AWD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1675 kg | 1310 kg |
| Vehicle Length | 4580 mm | 4415 mm |
| Vehicle Width | 1790 mm | 1740 mm |
| Vehicle Height | 1420 mm | 1476 mm |
| Wheelbase Size | 2580 mm | 2619 mm |
| Fuel Consumption Overall | 13.4 L/100km | 7.5 L/100km |
| Fuel Tank Capacity | 66 L | 64 L |
