2006 Audi RS4 vs. 2003 Subaru Impreza
To start off, 2006 Audi RS4 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Subaru Impreza. In addition, the cost of maintenance, including insurance, on 2003 Subaru Impreza would be higher. At 4,163 cc (8 cylinders), 2006 Audi RS4 is equipped with a bigger engine. In terms of performance, 2006 Audi RS4 (414 HP @ 7800 RPM) has 168 more horse power than 2003 Subaru Impreza. (246 HP @ 6000 RPM). In normal driving conditions, 2006 Audi RS4 should accelerate faster than 2003 Subaru Impreza. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi RS4 weights approximately 240 kg more than 2003 Subaru Impreza. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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, 2006 Audi RS4 (430 Nm @ 5500 RPM) has 97 more torque (in Nm) than 2003 Subaru Impreza. (333 Nm @ 3600 RPM). This means 2006 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 2003 Subaru Impreza. 2003 Subaru Impreza has automatic transmission and 2006 Audi RS4 has manual transmission. 2006 Audi RS4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Subaru Impreza will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Audi RS4 | 2003 Subaru Impreza | |
| Make | Audi | Subaru |
| Model | RS4 | Impreza |
| Year Released | 2006 | 2003 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1994 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 414 HP | 246 HP |
| Engine RPM | 7800 RPM | 6000 RPM |
| Torque | 430 Nm | 333 Nm |
| Torque RPM | 5500 RPM | 3600 RPM |
| Engine Bore Size | 84.5 mm | 92 mm |
| Engine Stroke Size | 92.8 mm | 75 mm |
| Engine Compression Ratio | 12.5:1 | 9.0:1 |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1650 kg | 1410 kg |
| Vehicle Length | 4590 mm | 4420 mm |
| Vehicle Width | 1820 mm | 1700 mm |
| Vehicle Height | 1420 mm | 1460 mm |
| Wheelbase Size | 2660 mm | 2660 mm |
| Fuel Tank Capacity | 63 L | 60 L |
