2006 Audi S4 vs. 2003 Subaru Legacy
To start off, 2006 Audi S4 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Subaru Legacy. In addition, the cost of maintenance, including insurance, on 2003 Subaru Legacy would be higher. At 4,163 cc (8 cylinders), 2006 Audi S4 is equipped with a bigger engine. In terms of performance, 2006 Audi S4 (339 HP @ 7000 RPM) has 202 more horse power than 2003 Subaru Legacy. (137 HP @ 5600 RPM). In normal driving conditions, 2006 Audi S4 should accelerate faster than 2003 Subaru Legacy. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi S4 weights approximately 530 kg more than 2003 Subaru Legacy. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Subaru Legacy is four wheel drive (4WD), it will have significant more traction and grip than 2006 Audi S4. In wet, icy, snow, or gravel driving conditions, 2003 Subaru Legacy will offer significantly more control. 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 S4 (410 Nm @ 3500 RPM) has 222 more torque (in Nm) than 2003 Subaru Legacy. (188 Nm @ 4400 RPM). This means 2006 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2003 Subaru Legacy.
Compare all specifications:
| 2006 Audi S4 | 2003 Subaru Legacy | |
| Make | Audi | Subaru |
| Model | S4 | Legacy |
| Year Released | 2006 | 2003 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1994 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 339 HP | 137 HP |
| Engine RPM | 7000 RPM | 5600 RPM |
| Torque | 410 Nm | 188 Nm |
| Torque RPM | 3500 RPM | 4400 RPM |
| Engine Bore Size | 84.6 mm | 92 mm |
| Engine Stroke Size | 92.8 mm | 75 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1880 kg | 1350 kg |
| Vehicle Length | 4590 mm | 4730 mm |
| Vehicle Width | 1730 mm | 1740 mm |
| Vehicle Height | 1430 mm | 1480 mm |
| Wheelbase Size | 2650 mm | 2680 mm |
| Fuel Tank Capacity | 63 L | 64 L |
