2006 Audi S4 vs. 2004 Subaru Outback
To start off, 2006 Audi S4 is newer by 2 year(s). Which means there will be less support and parts availability for 2004 Subaru Outback. In addition, the cost of maintenance, including insurance, on 2004 Subaru Outback 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 (340 HP @ 7000 RPM) has 175 more horse power than 2004 Subaru Outback. (165 HP @ 5600 RPM). In normal driving conditions, 2006 Audi S4 should accelerate faster than 2004 Subaru Outback. With that said, vehicle weight also plays an important factor in acceleration. 2004 Subaru Outback weights approximately 26 kg more than 2006 Audi S4.
Because 2004 Subaru Outback 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, 2004 Subaru Outback 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) has 185 more torque (in Nm) than 2004 Subaru Outback. (225 Nm). This means 2006 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2004 Subaru Outback.
Compare all specifications:
| 2006 Audi S4 | 2004 Subaru Outback | |
| Make | Audi | Subaru |
| Model | S4 | Outback |
| Year Released | 2006 | 2004 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2457 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 165 HP |
| Engine RPM | 7000 RPM | 5600 RPM |
| Torque | 410 Nm | 225 Nm |
| Engine Bore Size | 84.6 mm | 100 mm |
| Engine Stroke Size | 93 mm | 79 mm |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1530 kg | 1556 kg |
| Vehicle Length | 4590 mm | 4770 mm |
| Vehicle Width | 1790 mm | 1750 mm |
| Vehicle Height | 1420 mm | 1610 mm |
| Wheelbase Size | 2660 mm | 2660 mm |
| Fuel Consumption Highway | 11.2 L/100km | 8.4 L/100km |
| Fuel Consumption City | 15.7 L/100km | 11.2 L/100km |
| Fuel Consumption Overall | 13.8 L/100km | 9.8 L/100km |
| Fuel Tank Capacity | 63 L | 64 L |
