2008 Audi S8 vs. 2009 Subaru Outback
To start off, 2009 Subaru Outback is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Audi S8. In addition, the cost of maintenance, including insurance, on 2008 Audi S8 would be higher. At 5,204 cc (10 cylinders), 2008 Audi S8 is equipped with a bigger engine. In terms of performance, 2008 Audi S8 (450 HP @ 7000 RPM) has 205 more horse power than 2009 Subaru Outback. (245 HP @ 6600 RPM). In normal driving conditions, 2008 Audi S8 should accelerate faster than 2009 Subaru Outback. With that said, vehicle weight also plays an important factor in acceleration. 2009 Subaru Outback weights approximately 438 kg more than 2008 Audi S8.
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, 2008 Audi S8 (540 Nm @ 3500 RPM) has 248 more torque (in Nm) than 2009 Subaru Outback. (292 Nm @ 4200 RPM). This means 2008 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 2009 Subaru Outback.
Compare all specifications:
| 2008 Audi S8 | 2009 Subaru Outback | |
| Make | Audi | Subaru |
| Model | S8 | Outback |
| Year Released | 2008 | 2009 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 5204 cc | 2999 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 450 HP | 245 HP |
| Engine RPM | 7000 RPM | 6600 RPM |
| Torque | 540 Nm | 292 Nm |
| Torque RPM | 3500 RPM | 4200 RPM |
| Engine Bore Size | 84.5 mm | 89.2 mm |
| Engine Stroke Size | 92.8 mm | 79 mm |
| Engine Compression Ratio | 12.5:1 | 9.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | AWD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1176 kg | 1614 kg |
| Vehicle Length | 5070 mm | 4810 mm |
| Vehicle Width | 1900 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1610 mm |
| Wheelbase Size | 2950 mm | 2680 mm |
| Fuel Consumption Highway | 12.4 L/100km | 9.8 L/100km |
| Fuel Consumption City | 18.1 L/100km | 13.8 L/100km |
| Fuel Consumption Overall | 15.7 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 90 L | 64 L |
