2006 Audi S4 vs. 2009 Subaru Forester
To start off, 2009 Subaru Forester is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Audi S4. In addition, the cost of maintenance, including insurance, on 2006 Audi S4 would be higher. At 4,162 cc (8 cylinders), 2006 Audi S4 is equipped with a bigger engine. In terms of performance, 2006 Audi S4 (339 HP @ 7000 RPM) has 114 more horse power than 2009 Subaru Forester. (225 HP @ 5200 RPM). In normal driving conditions, 2006 Audi S4 should accelerate faster than 2009 Subaru Forester. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi S4 weights approximately 300 kg more than 2009 Subaru Forester. 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 S4 (410 Nm @ 3500 RPM) has 104 more torque (in Nm) than 2009 Subaru Forester. (306 Nm @ 2800 RPM). This means 2006 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2009 Subaru Forester. 2009 Subaru Forester has automatic transmission and 2006 Audi S4 has manual transmission. 2006 Audi S4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Subaru Forester will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Audi S4 | 2009 Subaru Forester | |
| Make | Audi | Subaru |
| Model | S4 | Forester |
| Year Released | 2006 | 2009 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4162 cc | 2457 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 339 HP | 225 HP |
| Engine RPM | 7000 RPM | 5200 RPM |
| Torque | 410 Nm | 306 Nm |
| Torque RPM | 3500 RPM | 2800 RPM |
| Engine Bore Size | 84.5 mm | 99.5 mm |
| Engine Stroke Size | 92.8 mm | 79 mm |
| Engine Compression Ratio | 11.0:1 | 8.4:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1735 kg | 1435 kg |
| Vehicle Length | 4580 mm | 4570 mm |
| Vehicle Width | 1790 mm | 1790 mm |
| Vehicle Height | 1420 mm | 1680 mm |
| Wheelbase Size | 2660 mm | 2620 mm |
| Fuel Consumption Overall | 13.4 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 63 L | 64 L |
