2006 Audi S4 vs. 2007 Subaru Impreza
To start off, 2007 Subaru Impreza is newer by 1 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 4,163 cc (8 cylinders), 2006 Audi S4 is equipped with a bigger engine. In terms of performance, 2006 Audi S4 (340 HP @ 7000 RPM) has 24 more horse power than 2007 Subaru Impreza. (316 HP @ 6000 RPM). In normal driving conditions, 2006 Audi S4 should accelerate faster than 2007 Subaru Impreza. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi S4 weights approximately 385 kg more than 2007 Subaru Impreza. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Subaru Impreza 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, 2007 Subaru Impreza 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, 2007 Subaru Impreza (450 Nm @ 3700 RPM) has 40 more torque (in Nm) than 2006 Audi S4. (410 Nm @ 3500 RPM). This means 2007 Subaru Impreza will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi S4.
Compare all specifications:
| 2006 Audi S4 | 2007 Subaru Impreza | |
| Make | Audi | Subaru |
| Model | S4 | Impreza |
| Year Released | 2006 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2455 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 316 HP |
| Engine RPM | 7000 RPM | 6000 RPM |
| Torque | 410 Nm | 450 Nm |
| Torque RPM | 3500 RPM | 3700 RPM |
| Engine Compression Ratio | 11.0:1 | 8.2:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Acceleration 0-100mph | 5.8 seconds | 5.4 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1880 kg | 1495 kg |
| Vehicle Length | 4590 mm | 4470 mm |
| Vehicle Width | 1780 mm | 1750 mm |
| Vehicle Height | 1430 mm | 1450 mm |
| Wheelbase Size | 2650 mm | 2550 mm |
| Fuel Consumption Overall | 12.3 L/100km | 11.6 L/100km |
| Fuel Tank Capacity | 63 L | 60 L |
