2006 Audi S4 vs. 2009 BMW 325
To start off, 2009 BMW 325 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 124 more horse power than 2009 BMW 325. (215 HP @ 6500 RPM). In normal driving conditions, 2006 Audi S4 should accelerate faster than 2009 BMW 325.
Because 2006 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW 325. In wet, icy, snow, or gravel driving conditions, 2006 Audi S4 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 95 more torque (in Nm) than 2009 BMW 325. (315 Nm @ 2750 RPM). This means 2006 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 325.
Compare all specifications:
| 2006 Audi S4 | 2009 BMW 325 | |
| Make | Audi | BMW |
| Model | S4 | 325 |
| Year Released | 2006 | 2009 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4162 cc | 2494 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 339 HP | 215 HP |
| Engine RPM | 7000 RPM | 6500 RPM |
| Torque | 410 Nm | 315 Nm |
| Torque RPM | 3500 RPM | 2750 RPM |
| Engine Bore Size | 84.5 mm | 84 mm |
| Engine Stroke Size | 92.8 mm | 81 mm |
| Engine Compression Ratio | 11.0:1 | 9.8:1 |
| Fuel Type | Gasoline | Gasoline |
| Acceleration 0-100mph | 5.9 seconds | 7 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Length | 4590 mm | 4530 mm |
| Vehicle Width | 1730 mm | 1430 mm |
| Vehicle Height | 1430 mm | 1820 mm |
| Wheelbase Size | 2650 mm | 2770 mm |
| Fuel Consumption Overall | 12.3 L/100km | 8.4 L/100km |
| Fuel Tank Capacity | 63 L | 60 L |
