2008 Audi S4 vs. 2007 BMW 325
To start off, 2008 Audi S4 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 BMW 325. In addition, the cost of maintenance, including insurance, on 2007 BMW 325 would be higher. At 4,163 cc (8 cylinders), 2008 Audi S4 is equipped with a bigger engine. In terms of performance, 2008 Audi S4 (340 HP @ 7000 RPM) has 125 more horse power than 2007 BMW 325. (215 HP @ 6500 RPM). In normal driving conditions, 2008 Audi S4 should accelerate faster than 2007 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 325 weights approximately 316 kg more than 2008 Audi S4.
Because 2008 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW 325. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Audi S4 (410 Nm @ 3500 RPM) has 160 more torque (in Nm) than 2007 BMW 325. (250 Nm @ 2750 RPM). This means 2008 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 325.
Compare all specifications:
| 2008 Audi S4 | 2007 BMW 325 | |
| Make | Audi | BMW |
| Model | S4 | 325 |
| Year Released | 2008 | 2007 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2497 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 215 HP |
| Engine RPM | 7000 RPM | 6500 RPM |
| Torque | 410 Nm | 250 Nm |
| Torque RPM | 3500 RPM | 2750 RPM |
| Engine Bore Size | 84.6 mm | 82 mm |
| Engine Stroke Size | 92.8 mm | 78.8 mm |
| Engine Compression Ratio | 11.0:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Acceleration 0-100mph | 5.6 seconds | 7.2 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1160 kg | 1476 kg |
| Vehicle Width | 1780 mm | 1420 mm |
| Vehicle Height | 1400 mm | 1820 mm |
| Wheelbase Size | 2660 mm | 2770 mm |
| Fuel Consumption Overall | 13.4 L/100km | 8.6 L/100km |
| Fuel Tank Capacity | 63 L | 63 L |
