2008 Audi S4 vs. 2004 BMW 745
To start off, 2008 Audi S4 is newer by 4 year(s). Which means there will be less support and parts availability for 2004 BMW 745. In addition, the cost of maintenance, including insurance, on 2004 BMW 745 would be higher. At 4,392 cc (8 cylinders), 2004 BMW 745 is equipped with a bigger engine. In terms of performance, 2008 Audi S4 (340 HP @ 7000 RPM) has 30 more horse power than 2004 BMW 745. (310 HP @ 7900 RPM). In normal driving conditions, 2008 Audi S4 should accelerate faster than 2004 BMW 745. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 745 weights approximately 230 kg more than 2008 Audi S4.
Because 2008 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 2004 BMW 745. 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, 2004 BMW 745 (451 Nm) has 41 more torque (in Nm) than 2008 Audi S4. (410 Nm). This means 2004 BMW 745 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi S4.
Compare all specifications:
| 2008 Audi S4 | 2004 BMW 745 | |
| Make | Audi | BMW |
| Model | S4 | 745 |
| Year Released | 2008 | 2004 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 4392 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 310 HP |
| Engine RPM | 7000 RPM | 7900 RPM |
| Torque | 410 Nm | 451 Nm |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1755 kg | 1985 kg |
| Vehicle Length | 4590 mm | 5040 mm |
| Vehicle Width | 1730 mm | 1910 mm |
| Vehicle Height | 1430 mm | 1500 mm |
| Wheelbase Size | 2650 mm | 3000 mm |
| Fuel Consumption Overall | 12.3 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 63 L | 88 L |
