2004 Audi S4 vs. 2008 BMW 730
To start off, 2008 BMW 730 is newer by 4 year(s). Which means there will be less support and parts availability for 2004 Audi S4. In addition, the cost of maintenance, including insurance, on 2004 Audi S4 would be higher. At 4,163 cc (8 cylinders), 2004 Audi S4 is equipped with a bigger engine. In terms of performance, 2004 Audi S4 (340 HP @ 6200 RPM) has 86 more horse power than 2008 BMW 730. (254 HP @ 6600 RPM). In normal driving conditions, 2004 Audi S4 should accelerate faster than 2008 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW 730 weights approximately 40 kg more than 2004 Audi S4.
Let's talk about torque, 2004 Audi S4 (411 Nm) has 111 more torque (in Nm) than 2008 BMW 730. (300 Nm). This means 2004 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW 730.
Compare all specifications:
| 2004 Audi S4 | 2008 BMW 730 | |
| Make | Audi | BMW |
| Model | S4 | 730 |
| Year Released | 2004 | 2008 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2996 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 254 HP |
| Engine RPM | 6200 RPM | 6600 RPM |
| Torque | 411 Nm | 300 Nm |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1895 kg | 1935 kg |
| Vehicle Length | 4580 mm | 5040 mm |
| Vehicle Width | 1780 mm | 1910 mm |
| Vehicle Height | 1400 mm | 1500 mm |
| Wheelbase Size | 2770 mm | 3000 mm |
| Fuel Consumption Overall | 11.8 L/100km | 10.1 L/100km |
| Fuel Tank Capacity | 63 L | 88 L |
