2005 Audi S4 vs. 2004 BMW M5
To start off, 2005 Audi S4 is newer by 1 year(s). Which means there will be less support and parts availability for 2004 BMW M5. In addition, the cost of maintenance, including insurance, on 2004 BMW M5 would be higher. At 4,999 cc (10 cylinders), 2004 BMW M5 is equipped with a bigger engine. In terms of performance, 2004 BMW M5 (500 HP @ 7400 RPM) has 160 more horse power than 2005 Audi S4. (340 HP @ 6300 RPM) In normal driving conditions, 2004 BMW M5 should accelerate faster than 2005 Audi S4. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW M5 weights approximately 23 kg more than 2005 Audi S4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2004 BMW M5 (520 Nm) has 110 more torque (in Nm) than 2005 Audi S4. (410 Nm). This means 2004 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi S4.
Compare all specifications:
| 2005 Audi S4 | 2004 BMW M5 | |
| Make | Audi | BMW |
| Model | S4 | M5 |
| Year Released | 2005 | 2004 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 4999 cc |
| Engine Cylinders | 8 cylinders | 10 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 500 HP |
| Engine RPM | 6300 RPM | 7400 RPM |
| Torque | 410 Nm | 520 Nm |
| Engine Bore Size | 85.1 mm | 92 mm |
| Engine Stroke Size | 93 mm | 75.2 mm |
| Engine Compression Ratio | 11.0:1 | 12.0:1 |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1735 kg | 1758 kg |
| Vehicle Length | 4550 mm | 4850 mm |
| Vehicle Width | 1770 mm | 1850 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2660 mm | 2840 mm |
| Fuel Consumption Highway | 11.2 L/100km | 10.2 L/100km |
| Fuel Consumption City | 15.7 L/100km | 22.7 L/100km |
| Fuel Consumption Overall | 13.8 L/100km | 14.8 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
