2004 Audi S4 vs. 1999 BMW M5
To start off, 2004 Audi S4 is newer by 5 year(s). Which means there will be less support and parts availability for 1999 BMW M5. In addition, the cost of maintenance, including insurance, on 1999 BMW M5 would be higher. At 4,900 cc (8 cylinders), 1999 BMW M5 is equipped with a bigger engine. In terms of performance, 1999 BMW M5 (401 HP @ 7400 RPM) has 61 more horse power than 2004 Audi S4. (340 HP @ 6200 RPM) In normal driving conditions, 1999 BMW M5 should accelerate faster than 2004 Audi S4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi S4 weights approximately 285 kg more than 1999 BMW M5.
Let's talk about torque, 1999 BMW M5 (499 Nm) has 88 more torque (in Nm) than 2004 Audi S4. (411 Nm). This means 1999 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi S4.
Compare all specifications:
| 2004 Audi S4 | 1999 BMW M5 | |
| Make | Audi | BMW |
| Model | S4 | M5 |
| Year Released | 2004 | 1999 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 4900 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 401 HP |
| Engine RPM | 6200 RPM | 7400 RPM |
| Torque | 411 Nm | 499 Nm |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1895 kg | 1610 kg |
| Vehicle Length | 4580 mm | 4780 mm |
| Vehicle Width | 1780 mm | 1810 mm |
| Vehicle Height | 1400 mm | 1440 mm |
| Wheelbase Size | 2770 mm | 2730 mm |
| Fuel Tank Capacity | 63 L | 70 L |
