2007 Audi S4 vs. 2009 BMW M5
To start off, 2009 BMW M5 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi S4. In addition, the cost of maintenance, including insurance, on 2007 Audi S4 would be higher. At 4,999 cc (10 cylinders), 2009 BMW M5 is equipped with a bigger engine. In terms of performance, 2009 BMW M5 (500 HP @ 7750 RPM) has 159 more horse power than 2007 Audi S4. (341 HP @ 7000 RPM) In normal driving conditions, 2009 BMW M5 should accelerate faster than 2007 Audi S4.
Let's talk about torque, 2009 BMW M5 (519 Nm @ 6100 RPM) has 109 more torque (in Nm) than 2007 Audi S4. (410 Nm @ 3500 RPM). This means 2009 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi S4.
Compare all specifications:
| 2007 Audi S4 | 2009 BMW M5 | |
| Make | Audi | BMW |
| Model | S4 | M5 |
| Year Released | 2007 | 2009 |
| 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 | 341 HP | 500 HP |
| Engine RPM | 7000 RPM | 7750 RPM |
| Torque | 410 Nm | 519 Nm |
| Torque RPM | 3500 RPM | 6100 RPM |
| Engine Compression Ratio | 11.0:1 | 12.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 249 km/hour | 250 km/hour |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4590 mm | 4850 mm |
| Vehicle Width | 1730 mm | 1850 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2650 mm | 2890 mm |
| Fuel Tank Capacity | 63 L | 70 L |
