2007 Audi S4 vs. 2009 BMW 530
To start off, 2009 BMW 530 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 4,163 cc (8 cylinders), 2007 Audi S4 is equipped with a bigger engine. In terms of performance, 2007 Audi S4 (341 HP @ 7000 RPM) has 126 more horse power than 2009 BMW 530. (215 HP @ 4000 RPM). In normal driving conditions, 2007 Audi S4 should accelerate faster than 2009 BMW 530.
Let's talk about torque, 2009 BMW 530 (480 Nm @ 1750 RPM) has 70 more torque (in Nm) than 2007 Audi S4. (410 Nm @ 3500 RPM). This means 2009 BMW 530 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 530 | |
| Make | Audi | BMW |
| Model | S4 | 530 |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2993 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 341 HP | 215 HP |
| Engine RPM | 7000 RPM | 4000 RPM |
| Torque | 410 Nm | 480 Nm |
| Torque RPM | 3500 RPM | 1750 RPM |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 249 km/hour | 242 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 | 1490 mm |
| Vehicle Height | 1430 mm | 1850 mm |
| Wheelbase Size | 2650 mm | 2890 mm |
| Fuel Tank Capacity | 63 L | 70 L |
