2009 BMW M5 vs. 2007 Audi A4
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 A4. In addition, the cost of maintenance, including insurance, on 2007 Audi A4 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 303 more horse power than 2007 Audi A4. (197 HP @ 5100 RPM). In normal driving conditions, 2009 BMW M5 should accelerate faster than 2007 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW M5 weights approximately 342 kg more than 2007 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW M5. In wet, icy, snow, or gravel driving conditions, 2007 Audi A4 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2009 BMW M5 (520 Nm @ 6100 RPM) has 240 more torque (in Nm) than 2007 Audi A4. (280 Nm @ 1800 RPM). This means 2009 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4.
Compare all specifications:
| 2009 BMW M5 | 2007 Audi A4 | |
| Make | BMW | Audi |
| Model | M5 | A4 |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4999 cc | 1984 cc |
| Engine Cylinders | 10 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 500 HP | 197 HP |
| Engine RPM | 7750 RPM | 5100 RPM |
| Torque | 520 Nm | 280 Nm |
| Torque RPM | 6100 RPM | 1800 RPM |
| Engine Bore Size | 92 mm | 82.5 mm |
| Engine Stroke Size | 75.2 mm | 92.8 mm |
| Engine Compression Ratio | 12.0:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 250 km/hour | 238 km/hour |
| Acceleration 0-100mph | 4.7 seconds | 7.2 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1836 kg | 1494 kg |
| Vehicle Length | 4860 mm | 4550 mm |
| Vehicle Width | 1850 mm | 1780 mm |
| Vehicle Height | 1480 mm | 1430 mm |
| Wheelbase Size | 2900 mm | 2650 mm |
| Fuel Consumption Overall | 14.8 L/100km | 8.8 L/100km |
| Fuel Tank Capacity | 70 L | 63 L |
