2005 Audi A4 vs. 2007 BMW M5
To start off, 2007 BMW M5 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Audi A4. In addition, the cost of maintenance, including insurance, on 2005 Audi A4 would be higher. At 4,999 cc (10 cylinders), 2007 BMW M5 is equipped with a bigger engine. In terms of performance, 2007 BMW M5 (500 HP @ 7750 RPM) has 329 more horse power than 2005 Audi A4. (171 HP @ 6200 RPM) In normal driving conditions, 2007 BMW M5 should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW M5 weights approximately 95 kg more than 2005 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW M5. In wet, icy, snow, or gravel driving conditions, 2005 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, 2007 BMW M5 (520 Nm) has 295 more torque (in Nm) than 2005 Audi A4. (225 Nm). This means 2007 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4.
Compare all specifications:
| 2005 Audi A4 | 2007 BMW M5 | |
| Make | Audi | BMW |
| Model | A4 | M5 |
| Year Released | 2005 | 2007 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1786 cc | 4999 cc |
| Engine Cylinders | 4 cylinders | 10 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 171 HP | 500 HP |
| Engine RPM | 6200 RPM | 7750 RPM |
| Torque | 225 Nm | 520 Nm |
| Engine Compression Ratio | 9.3:1 | 12.0:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1660 kg | 1755 kg |
| Vehicle Length | 4550 mm | 4860 mm |
| Vehicle Width | 1770 mm | 1850 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2770 mm | 2890 mm |
| Fuel Consumption | 8.4 L/100km | 13.1 L/100km |
| Fuel Consumption City | 11.8 L/100km | 19.6 L/100km |
| Fuel Consumption Overall | 10.2 L/100km | 14.8 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
