2004 Audi A4 vs. 2007 BMW M6
To start off, 2007 BMW M6 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Audi A4. In addition, the cost of maintenance, including insurance, on 2004 Audi A4 would be higher. At 4,999 cc (10 cylinders), 2007 BMW M6 is equipped with a bigger engine. In terms of performance, 2007 BMW M6 (500 HP @ 7750 RPM) has 330 more horse power than 2004 Audi A4. (170 HP @ 6500 RPM) In normal driving conditions, 2007 BMW M6 should accelerate faster than 2004 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 370 kg more than 2007 BMW M6.
Because 2007 BMW M6 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2007 BMW M6. However, in wet, icy, snow, or gravel driving conditions, 2004 Audi A4, being front wheel drive (FWD), will offer much better control with better grip. 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 M6 (520 Nm) has 285 more torque (in Nm) than 2004 Audi A4. (235 Nm). This means 2007 BMW M6 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A4.
Compare all specifications:
| 2004 Audi A4 | 2007 BMW M6 | |
| Make | Audi | BMW |
| Model | A4 | M6 |
| Year Released | 2004 | 2007 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1784 cc | 4999 cc |
| Engine Cylinders | 4 cylinders | 10 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 170 HP | 500 HP |
| Engine RPM | 6500 RPM | 7750 RPM |
| Torque | 235 Nm | 520 Nm |
| Engine Bore Size | 81 mm | 92 mm |
| Engine Stroke Size | 86 mm | 75.2 mm |
| Drive Type | Front | Rear |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1650 kg | 1280 kg |
| Vehicle Length | 4580 mm | 4880 mm |
| Vehicle Width | 1780 mm | 1860 mm |
| Vehicle Height | 1400 mm | 1380 mm |
| Wheelbase Size | 2580 mm | 2790 mm |
| Fuel Consumption | 7.8 L/100km | 13.1 L/100km |
| Fuel Consumption City | 10.2 L/100km | 19.6 L/100km |
| Fuel Consumption Overall | 9.1 L/100km | 16.8 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
