2007 Audi A4 vs. 2004 BMW M6
To start off, 2007 Audi A4 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 BMW M6. In addition, the cost of maintenance, including insurance, on 2004 BMW M6 would be higher. At 4,998 cc (10 cylinders), 2004 BMW M6 is equipped with a bigger engine. In terms of performance, 2004 BMW M6 (500 HP @ 7750 RPM) has 245 more horse power than 2007 Audi A4. (255 HP @ 6500 RPM) In normal driving conditions, 2004 BMW M6 should accelerate faster than 2007 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 95 kg more than 2004 BMW M6.
Because 2007 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2004 BMW M6. 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, 2004 BMW M6 (520 Nm @ 6100 RPM) has 189 more torque (in Nm) than 2007 Audi A4. (331 Nm @ 3250 RPM). This means 2004 BMW M6 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4. 2007 Audi A4 has automatic transmission and 2004 BMW M6 has manual transmission. 2004 BMW M6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi A4 | 2004 BMW M6 | |
| Make | Audi | BMW |
| Model | A4 | M6 |
| Year Released | 2007 | 2004 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 4998 cc |
| Engine Cylinders | 6 cylinders | 10 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 255 HP | 500 HP |
| Engine RPM | 6500 RPM | 7750 RPM |
| Torque | 331 Nm | 520 Nm |
| Torque RPM | 3250 RPM | 6100 RPM |
| Engine Bore Size | 84 mm | 92 mm |
| Engine Stroke Size | 96 mm | 75.2 mm |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1880 kg | 1785 kg |
| Vehicle Length | 4590 mm | 4880 mm |
| Vehicle Width | 1780 mm | 1860 mm |
| Vehicle Height | 1430 mm | 1380 mm |
| Wheelbase Size | 2660 mm | 2790 mm |
| Fuel Consumption | 8.7 L/100km | 10.2 L/100km |
| Fuel Consumption City | 12.4 L/100km | 22.7 L/100km |
| Fuel Consumption Overall | 10.7 L/100km | 14.8 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
