2004 Audi A6 vs. 2007 BMW M
To start off, 2007 BMW M is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Audi A6. In addition, the cost of maintenance, including insurance, on 2004 Audi A6 would be higher. At 3,246 cc (6 cylinders), 2007 BMW M is equipped with a bigger engine. In terms of performance, 2007 BMW M (330 HP @ 7900 RPM) has 192 more horse power than 2004 Audi A6. (138 HP @ 4000 RPM) In normal driving conditions, 2007 BMW M should accelerate faster than 2004 Audi A6.
Because 2007 BMW M 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 M. However, in wet, icy, snow, or gravel driving conditions, 2004 Audi A6, 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 M (355 Nm @ 4900 RPM) has 35 more torque (in Nm) than 2004 Audi A6. (320 Nm @ 1750 RPM). This means 2007 BMW M will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A6.
Compare all specifications:
| 2004 Audi A6 | 2007 BMW M | |
| Make | Audi | BMW |
| Model | A6 | M |
| Year Released | 2004 | 2007 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 3246 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 330 HP |
| Engine RPM | 4000 RPM | 7900 RPM |
| Torque | 320 Nm | 355 Nm |
| Torque RPM | 1750 RPM | 4900 RPM |
| Engine Compression Ratio | 19.5:1 | 11.5:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4920 mm | 4120 mm |
| Vehicle Width | 1860 mm | 1790 mm |
| Vehicle Height | 1470 mm | 1290 mm |
| Wheelbase Size | 2850 mm | 2500 mm |
| Fuel Consumption | 4.8 L/100km | 9.8 L/100km |
| Fuel Consumption City | 8 L/100km | 14.7 L/100km |
| Fuel Consumption Overall | 6 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 70 L | 55 L |
