2004 Audi A4 vs. 2008 BMW M6
To start off, 2008 BMW M6 is newer by 4 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), 2008 BMW M6 is equipped with a bigger engine. In terms of performance, 2008 BMW M6 (500 HP @ 7750 RPM) has 299 more horse power than 2004 Audi A4. (201 HP @ 3500 RPM) In normal driving conditions, 2008 BMW M6 should accelerate faster than 2004 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW M6 weights approximately 300 kg more than 2004 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2008 BMW M6. In wet, icy, snow, or gravel driving conditions, 2004 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, 2008 BMW M6 (520 Nm @ 6100 RPM) has 70 more torque (in Nm) than 2004 Audi A4. (450 Nm @ 1400 RPM). This means 2008 BMW M6 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A4. 2004 Audi A4 has automatic transmission and 2008 BMW M6 has manual transmission. 2008 BMW M6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Audi A4 | 2008 BMW M6 | |
| Make | Audi | BMW |
| Model | A4 | M6 |
| Year Released | 2004 | 2008 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 4999 cc |
| Engine Cylinders | 6 cylinders | 10 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 201 HP | 500 HP |
| Engine RPM | 3500 RPM | 7750 RPM |
| Torque | 450 Nm | 520 Nm |
| Torque RPM | 1400 RPM | 6100 RPM |
| Engine Bore Size | 83 mm | 92 mm |
| Engine Stroke Size | 91.4 mm | 75.2 mm |
| Engine Compression Ratio | 17.0:1 | 12.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 229 km/hour | 205 km/hour |
| Acceleration 0-100mph | 8.2 seconds | 4.8 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1705 kg | 2005 kg |
| Vehicle Length | 4590 mm | 4880 mm |
| Vehicle Width | 1780 mm | 1860 mm |
| Vehicle Height | 1430 mm | 1380 mm |
| Wheelbase Size | 2470 mm | 2790 mm |
| Fuel Consumption Overall | 8.3 L/100km | 15.4 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
