2004 BMW M5 vs. 2009 Audi A4
To start off, 2009 Audi A4 is newer by 5 year(s). Which means there will be less support and parts availability for 2004 BMW M5. In addition, the cost of maintenance, including insurance, on 2004 BMW M5 would be higher. At 4,999 cc (10 cylinders), 2004 BMW M5 is equipped with a bigger engine. In terms of performance, 2004 BMW M5 (500 HP @ 7400 RPM) has 172 more horse power than 2009 Audi A4. (328 HP @ 5500 RPM). In normal driving conditions, 2004 BMW M5 should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW M5 weights approximately 108 kg more than 2009 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2004 BMW M5. In wet, icy, snow, or gravel driving conditions, 2009 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 M5 (520 Nm @ 6100 RPM) has 80 more torque (in Nm) than 2009 Audi A4. (440 Nm @ 2900 RPM). This means 2004 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4. 2009 Audi A4 has automatic transmission and 2004 BMW M5 has manual transmission. 2004 BMW M5 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 BMW M5 | 2009 Audi A4 | |
| Make | BMW | Audi |
| Model | M5 | A4 |
| Year Released | 2004 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4999 cc | 2995 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 500 HP | 328 HP |
| Engine RPM | 7400 RPM | 5500 RPM |
| Torque | 520 Nm | 440 Nm |
| Torque RPM | 6100 RPM | 2900 RPM |
| Engine Bore Size | 92 mm | 84.6 mm |
| Engine Stroke Size | 75.2 mm | 89 mm |
| Engine Compression Ratio | 12.0:1 | 10.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 4.7 seconds | 5.1 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1758 kg | 1650 kg |
| Vehicle Length | 4850 mm | 4720 mm |
| Vehicle Width | 1850 mm | 1830 mm |
| Vehicle Height | 1470 mm | 1410 mm |
| Wheelbase Size | 2840 mm | 2820 mm |
| Fuel Consumption Overall | 14.8 L/100km | 9.7 L/100km |
