2005 Audi A4 vs. 2009 BMW M3
To start off, 2009 BMW M3 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Audi A4. In addition, the cost of maintenance, including insurance, on 2005 Audi A4 would be higher. At 3,999 cc (8 cylinders), 2009 BMW M3 is equipped with a bigger engine. In terms of performance, 2009 BMW M3 (414 HP @ 8300 RPM) has 285 more horse power than 2005 Audi A4. (129 HP @ 4000 RPM) In normal driving conditions, 2009 BMW M3 should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 10 kg more than 2009 BMW M3.
Because 2005 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW M3. In wet, icy, snow, or gravel driving conditions, 2005 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, 2009 BMW M3 (400 Nm @ 3900 RPM) has 90 more torque (in Nm) than 2005 Audi A4. (310 Nm @ 1900 RPM). This means 2009 BMW M3 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4.
Compare all specifications:
| 2005 Audi A4 | 2009 BMW M3 | |
| Make | Audi | BMW |
| Model | A4 | M3 |
| Year Released | 2005 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 3999 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 129 HP | 414 HP |
| Engine RPM | 4000 RPM | 8300 RPM |
| Torque | 310 Nm | 400 Nm |
| Torque RPM | 1900 RPM | 3900 RPM |
| Engine Bore Size | 79.5 mm | 92 mm |
| Engine Stroke Size | 95.5 mm | 75.2 mm |
| Engine Compression Ratio | 19.0:1 | 12.0:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 202 km/hour | 250 km/hour |
| Acceleration 0-100mph | 10.6 seconds | 4.9 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1540 kg | 1530 kg |
| Vehicle Length | 4550 mm | 4590 mm |
| Vehicle Width | 1780 mm | 1450 mm |
| Vehicle Height | 1430 mm | 1760 mm |
| Wheelbase Size | 2660 mm | 2770 mm |
| Fuel Consumption Overall | 6.1 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 66 L | 63 L |
