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 236 more horse power than 2005 Audi A4. (178 HP @ 4000 RPM) In normal driving conditions, 2009 BMW M3 should accelerate faster than 2005 Audi A4.
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, 2005 Audi A4 (370 Nm @ 1500 RPM) has 75 more torque (in Nm) than 2009 BMW M3. (295 Nm @ 3900 RPM). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW M3.
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 | 2392 cc | 3999 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 178 HP | 414 HP |
| Engine RPM | 4000 RPM | 8300 RPM |
| Torque | 370 Nm | 295 Nm |
| Torque RPM | 1500 RPM | 3900 RPM |
| Engine Compression Ratio | 19.0:1 | 12.0:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 223 km/hour | 249 km/hour |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Length | 4550 mm | 4590 mm |
| Vehicle Width | 1780 mm | 1820 mm |
| Vehicle Height | 1430 mm | 1450 mm |
| Wheelbase Size | 2770 mm | 2770 mm |
| Fuel Consumption Overall | 7.6 L/100km | 14.9 L/100km |
| Fuel Tank Capacity | 66 L | 63 L |
