2007 Audi A4 vs. 2009 BMW M3
To start off, 2009 BMW M3 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi A4. In addition, the cost of maintenance, including insurance, on 2007 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 253 more horse power than 2007 Audi A4. (161 HP @ 5700 RPM) In normal driving conditions, 2009 BMW M3 should accelerate faster than 2007 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW M3 weights approximately 55 kg more than 2007 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 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, 2007 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 175 more torque (in Nm) than 2007 Audi A4. (225 Nm @ 1950 RPM). This means 2009 BMW M3 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4.
Compare all specifications:
| 2007 Audi A4 | 2009 BMW M3 | |
| Make | Audi | BMW |
| Model | A4 | M3 |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1780 cc | 3999 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 161 HP | 414 HP |
| Engine RPM | 5700 RPM | 8300 RPM |
| Torque | 225 Nm | 400 Nm |
| Torque RPM | 1950 RPM | 3900 RPM |
| Engine Compression Ratio | 9.3:1 | 12.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 226 km/hour | 245 km/hour |
| Acceleration 0-100mph | 8.7 seconds | 4.8 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1470 kg | 1525 kg |
| Vehicle Length | 4550 mm | 4620 mm |
| Vehicle Width | 1780 mm | 1420 mm |
| Vehicle Height | 1430 mm | 1810 mm |
| Wheelbase Size | 2650 mm | 2770 mm |
| Fuel Consumption Overall | 9.2 L/100km | 9.2 L/100km |
| Fuel Tank Capacity | 63 L | 63 L |
