2009 Audi A4 vs. 2013 BMW M3
To start off, 2013 BMW M3 is newer by 4 year(s). Which means there will be less support and parts availability for 2009 Audi A4. In addition, the cost of maintenance, including insurance, on 2009 Audi A4 would be higher. At 3,999 cc (8 cylinders), 2013 BMW M3 is equipped with a bigger engine. In terms of performance, 2013 BMW M3 (408 HP @ 8300 RPM) has 208 more horse power than 2009 Audi A4. (200 HP @ 5100 RPM) In normal driving conditions, 2013 BMW M3 should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW M3 weights approximately 850 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 2013 BMW M3 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2013 BMW M3. However, in wet, icy, snow, or gravel driving conditions, 2009 Audi A4, being front wheel drive (FWD), will offer much better control with better grip. 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, 2013 BMW M3 (400 Nm @ 3900 RPM) has 119 more torque (in Nm) than 2009 Audi A4. (281 Nm @ 1800 RPM). This means 2013 BMW M3 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4.
Compare all specifications:
| 2009 Audi A4 | 2013 BMW M3 | |
| Make | Audi | BMW |
| Model | A4 | M3 |
| Year Released | 2009 | 2013 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 3999 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 200 HP | 408 HP |
| Engine RPM | 5100 RPM | 8300 RPM |
| Torque | 281 Nm | 400 Nm |
| Torque RPM | 1800 RPM | 3900 RPM |
| Engine Bore Size | 82.5 mm | 92 mm |
| Engine Stroke Size | 92.8 mm | 75 mm |
| Engine Compression Ratio | 10.5:1 | 12.0 : 1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Vehicle Weight | 1030 kg | 1880 kg |
| Vehicle Length | 4580 mm | 4618 mm |
| Vehicle Width | 1780 mm | 1976 mm |
| Vehicle Height | 1400 mm | 1392 mm |
| Wheelbase Size | 2660 mm | 2761 mm |
| Fuel Consumption | 7.8 L/100km | 10.1 L/100km |
| Fuel Consumption City | 10.2 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 70 L | 63 L |
