2007 Audi A3 vs. 2003 BMW M3
To start off, 2007 Audi A3 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 BMW M3. In addition, the cost of maintenance, including insurance, on 2003 BMW M3 would be higher. At 2,993 cc (6 cylinders), 2003 BMW M3 is equipped with a bigger engine. In terms of performance, 2003 BMW M3 (240 HP @ 6000 RPM) has 127 more horse power than 2007 Audi A3. (113 HP @ 6000 RPM) In normal driving conditions, 2003 BMW M3 should accelerate faster than 2007 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW M3 weights approximately 98 kg more than 2007 Audi A3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 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 2003 BMW M3. However, in wet, icy, snow, or gravel driving conditions, 2007 Audi A3, 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, 2003 BMW M3 (300 Nm @ 4250 RPM) has 145 more torque (in Nm) than 2007 Audi A3. (155 Nm @ 4000 RPM). This means 2003 BMW M3 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A3.
Compare all specifications:
| 2007 Audi A3 | 2003 BMW M3 | |
| Make | Audi | BMW |
| Model | A3 | M3 |
| Year Released | 2007 | 2003 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 2993 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 113 HP | 240 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 155 Nm | 300 Nm |
| Torque RPM | 4000 RPM | 4250 RPM |
| Engine Bore Size | 76.5 mm | 86 mm |
| Engine Stroke Size | 86.9 mm | 85.8 mm |
| Engine Compression Ratio | 12.0:1 | 10.5:1 |
| Top Speed | 196 km/hour | 220 km/hour |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1344 kg | 1442 kg |
| Vehicle Length | 4290 mm | 4440 mm |
| Vehicle Width | 1770 mm | 1720 mm |
| Vehicle Height | 1430 mm | 1340 mm |
| Wheelbase Size | 2580 mm | 2730 mm |
| Fuel Tank Capacity | 55 L | 65 L |
