2003 Audi A3 vs. 2006 BMW 630
To start off, 2006 BMW 630 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Audi A3. In addition, the cost of maintenance, including insurance, on 2003 Audi A3 would be higher. At 2,996 cc (6 cylinders), 2006 BMW 630 is equipped with a bigger engine. In terms of performance, 2006 BMW 630 (254 HP @ 6600 RPM) has 154 more horse power than 2003 Audi A3. (100 HP @ 5600 RPM) In normal driving conditions, 2006 BMW 630 should accelerate faster than 2003 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 630 weights approximately 555 kg more than 2003 Audi A3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Audi A3 is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW 630. In wet, icy, snow, or gravel driving conditions, 2003 Audi A3 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, 2006 BMW 630 (300 Nm @ 2500 RPM) has 152 more torque (in Nm) than 2003 Audi A3. (148 Nm @ 3800 RPM). This means 2006 BMW 630 will have an easier job in driving up hills or pulling heavy equipment than 2003 Audi A3.
Compare all specifications:
| 2003 Audi A3 | 2006 BMW 630 | |
| Make | Audi | BMW |
| Model | A3 | 630 |
| Year Released | 2003 | 2006 |
| Body Type | Hatchback | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1595 cc | 2996 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 100 HP | 254 HP |
| Engine RPM | 5600 RPM | 6600 RPM |
| Torque | 148 Nm | 300 Nm |
| Torque RPM | 3800 RPM | 2500 RPM |
| Engine Bore Size | 81.1 mm | 85 mm |
| Engine Stroke Size | 77.4 mm | 88 mm |
| Engine Compression Ratio | 10.3:1 | 10.7:1 |
| Acceleration 0-100mph | 11.9 seconds | 7.2 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1205 kg | 1760 kg |
| Vehicle Length | 4210 mm | 4830 mm |
| Vehicle Width | 1770 mm | 1860 mm |
| Vehicle Height | 1430 mm | 1380 mm |
| Wheelbase Size | 2580 mm | 2790 mm |
| Fuel Consumption Overall | 7 L/100km | 9.6 L/100km |
| Fuel Tank Capacity | 55 L | 70 L |
