2004 BMW 730 vs. 2007 Audi A3
To start off, 2007 Audi A3 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 BMW 730. In addition, the cost of maintenance, including insurance, on 2004 BMW 730 would be higher. At 3,189 cc (6 cylinders), 2007 Audi A3 is equipped with a bigger engine. In terms of performance, 2007 Audi A3 (247 HP @ 6300 RPM) has 22 more horse power than 2004 BMW 730. (225 HP @ 6000 RPM) In normal driving conditions, 2007 Audi A3 should accelerate faster than 2004 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 730 weights approximately 176 kg more than 2007 Audi A3.
Because 2007 Audi A3 is four wheel drive (4WD), it will have significant more traction and grip than 2004 BMW 730. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Audi A3 (320 Nm @ 2500 RPM) has 20 more torque (in Nm) than 2004 BMW 730. (300 Nm @ 3500 RPM). This means 2007 Audi A3 will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW 730.
Compare all specifications:
| 2004 BMW 730 | 2007 Audi A3 | |
| Make | BMW | Audi |
| Model | 730 | A3 |
| Year Released | 2004 | 2007 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 3189 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 225 HP | 247 HP |
| Engine RPM | 6000 RPM | 6300 RPM |
| Torque | 300 Nm | 320 Nm |
| Torque RPM | 3500 RPM | 2500 RPM |
| Engine Bore Size | 84 mm | 84 mm |
| Engine Stroke Size | 90 mm | 95.9 mm |
| Engine Compression Ratio | 10.2:1 | 11.3:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1790 kg | 1614 kg |
| Vehicle Length | 5040 mm | 4290 mm |
| Vehicle Width | 1910 mm | 1770 mm |
| Vehicle Height | 1500 mm | 1430 mm |
| Wheelbase Size | 3000 mm | 2580 mm |
| Fuel Tank Capacity | 63 L | 60 L |
