2008 Audi A3 vs. 2005 BMW 730
To start off, 2008 Audi A3 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 BMW 730. In addition, the cost of maintenance, including insurance, on 2005 BMW 730 would be higher. At 2,979 cc (6 cylinders), 2005 BMW 730 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 730 weights approximately 800 kg more than 2008 Audi A3.
Because 2005 BMW 730 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 2005 BMW 730. However, in wet, icy, snow, or gravel driving conditions, 2008 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, 2005 BMW 730 (500 Nm @ 2000 RPM) has 290 more torque (in Nm) than 2008 Audi A3. (210 Nm @ 1750 RPM). This means 2005 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A3.
Compare all specifications:
| 2008 Audi A3 | 2005 BMW 730 | |
| Make | Audi | BMW |
| Model | A3 | 730 |
| Year Released | 2008 | 2005 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 2979 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 0 HP | 225 HP |
| Torque | 210 Nm | 500 Nm |
| Torque RPM | 1750 RPM | 2000 RPM |
| Engine Bore Size | 81.1 mm | 84.1 mm |
| Engine Stroke Size | 86.4 mm | 90 mm |
| Engine Compression Ratio | 9.5:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Acceleration 0-100mph | 8.2 seconds | 8 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1175 kg | 1975 kg |
| Vehicle Length | 4580 mm | 5050 mm |
| Vehicle Height | 1400 mm | 1500 mm |
| Wheelbase Size | 2520 mm | 2890 mm |
| Fuel Consumption Overall | 7.8 L/100km | 8.2 L/100km |
| Fuel Tank Capacity | 55 L | 88 L |
