1999 Audi A4 vs. 2005 BMW 730
To start off, 2005 BMW 730 is newer by 6 year(s). Which means there will be less support and parts availability for 1999 Audi A4. In addition, the cost of maintenance, including insurance, on 1999 Audi A4 would be higher. At 2,979 cc (6 cylinders), 2005 BMW 730 is equipped with a bigger engine. In terms of performance, 1999 Audi A4 (248 HP @ 5700 RPM) has 23 more horse power than 2005 BMW 730. (225 HP @ 4000 RPM). In normal driving conditions, 1999 Audi A4 should accelerate faster than 2005 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 730 weights approximately 675 kg more than 1999 Audi A4.
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, 1999 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, 2005 BMW 730 (500 Nm @ 2000 RPM) has 180 more torque (in Nm) than 1999 Audi A4. (320 Nm @ 1750 RPM). This means 2005 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi A4.
Compare all specifications:
| 1999 Audi A4 | 2005 BMW 730 | |
| Make | Audi | BMW |
| Model | A4 | 730 |
| Year Released | 1999 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 2979 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 248 HP | 225 HP |
| Engine RPM | 5700 RPM | 4000 RPM |
| Torque | 320 Nm | 500 Nm |
| Torque RPM | 1750 RPM | 2000 RPM |
| Engine Bore Size | 81 mm | 84.1 mm |
| Engine Stroke Size | 86.4 mm | 90 mm |
| Engine Compression Ratio | 9.5:1 | 18.0:1 |
| Acceleration 0-100mph | 9.6 seconds | 8 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1300 kg | 1975 kg |
| Vehicle Length | 4480 mm | 5050 mm |
| Vehicle Width | 1740 mm | 1910 mm |
| Vehicle Height | 1420 mm | 1500 mm |
| Wheelbase Size | 2620 mm | 2890 mm |
| Fuel Tank Capacity | 62 L | 88 L |
