1999 Audi A4 vs. 2006 BMW 730
To start off, 2006 BMW 730 is newer by 7 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 2,994 cc (6 cylinders), 2006 BMW 730 is equipped with a bigger engine. In terms of performance, 2006 BMW 730 (254 HP @ 6600 RPM) has 131 more horse power than 1999 Audi A4. (123 HP @ 5800 RPM) In normal driving conditions, 2006 BMW 730 should accelerate faster than 1999 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 730 weights approximately 555 kg more than 1999 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 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 2006 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, 2006 BMW 730 (300 Nm @ 2500 RPM) has 132 more torque (in Nm) than 1999 Audi A4. (168 Nm @ 3500 RPM). This means 2006 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 | 2006 BMW 730 | |
| Make | Audi | BMW |
| Model | A4 | 730 |
| Year Released | 1999 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 2994 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 123 HP | 254 HP |
| Engine RPM | 5800 RPM | 6600 RPM |
| Torque | 168 Nm | 300 Nm |
| Torque RPM | 3500 RPM | 2500 RPM |
| Engine Compression Ratio | 10.3:1 | 10.7:1 |
| Top Speed | 198 km/hour | 244 km/hour |
| Acceleration 0-100mph | 12.3 seconds | 7.9 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 | 1265 kg | 1820 kg |
| Vehicle Length | 4480 mm | 5180 mm |
| Vehicle Width | 1740 mm | 1910 mm |
| Vehicle Height | 1420 mm | 1500 mm |
| Wheelbase Size | 2620 mm | 3140 mm |
| Fuel Tank Capacity | 62 L | 88 L |
