1999 Audi A4 vs. 2007 BMW 730
To start off, 2007 BMW 730 is newer by 8 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 2,996 cc (6 cylinders), 2007 BMW 730 is equipped with a bigger engine. In terms of performance, 2007 BMW 730 (255 HP @ 6600 RPM) has 3 more horse power than 1999 Audi A4. (252 HP @ 4150 RPM) In normal driving conditions, 2007 BMW 730 should accelerate faster than 1999 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 730 weights approximately 525 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 2007 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 2007 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, 1999 Audi A4 (330 Nm @ 1900 RPM) has 30 more torque (in Nm) than 2007 BMW 730. (300 Nm @ 2500 RPM). This means 1999 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 730.
Compare all specifications:
| 1999 Audi A4 | 2007 BMW 730 | |
| Make | Audi | BMW |
| Model | A4 | 730 |
| Year Released | 1999 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1896 cc | 2996 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 252 HP | 255 HP |
| Engine RPM | 4150 RPM | 6600 RPM |
| Torque | 330 Nm | 300 Nm |
| Torque RPM | 1900 RPM | 2500 RPM |
| Engine Compression Ratio | 19.5:1 | 10.7:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 192 km/hour | 244 km/hour |
| Acceleration 0-100mph | 13.1 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 | 1295 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 |
