1999 BMW 730 vs. 2007 Audi A6
To start off, 2007 Audi A6 is newer by 8 year(s). Which means there will be less support and parts availability for 1999 BMW 730. In addition, the cost of maintenance, including insurance, on 1999 BMW 730 would be higher. At 2,793 cc (6 cylinders), 1999 BMW 730 is equipped with a bigger engine. In terms of performance, 1999 BMW 730 (190 HP @ 5300 RPM) has 12 more horse power than 2007 Audi A6. (178 HP @ 4000 RPM). In normal driving conditions, 1999 BMW 730 should accelerate faster than 2007 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A6 weights approximately 144 kg more than 1999 BMW 730.
Because 2007 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 1999 BMW 730. In wet, icy, snow, or gravel driving conditions, 2007 Audi A6 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 A6 (370 Nm @ 1500 RPM) has 90 more torque (in Nm) than 1999 BMW 730. (280 Nm @ 3950 RPM). This means 2007 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1999 BMW 730.
Compare all specifications:
| 1999 BMW 730 | 2007 Audi A6 | |
| Make | BMW | Audi |
| Model | 730 | A6 |
| Year Released | 1999 | 2007 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2793 cc | 2496 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 190 HP | 178 HP |
| Engine RPM | 5300 RPM | 4000 RPM |
| Torque | 280 Nm | 370 Nm |
| Torque RPM | 3950 RPM | 1500 RPM |
| Engine Bore Size | 84 mm | 78.4 mm |
| Engine Stroke Size | 84 mm | 86.4 mm |
| Engine Compression Ratio | 10.2:1 | 19.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1746 kg | 1890 kg |
| Vehicle Length | 5130 mm | 4820 mm |
| Vehicle Width | 1870 mm | 1860 mm |
| Vehicle Height | 1430 mm | 1560 mm |
| Wheelbase Size | 2940 mm | 2760 mm |
| Fuel Tank Capacity | 90 L | 70 L |
