2003 Audi A8 vs. 2006 BMW 730
To start off, 2006 BMW 730 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Audi A8. In addition, the cost of maintenance, including insurance, on 2003 Audi A8 would be higher. At 3,936 cc (8 cylinders), 2003 Audi A8 is equipped with a bigger engine. In terms of performance, 2003 Audi A8 (272 HP @ 3750 RPM) has 44 more horse power than 2006 BMW 730. (228 HP @ 4000 RPM). In normal driving conditions, 2003 Audi A8 should accelerate faster than 2006 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 730 weights approximately 155 kg more than 2003 Audi A8.
Because 2003 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW 730. In wet, icy, snow, or gravel driving conditions, 2003 Audi A8 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, 2003 Audi A8 (650 Nm @ 1800 RPM) has 130 more torque (in Nm) than 2006 BMW 730. (520 Nm @ 2000 RPM). This means 2003 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 730. 2003 Audi A8 has automatic transmission and 2006 BMW 730 has manual transmission. 2006 BMW 730 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Audi A8 | 2006 BMW 730 | |
| Make | Audi | BMW |
| Model | A8 | 730 |
| Year Released | 2003 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3936 cc | 2991 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 272 HP | 228 HP |
| Engine RPM | 3750 RPM | 4000 RPM |
| Torque | 650 Nm | 520 Nm |
| Torque RPM | 1800 RPM | 2000 RPM |
| Engine Compression Ratio | 17.5:1 | 18.0:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 250 km/hour | 238 km/hour |
| Acceleration 0-100mph | 6.8 seconds | 7.8 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1820 kg | 1975 kg |
| Vehicle Length | 5190 mm | 5050 mm |
| Vehicle Width | 1900 mm | 1910 mm |
| Vehicle Height | 1460 mm | 1500 mm |
| Wheelbase Size | 3080 mm | 3000 mm |
| Fuel Consumption Overall | 9.6 L/100km | 8.2 L/100km |
| Fuel Tank Capacity | 90 L | 88 L |
