2004 Audi A8 vs. 2006 BMW 645
To start off, 2006 BMW 645 is newer by 2 year(s). Which means there will be less support and parts availability for 2004 Audi A8. In addition, the cost of maintenance, including insurance, on 2004 Audi A8 would be higher. At 4,398 cc (8 cylinders), 2006 BMW 645 is equipped with a bigger engine. In terms of performance, 2006 BMW 645 (328 HP @ 6100 RPM) has 108 more horse power than 2004 Audi A8. (220 HP @ 6300 RPM) In normal driving conditions, 2006 BMW 645 should accelerate faster than 2004 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A8 weights approximately 185 kg more than 2006 BMW 645.
Because 2006 BMW 645 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 645. However, in wet, icy, snow, or gravel driving conditions, 2004 Audi A8, 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 645 (450 Nm @ 3600 RPM) has 150 more torque (in Nm) than 2004 Audi A8. (300 Nm @ 8200 RPM). This means 2006 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A8.
Compare all specifications:
2004 Audi A8 | 2006 BMW 645 | |
Make | Audi | BMW |
Model | A8 | 645 |
Year Released | 2004 | 2006 |
Body Type | Sedan | Coupe |
Engine Position | Front | Front |
Engine Size | 2976 cc | 4398 cc |
Engine Cylinders | 6 cylinders | 8 cylinders |
Engine Type | V | V |
Valves per Cylinder | 5 valves | 4 valves |
Horse Power | 220 HP | 328 HP |
Engine RPM | 6300 RPM | 6100 RPM |
Torque | 300 Nm | 450 Nm |
Torque RPM | 8200 RPM | 3600 RPM |
Engine Bore Size | 82.5 mm | 92 mm |
Engine Stroke Size | 92.8 mm | 83 mm |
Fuel Type | Gasoline - Premium | Gasoline |
Top Speed | 242 km/hour | 250 km/hour |
Acceleration 0-100mph | 8.3 seconds | 5.6 seconds |
Drive Type | Front | Rear |
Transmission Type | Manual | Manual |
Number of Seats | 5 seats | 4 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Weight | 1995 kg | 1810 kg |
Vehicle Length | 5190 mm | 4830 mm |
Vehicle Width | 1900 mm | 1860 mm |
Vehicle Height | 1460 mm | 1380 mm |
Wheelbase Size | 3080 mm | 2790 mm |
Fuel Consumption Overall | 9.8 L/100km | 11.9 L/100km |
Fuel Tank Capacity | 90 L | 70 L |