2005 Audi A8 vs. 2006 BMW 645
To start off, 2006 BMW 645 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Audi A8. In addition, the cost of maintenance, including insurance, on 2005 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 98 more horse power than 2005 Audi A8. (230 HP @ 4000 RPM) In normal driving conditions, 2006 BMW 645 should accelerate faster than 2005 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A8 weights approximately 20 kg more than 2006 BMW 645.
Because 2005 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW 645. In wet, icy, snow, or gravel driving conditions, 2005 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, both vehicles can yield 450 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
2005 Audi A8 | 2006 BMW 645 | |
Make | Audi | BMW |
Model | A8 | 645 |
Year Released | 2005 | 2006 |
Body Type | Sedan | Coupe |
Engine Position | Front | Front |
Engine Size | 2966 cc | 4398 cc |
Engine Cylinders | 6 cylinders | 8 cylinders |
Engine Type | V | V |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 230 HP | 328 HP |
Engine RPM | 4000 RPM | 6100 RPM |
Torque | 450 Nm | 450 Nm |
Torque RPM | 1400 RPM | 3600 RPM |
Engine Compression Ratio | 17.0:1 | 10.0:1 |
Fuel Type | Diesel | Gasoline |
Top Speed | 243 km/hour | 250 km/hour |
Acceleration 0-100mph | 7.8 seconds | 5.6 seconds |
Drive Type | 4WD | Rear |
Transmission Type | Automatic | Automatic |
Number of Seats | 5 seats | 4 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Weight | 1830 kg | 1810 kg |
Vehicle Length | 5060 mm | 4830 mm |
Vehicle Width | 1900 mm | 1860 mm |
Vehicle Height | 1450 mm | 1380 mm |
Wheelbase Size | 2950 mm | 2790 mm |
Fuel Consumption Overall | 8.4 L/100km | 13.3 L/100km |
Fuel Tank Capacity | 90 L | 70 L |