2006 BMW 645 vs. 2011 Audi A8
To start off, 2011 Audi A8 is newer by 5 year(s). Which means there will be less support and parts availability for 2006 BMW 645. In addition, the cost of maintenance, including insurance, on 2006 BMW 645 would be higher. At 4,398 cc (8 cylinders), 2006 BMW 645 is equipped with a bigger engine. In terms of performance, 2011 Audi A8 (345 HP @ 4000 RPM) has 17 more horse power than 2006 BMW 645. (328 HP @ 6100 RPM) In normal driving conditions, 2011 Audi A8 should accelerate faster than 2006 BMW 645.
Because 2011 Audi A8 is all wheel drive (AWD), it will have significant more traction and grip than 2006 BMW 645. In wet, icy, snow, or gravel driving conditions, 2011 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, 2011 Audi A8 (800 Nm @ 1750 RPM) has 350 more torque (in Nm) than 2006 BMW 645. (450 Nm @ 3600 RPM). This means 2011 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 645.
Compare all specifications:
2006 BMW 645 | 2011 Audi A8 | |
Make | BMW | Audi |
Model | 645 | A8 |
Year Released | 2006 | 2011 |
Body Type | Coupe | Sedan |
Engine Position | Front | Front |
Engine Size | 4398 cc | 4134 cc |
Engine Cylinders | 8 cylinders | 8 cylinders |
Engine Type | V | V |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 328 HP | 345 HP |
Engine RPM | 6100 RPM | 4000 RPM |
Torque | 450 Nm | 800 Nm |
Torque RPM | 3600 RPM | 1750 RPM |
Fuel Type | Gasoline | Diesel |
Top Speed | 250 km/hour | 250 km/hour |
Acceleration 0-100mph | 5.6 seconds | 5.5 seconds |
Drive Type | Rear | AWD |
Transmission Type | Automatic | 8-speed shiftable automatic |
Number of Seats | 4 seats | 5 seats |
Number of Doors | 2 doors | 4 doors |
Vehicle Length | 4830 mm | 5136 mm |
Vehicle Width | 1860 mm | 1948 mm |
Vehicle Height | 1380 mm | 1461 mm |
Wheelbase Size | 2790 mm | 2992 mm |
Fuel Tank Capacity | 70 L | 90 L |