2006 Audi A8 vs. 2008 BMW 645
To start off, 2008 BMW 645 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Audi A8. In addition, the cost of maintenance, including insurance, on 2006 Audi A8 would be higher. At 5,998 cc, 2006 Audi A8 is equipped with a bigger engine. In terms of performance, 2006 Audi A8 (445 HP @ 6200 RPM) has 117 more horse power than 2008 BMW 645. (328 HP @ 6100 RPM). In normal driving conditions, 2006 Audi A8 should accelerate faster than 2008 BMW 645. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A8 weights approximately 180 kg more than 2008 BMW 645. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2008 BMW 645. In wet, icy, snow, or gravel driving conditions, 2006 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, 2006 Audi A8 (580 Nm @ 4000 RPM) has 130 more torque (in Nm) than 2008 BMW 645. (450 Nm @ 3600 RPM). This means 2006 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW 645. 2006 Audi A8 has automatic transmission and 2008 BMW 645 has manual transmission. 2008 BMW 645 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
2006 Audi A8 | 2008 BMW 645 | |
Make | Audi | BMW |
Model | A8 | 645 |
Year Released | 2006 | 2008 |
Body Type | Sedan | Convertible |
Engine Position | Front | Front |
Engine Size | 5998 cc | 4398 cc |
Engine Type | W | V |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 445 HP | 328 HP |
Engine RPM | 6200 RPM | 6100 RPM |
Torque | 580 Nm | 450 Nm |
Torque RPM | 4000 RPM | 3600 RPM |
Engine Bore Size | 84 mm | 92 mm |
Engine Stroke Size | 90.2 mm | 82.7 mm |
Engine Compression Ratio | 11.0:1 | 10.0:1 |
Fuel Type | Gasoline - Premium | Gasoline - Premium |
Top Speed | 250 km/hour | 250 km/hour |
Acceleration 0-100mph | 5.1 seconds | 6.4 seconds |
Drive Type | 4WD | Rear |
Transmission Type | Automatic | Manual |
Number of Seats | 5 seats | 4 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Weight | 1995 kg | 1815 kg |
Vehicle Length | 5070 mm | 4830 mm |
Vehicle Width | 1900 mm | 1860 mm |
Vehicle Height | 1450 mm | 1380 mm |
Wheelbase Size | 3080 mm | 2790 mm |
Fuel Consumption Overall | 13.8 L/100km | 12.8 L/100km |
Fuel Tank Capacity | 90 L | 70 L |