2007 Audi A8 vs. 2007 BMW 645
To start off, both 2007 Audi A8 and 2007 BMW 645 were released in the same year (2007). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 5,997 cc, 2007 Audi A8 is equipped with a bigger engine. In terms of performance, 2007 Audi A8 (444 HP @ 6200 RPM) has 116 more horse power than 2007 BMW 645. (328 HP @ 6100 RPM). In normal driving conditions, 2007 Audi A8 should accelerate faster than 2007 BMW 645. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A8 weights approximately 180 kg more than 2007 BMW 645. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW 645. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Audi A8 (580 Nm @ 4000 RPM) has 130 more torque (in Nm) than 2007 BMW 645. (450 Nm @ 3600 RPM). This means 2007 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 645.
Compare all specifications:
2007 Audi A8 | 2007 BMW 645 | |
Make | Audi | BMW |
Model | A8 | 645 |
Year Released | 2007 | 2007 |
Body Type | Sedan | Convertible |
Engine Position | Front | Front |
Engine Size | 5997 cc | 4398 cc |
Engine Type | W | V |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 444 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 | 5.2 seconds | 6.1 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 | 1995 kg | 1815 kg |
Vehicle Length | 5070 mm | 4830 mm |
Vehicle Width | 1900 mm | 1860 mm |
Vehicle Height | 1460 mm | 1380 mm |
Wheelbase Size | 3080 mm | 2790 mm |
Fuel Consumption Overall | 13.8 L/100km | 13 L/100km |
Fuel Tank Capacity | 90 L | 70 L |