2008 Audi A6 vs. 2005 BMW 645
To start off, 2008 Audi A6 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 BMW 645. In addition, the cost of maintenance, including insurance, on 2005 BMW 645 would be higher. At 4,390 cc (8 cylinders), 2005 BMW 645 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 645 weights approximately 180 kg more than 2008 Audi A6.
Because 2005 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 2005 BMW 645. However, in wet, icy, snow, or gravel driving conditions, 2008 Audi A6, 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, 2005 BMW 645 (439 Nm @ 3600 RPM) has 138 more torque (in Nm) than 2008 Audi A6. (301 Nm @ 3200 RPM). This means 2005 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A6.
Compare all specifications:
2008 Audi A6 | 2005 BMW 645 | |
Make | Audi | BMW |
Model | A6 | 645 |
Year Released | 2008 | 2005 |
Body Type | Sedan | Coupe |
Engine Position | Front | Front |
Engine Size | 2976 cc | 4390 cc |
Valves per Cylinder | 5 valves | 4 valves |
Horse Power | 0 HP | 338 HP |
Torque | 301 Nm | 439 Nm |
Torque RPM | 3200 RPM | 3600 RPM |
Engine Bore Size | 82.5 mm | 92 mm |
Engine Stroke Size | 92.8 mm | 83 mm |
Fuel Type | Gasoline | Gasoline - Premium |
Top Speed | 241 km/hour | 250 km/hour |
Acceleration 0-100mph | 7.7 seconds | 5.6 seconds |
Drive Type | Front | Rear |
Transmission Type | Automatic | Automatic |
Number of Seats | 5 seats | 4 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Weight | 1535 kg | 1715 kg |
Vehicle Length | 4180 mm | 4830 mm |
Vehicle Height | 1370 mm | 1380 mm |
Wheelbase Size | 2770 mm | 2790 mm |
Fuel Consumption Overall | 9.7 L/100km | 11.8 L/100km |
Fuel Tank Capacity | 70 L | 70 L |