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, 2006 BMW 645 (328 HP @ 6100 RPM) has 81 more horse power than 2011 Audi A8. (247 HP @ 4000 RPM). In normal driving conditions, 2006 BMW 645 should accelerate faster than 2011 Audi A8.

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 (550 Nm @ 1500 RPM) has 100 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. 2011 Audi A8 has automatic transmission and 2006 BMW 645 has manual transmission. 2006 BMW 645 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2011 Audi A8 will be easier to drive especially in heavy traffic.

Compare all specifications:

2006 BMW 645 2011 Audi A8
Make BMW Audi
Model 645 A8
Year Released 2006 2011
Body Type Convertible Sedan
Engine Position Front Front
Engine Size 4398 cc 2967 cc
Engine Cylinders 8 cylinders 6 cylinders
Engine Type V V
Valves per Cylinder 2 valves 4 valves
Horse Power 328 HP 247 HP
Engine RPM 6100 RPM 4000 RPM
Torque 450 Nm 550 Nm
Torque RPM 3600 RPM 1500 RPM
Fuel Type Gasoline Diesel
Top Speed 250 km/hour 243 km/hour
Acceleration 0-100mph 6.1 seconds 6.1 seconds
Drive Type Rear AWD
Transmission Type Manual 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


 

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