2009 Audi A8 vs. 2006 BMW Z4
To start off, 2009 Audi A8 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 BMW Z4. In addition, the cost of maintenance, including insurance, on 2006 BMW Z4 would be higher. At 3,123 cc (6 cylinders), 2009 Audi A8 is equipped with a bigger engine. In terms of performance, 2009 Audi A8 (256 HP) has 1 more horse power than 2006 BMW Z4. (255 HP). In normal driving conditions, 2009 Audi A8 should accelerate faster than 2006 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW Z4 weights approximately 675 kg more than 2009 Audi A8.
Because 2009 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Audi A8 (330 Nm @ 3250 RPM) has 32 more torque (in Nm) than 2006 BMW Z4. (298 Nm @ 2750 RPM). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW Z4.
Compare all specifications:
2009 Audi A8 | 2006 BMW Z4 | |
Make | Audi | BMW |
Model | A8 | Z4 |
Year Released | 2009 | 2006 |
Body Type | Sedan | Coupe |
Engine Position | Front | Front |
Engine Size | 3123 cc | 2999 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | V | in-line |
Valves per Cylinder | 5 valves | 4 valves |
Horse Power | 256 HP | 255 HP |
Torque | 330 Nm | 298 Nm |
Torque RPM | 3250 RPM | 2750 RPM |
Engine Compression Ratio | 13.0:1 | 10.7:1 |
Fuel Type | Gasoline - Premium | Gasoline - Premium |
Drive Type | 4WD | Rear |
Number of Seats | 5 seats | 2 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Weight | 1160 kg | 1835 kg |
Vehicle Length | 5060 mm | 4100 mm |
Vehicle Width | 1900 mm | 1790 mm |
Vehicle Height | 1450 mm | 1270 mm |
Wheelbase Size | 2950 mm | 2500 mm |
Fuel Consumption Overall | 11 L/100km | 9.8 L/100km |
Fuel Tank Capacity | 90 L | 55 L |