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 88 more horse power than 2006 BMW Z4. (168 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 165 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 120 more torque (in Nm) than 2006 BMW Z4. (210 Nm @ 3500 RPM). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW Z4. 2009 Audi A8 has automatic transmission and 2006 BMW Z4 has manual transmission. 2006 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
2009 Audi A8 | 2006 BMW Z4 | |
Make | Audi | BMW |
Model | A8 | Z4 |
Year Released | 2009 | 2006 |
Body Type | Sedan | Convertible |
Engine Position | Front | Front |
Engine Size | 3123 cc | 2170 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | V | in-line |
Valves per Cylinder | 5 valves | 4 valves |
Horse Power | 256 HP | 168 HP |
Torque | 330 Nm | 210 Nm |
Torque RPM | 3250 RPM | 3500 RPM |
Engine Compression Ratio | 13.0:1 | 10.8:1 |
Fuel Type | Gasoline - Premium | Gasoline - Premium |
Top Speed | 245 km/hour | 225 km/hour |
Acceleration 0-100mph | 7.7 seconds | 7.7 seconds |
Drive Type | 4WD | Rear |
Transmission Type | Automatic | Manual |
Number of Seats | 5 seats | 2 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Weight | 1160 kg | 1325 kg |
Vehicle Length | 5060 mm | 4100 mm |
Vehicle Width | 1900 mm | 1790 mm |
Vehicle Height | 1450 mm | 1310 mm |
Wheelbase Size | 2950 mm | 2500 mm |
Fuel Consumption Overall | 11 L/100km | 8.9 L/100km |
Fuel Tank Capacity | 90 L | 55 L |