2008 Audi A8 vs. 2009 BMW Z4
To start off, 2009 BMW Z4 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Audi A8. In addition, the cost of maintenance, including insurance, on 2008 Audi A8 would be higher. At 4,171 cc (8 cylinders), 2008 Audi A8 is equipped with a bigger engine. In terms of performance, 2008 Audi A8 (330 HP @ 6500 RPM) has 69 more horse power than 2009 BMW Z4. (261 HP @ 6600 RPM). In normal driving conditions, 2008 Audi A8 should accelerate faster than 2009 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A8 weights approximately 460 kg more than 2009 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Audi A8 (430 Nm @ 3500 RPM) has 115 more torque (in Nm) than 2009 BMW Z4. (315 Nm @ 2750 RPM). This means 2008 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW Z4.
Compare all specifications:
2008 Audi A8 | 2009 BMW Z4 | |
Make | Audi | BMW |
Model | A8 | Z4 |
Year Released | 2008 | 2009 |
Body Type | Sedan | Coupe |
Engine Position | Front | Front |
Engine Size | 4171 cc | 2996 cc |
Engine Cylinders | 8 cylinders | 6 cylinders |
Engine Type | V | in-line |
Valves per Cylinder | 5 valves | 4 valves |
Horse Power | 330 HP | 261 HP |
Engine RPM | 6500 RPM | 6600 RPM |
Torque | 430 Nm | 315 Nm |
Torque RPM | 3500 RPM | 2750 RPM |
Engine Bore Size | 84.5 mm | 85.1 mm |
Engine Stroke Size | 93 mm | 88 mm |
Engine Compression Ratio | 11.0:1 | 10.7:1 |
Fuel Type | Gasoline - Premium | Gasoline - Premium |
Acceleration 0-100mph | 6.3 seconds | 5.7 seconds |
Drive Type | 4WD | Rear |
Transmission Type | Automatic | Automatic |
Number of Seats | 5 seats | 2 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Weight | 1855 kg | 1395 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 | 11.9 L/100km | 8.9 L/100km |
Fuel Tank Capacity | 90 L | 55 L |