2005 Audi A8 vs. 2004 BMW Z4
To start off, 2005 Audi A8 is newer by 1 year(s). Which means there will be less support and parts availability for 2004 BMW Z4. In addition, the cost of maintenance, including insurance, on 2004 BMW Z4 would be higher. At 5,998 cc, 2005 Audi A8 is equipped with a bigger engine. In terms of performance, 2005 Audi A8 (444 HP @ 6500 RPM) has 276 more horse power than 2004 BMW Z4. (168 HP @ 6250 RPM). In normal driving conditions, 2005 Audi A8 should accelerate faster than 2004 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW Z4 weights approximately 425 kg more than 2005 Audi A8.
Because 2005 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2004 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Audi A8 (560 Nm @ 4000 RPM) has 350 more torque (in Nm) than 2004 BMW Z4. (210 Nm @ 3500 RPM). This means 2005 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW Z4. 2005 Audi A8 has automatic transmission and 2004 BMW Z4 has manual transmission. 2004 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
2005 Audi A8 | 2004 BMW Z4 | |
Make | Audi | BMW |
Model | A8 | Z4 |
Year Released | 2005 | 2004 |
Body Type | Sedan | Convertible |
Engine Position | Front | Front |
Engine Size | 5998 cc | 2171 cc |
Engine Type | W | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 444 HP | 168 HP |
Engine RPM | 6500 RPM | 6250 RPM |
Torque | 560 Nm | 210 Nm |
Torque RPM | 4000 RPM | 3500 RPM |
Engine Compression Ratio | 11.0:1 | 10.8:1 |
Fuel Type | Gasoline - Premium | Gasoline - Premium |
Top Speed | 245 km/hour | 220 km/hour |
Acceleration 0-100mph | 5.2 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 | 900 kg | 1325 kg |
Vehicle Length | 5190 mm | 4100 mm |
Vehicle Width | 1900 mm | 1790 mm |
Vehicle Height | 1460 mm | 1310 mm |
Wheelbase Size | 3080 mm | 2500 mm |
Fuel Consumption Overall | 13.8 L/100km | 8.9 L/100km |
Fuel Tank Capacity | 90 L | 55 L |