2008 Audi A6 vs. 2007 BMW Z4
To start off, 2008 Audi A6 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 BMW Z4. In addition, the cost of maintenance, including insurance, on 2007 BMW Z4 would be higher. At 2,976 cc (6 cylinders), 2008 Audi A6 is equipped with a bigger engine. In terms of performance, 2008 Audi A6 (217 HP @ 6300 RPM) has 49 more horse power than 2007 BMW Z4. (168 HP @ 6250 RPM). In normal driving conditions, 2008 Audi A6 should accelerate faster than 2007 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A6 weights approximately 210 kg more than 2007 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW Z4 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2007 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2008 Audi A6, being front wheel drive (FWD), will offer much better control with better grip. 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 A6 (300 Nm @ 3200 RPM) has 90 more torque (in Nm) than 2007 BMW Z4. (210 Nm @ 3500 RPM). This means 2008 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW Z4.
Compare all specifications:
| 2008 Audi A6 | 2007 BMW Z4 | |
| Make | Audi | BMW |
| Model | A6 | Z4 |
| Year Released | 2008 | 2007 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2976 cc | 2171 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 217 HP | 168 HP |
| Engine RPM | 6300 RPM | 6250 RPM |
| Torque | 300 Nm | 210 Nm |
| Torque RPM | 3200 RPM | 3500 RPM |
| Engine Bore Size | 82.5 mm | 80 mm |
| Engine Stroke Size | 92.8 mm | 72 mm |
| Engine Compression Ratio | 11.0:1 | 10.8:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 241 km/hour | 225 km/hour |
| Acceleration 0-100mph | 7.7 seconds | 7.7 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1535 kg | 1325 kg |
| Vehicle Length | 4800 mm | 4100 mm |
| Vehicle Width | 1820 mm | 1790 mm |
| Vehicle Height | 1460 mm | 1310 mm |
| Wheelbase Size | 2770 mm | 2500 mm |
| Fuel Consumption Overall | 9.7 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 70 L | 55 L |
