2008 Audi A6 vs. 2006 BMW Z4
To start off, 2008 Audi A6 is newer by 2 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 3,246 cc (6 cylinders), 2006 BMW Z4 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (338 HP @ 7900 RPM) has 88 more horse power than 2008 Audi A6. (250 HP @ 6000 RPM) In normal driving conditions, 2006 BMW Z4 should accelerate faster than 2008 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW Z4 weights approximately 5 kg more than 2008 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 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 2006 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, 2006 BMW Z4 (365 Nm @ 4900 RPM) has 135 more torque (in Nm) than 2008 Audi A6. (230 Nm @ 3200 RPM). This means 2006 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A6.
Compare all specifications:
| 2008 Audi A6 | 2006 BMW Z4 | |
| Make | Audi | BMW |
| Model | A6 | Z4 |
| Year Released | 2008 | 2006 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2393 cc | 3246 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 250 HP | 338 HP |
| Engine RPM | 6000 RPM | 7900 RPM |
| Torque | 230 Nm | 365 Nm |
| Torque RPM | 3200 RPM | 4900 RPM |
| Engine Compression Ratio | 10.5:1 | 11.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 224 km/hour | 245 km/hour |
| Acceleration 0-100mph | 9.3 seconds | 5 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1480 kg | 1485 kg |
| Vehicle Length | 4180 mm | 4120 mm |
| Vehicle Width | 1820 mm | 1790 mm |
| Vehicle Height | 1370 mm | 1310 mm |
| Wheelbase Size | 2770 mm | 2500 mm |
| Fuel Consumption Overall | 9.1 L/100km | 12.1 L/100km |
| Fuel Tank Capacity | 70 L | 55 L |
