2006 BMW Z4 vs. 2010 Audi RS6
To start off, 2010 Audi RS6 is newer by 4 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 4,991 cc (10 cylinders), 2010 Audi RS6 is equipped with a bigger engine. In terms of performance, 2010 Audi RS6 (572 HP @ 6250 RPM) has 383 more horse power than 2006 BMW Z4. (189 HP @ 6000 RPM) In normal driving conditions, 2010 Audi RS6 should accelerate faster than 2006 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2010 Audi RS6 weights approximately 693 kg more than 2006 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2010 Audi RS6 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, 2010 Audi RS6 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, 2010 Audi RS6 (650 Nm @ 1500 RPM) has 405 more torque (in Nm) than 2006 BMW Z4. (245 Nm @ 3500 RPM). This means 2010 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW Z4. 2010 Audi RS6 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. 2010 Audi RS6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 BMW Z4 | 2010 Audi RS6 | |
| Make | BMW | Audi |
| Model | Z4 | RS6 |
| Year Released | 2006 | 2010 |
| Body Type | Convertible | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 4991 cc |
| Engine Cylinders | 6 cylinders | 10 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 189 HP | 572 HP |
| Engine RPM | 6000 RPM | 6250 RPM |
| Torque | 245 Nm | 650 Nm |
| Torque RPM | 3500 RPM | 1500 RPM |
| Engine Bore Size | 84 mm | 84.5 mm |
| Engine Stroke Size | 75 mm | 89 mm |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 235 km/hour | 280 km/hour |
| Acceleration 0-100mph | 7 seconds | 4.6 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1335 kg | 2028 kg |
| Vehicle Length | 4100 mm | 4930 mm |
| Vehicle Width | 1790 mm | 1900 mm |
| Vehicle Height | 1310 mm | 1470 mm |
| Wheelbase Size | 2500 mm | 2850 mm |
| Fuel Consumption Overall | 9 L/100km | 14 L/100km |
| Fuel Tank Capacity | 55 L | 80 L |
