2003 Audi A6 vs. 2006 BMW Z4
To start off, 2006 BMW Z4 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Audi A6. In addition, the cost of maintenance, including insurance, on 2003 Audi A6 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 112 more horse power than 2003 Audi A6. (226 HP @ 5800 RPM) In normal driving conditions, 2006 BMW Z4 should accelerate faster than 2003 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2003 Audi A6 weights approximately 177 kg more than 2006 BMW Z4.
Because 2003 Audi A6 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, 2003 Audi A6 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, 2006 BMW Z4 (365 Nm @ 4900 RPM) has 55 more torque (in Nm) than 2003 Audi A6. (310 Nm @ 1700 RPM). This means 2006 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2003 Audi A6.
Compare all specifications:
| 2003 Audi A6 | 2006 BMW Z4 | |
| Make | Audi | BMW |
| Model | A6 | Z4 |
| Year Released | 2003 | 2006 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 3246 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 226 HP | 338 HP |
| Engine RPM | 5800 RPM | 7900 RPM |
| Torque | 310 Nm | 365 Nm |
| Torque RPM | 1700 RPM | 4900 RPM |
| Engine Compression Ratio | 9.3:1 | 11.5:1 |
| Top Speed | 245 km/hour | 245 km/hour |
| Acceleration 0-100mph | 7.3 seconds | 5 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1662 kg | 1485 kg |
| Vehicle Length | 4800 mm | 4120 mm |
| Vehicle Width | 1820 mm | 1790 mm |
| Vehicle Height | 1460 mm | 1310 mm |
| Wheelbase Size | 2770 mm | 2500 mm |
| Fuel Consumption Overall | 11.6 L/100km | 12.1 L/100km |
| Fuel Tank Capacity | 70 L | 55 L |
