2002 BMW Z4 vs. 2005 Audi A6
To start off, 2005 Audi A6 is newer by 3 year(s). Which means there will be less support and parts availability for 2002 BMW Z4. In addition, the cost of maintenance, including insurance, on 2002 BMW Z4 would be higher. At 2,996 cc (6 cylinders), 2002 BMW Z4 is equipped with a bigger engine. In terms of performance, 2005 Audi A6 (250 HP @ 5800 RPM) has 23 more horse power than 2002 BMW Z4. (227 HP @ 5900 RPM) In normal driving conditions, 2005 Audi A6 should accelerate faster than 2002 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 344 kg more than 2002 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2002 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Audi A6 (350 Nm @ 1800 RPM) has 50 more torque (in Nm) than 2002 BMW Z4. (300 Nm @ 3500 RPM). This means 2005 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2002 BMW Z4.
Compare all specifications:
| 2002 BMW Z4 | 2005 Audi A6 | |
| Make | BMW | Audi |
| Model | Z4 | A6 |
| Year Released | 2002 | 2005 |
| Body Type | Convertible | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 2671 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 227 HP | 250 HP |
| Engine RPM | 5900 RPM | 5800 RPM |
| Torque | 300 Nm | 350 Nm |
| Torque RPM | 3500 RPM | 1800 RPM |
| Engine Compression Ratio | 10.2:1 | 9.0:1 |
| Top Speed | 244 km/hour | 241 km/hour |
| Acceleration 0-100mph | 6.2 seconds | 7 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1386 kg | 1730 kg |
| Vehicle Length | 4100 mm | 4800 mm |
| Vehicle Width | 1790 mm | 1820 mm |
| Vehicle Height | 1310 mm | 1460 mm |
| Wheelbase Size | 2500 mm | 2770 mm |
| Fuel Consumption Overall | 9.5 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 55 L | 70 L |
