2007 BMW Z4 vs. 2002 Audi A6
To start off, 2007 BMW Z4 is newer by 5 year(s). Which means there will be less support and parts availability for 2002 Audi A6. In addition, the cost of maintenance, including insurance, on 2002 Audi A6 would be higher. At 2,996 cc (6 cylinders), 2007 BMW Z4 is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (335 HP @ 7900 RPM) has 88 more horse power than 2002 Audi A6. (247 HP @ 5800 RPM). In normal driving conditions, 2007 BMW Z4 should accelerate faster than 2002 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2002 Audi A6 weights approximately 440 kg more than 2007 BMW Z4.
Because 2002 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2002 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, 2002 Audi A6 (350 Nm @ 1800 RPM) has 35 more torque (in Nm) than 2007 BMW Z4. (315 Nm @ 2750 RPM). This means 2002 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW Z4.
Compare all specifications:
| 2007 BMW Z4 | 2002 Audi A6 | |
| Make | BMW | Audi |
| Model | Z4 | A6 |
| Year Released | 2007 | 2002 |
| 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 |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 335 HP | 247 HP |
| Engine RPM | 7900 RPM | 5800 RPM |
| Torque | 315 Nm | 350 Nm |
| Torque RPM | 2750 RPM | 1800 RPM |
| Engine Compression Ratio | 11.5:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| 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 | 1310 kg | 1750 kg |
| Vehicle Length | 4100 mm | 4800 mm |
| Vehicle Width | 1790 mm | 1820 mm |
| Vehicle Height | 1310 mm | 1460 mm |
| Wheelbase Size | 2500 mm | 2850 mm |
| Fuel Consumption Overall | 9.5 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 55 L | 70 L |
