2005 Audi A6 vs. 2002 BMW Z4
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 2,494 cc (6 cylinders), 2002 BMW Z4 is equipped with a bigger engine. In terms of performance, 2002 BMW Z4 (190 HP @ 6000 RPM) has 52 more horse power than 2005 Audi A6. (138 HP @ 4000 RPM) In normal driving conditions, 2002 BMW Z4 should accelerate faster than 2005 Audi A6.
Because 2002 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 2002 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Audi A6 (320 Nm @ 1750 RPM) has 75 more torque (in Nm) than 2002 BMW Z4. (245 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:
| 2005 Audi A6 | 2002 BMW Z4 | |
| Make | Audi | BMW |
| Model | A6 | Z4 |
| Year Released | 2005 | 2002 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 2494 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 138 HP | 190 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 320 Nm | 245 Nm |
| Torque RPM | 1750 RPM | 3500 RPM |
| Engine Bore Size | 81 mm | 84 mm |
| Engine Stroke Size | 95.5 mm | 75 mm |
| Engine Compression Ratio | 18.0:1 | 10.5:1 |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4920 mm | 4100 mm |
| Vehicle Width | 1860 mm | 1790 mm |
| Vehicle Height | 1460 mm | 1310 mm |
| Wheelbase Size | 2850 mm | 2580 mm |
| Fuel Tank Capacity | 70 L | 55 L |
