2009 Audi A6 vs. 2002 BMW Z4
To start off, 2009 Audi A6 is newer by 7 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 2,773 cc, 2009 Audi A6 is equipped with a bigger engine. In terms of performance, 2009 Audi A6 (206 HP @ 5500 RPM) has 13 more horse power than 2002 BMW Z4. (193 HP @ 6000 RPM). In normal driving conditions, 2009 Audi A6 should accelerate faster than 2002 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A6 weights approximately 205 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 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, 2009 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, 2009 Audi A6 (280 Nm @ 3000 RPM) has 35 more torque (in Nm) than 2002 BMW Z4. (245 Nm @ 3500 RPM). This means 2009 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2002 BMW Z4.
Compare all specifications:
| 2009 Audi A6 | 2002 BMW Z4 | |
| Make | Audi | BMW |
| Model | A6 | Z4 |
| Year Released | 2009 | 2002 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2773 cc | 2494 cc |
| Horse Power | 206 HP | 193 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 280 Nm | 245 Nm |
| Torque RPM | 3000 RPM | 3500 RPM |
| Engine Bore Size | 84.5 mm | 84 mm |
| Engine Stroke Size | 82.4 mm | 75 mm |
| Engine Compression Ratio | 12.0:1 | 10.5:1 |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1570 kg | 1365 kg |
| Vehicle Length | 4920 mm | 4100 mm |
| Vehicle Width | 1470 mm | 1790 mm |
| Vehicle Height | 1860 mm | 1310 mm |
| Wheelbase Size | 2850 mm | 2450 mm |
| Fuel Consumption Overall | 6.8 L/100km | 9.5 L/100km |
| Fuel Tank Capacity | 70 L | 55 L |
