2006 Audi A6 vs. 2003 BMW Z4
To start off, 2006 Audi A6 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 BMW Z4. In addition, the cost of maintenance, including insurance, on 2003 BMW Z4 would be higher. At 2,999 cc (6 cylinders), 2003 BMW Z4 is equipped with a bigger engine. In terms of performance, 2003 BMW Z4 (227 HP) has 59 more horse power than 2006 Audi A6. (168 HP) In normal driving conditions, 2003 BMW Z4 should accelerate faster than 2006 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW Z4 weights approximately 15 kg more than 2006 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 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 2003 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2006 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, 2003 BMW Z4 (291 Nm @ 3500 RPM) has 11 more torque (in Nm) than 2006 Audi A6. (280 Nm @ 1800 RPM). This means 2003 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A6.
Compare all specifications:
| 2006 Audi A6 | 2003 BMW Z4 | |
| Make | Audi | BMW |
| Model | A6 | Z4 |
| Year Released | 2006 | 2003 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 2999 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 168 HP | 227 HP |
| Torque | 280 Nm | 291 Nm |
| Torque RPM | 1800 RPM | 3500 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1275 kg | 1290 kg |
| Vehicle Length | 4800 mm | 4100 mm |
| Vehicle Width | 1820 mm | 1790 mm |
| Vehicle Height | 1460 mm | 1310 mm |
| Wheelbase Size | 2770 mm | 2500 mm |
| Fuel Tank Capacity | 70 L | 55 L |
