2003 Audi A6 vs. 2011 BMW Z4
To start off, 2011 BMW Z4 is newer by 8 year(s). Which means there will be less support and parts availability for 2003 Audi A6. In addition, the cost of maintenance, including insurance, on 2003 Audi A6 would be higher. At 3,000 cc (6 cylinders), 2011 BMW Z4 is equipped with a bigger engine. In terms of performance, 2011 BMW Z4 (300 HP @ 5800 RPM) has 122 more horse power than 2003 Audi A6. (178 HP @ 3300 RPM) In normal driving conditions, 2011 BMW Z4 should accelerate faster than 2003 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2003 Audi A6 weights approximately 105 kg more than 2011 BMW Z4.
Because 2011 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 2011 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2003 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, 2011 BMW Z4 (406 Nm @ 1400 RPM) has 36 more torque (in Nm) than 2003 Audi A6. (370 Nm @ 1400 RPM). This means 2011 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2003 Audi A6.
Compare all specifications:
| 2003 Audi A6 | 2011 BMW Z4 | |
| Make | Audi | BMW |
| Model | A6 | Z4 |
| Year Released | 2003 | 2011 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2698 cc | 3000 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 178 HP | 300 HP |
| Engine RPM | 3300 RPM | 5800 RPM |
| Torque | 370 Nm | 406 Nm |
| Torque RPM | 1400 RPM | 1400 RPM |
| Fuel Type | Diesel | 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 | 1695 kg | 1590 kg |
| Vehicle Length | 4940 mm | 4239 mm |
| Vehicle Width | 1860 mm | 1791 mm |
| Vehicle Height | 1470 mm | 1290 mm |
| Wheelbase Size | 2850 mm | 2497 mm |
| Fuel Tank Capacity | 70 L | 55 L |
