2004 Audi A6 vs. 2011 BMW Z4
To start off, 2011 BMW Z4 is newer by 7 year(s). Which means there will be less support and parts availability for 2004 Audi A6. In addition, the cost of maintenance, including insurance, on 2004 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 (255 HP @ 6600 RPM) has 127 more horse power than 2004 Audi A6. (128 HP @ 4000 RPM) In normal driving conditions, 2011 BMW Z4 should accelerate faster than 2004 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A6 weights approximately 60 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, 2004 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 (298 Nm @ 2600 RPM) has 13 more torque (in Nm) than 2004 Audi A6. (285 Nm @ 1750 RPM). This means 2011 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A6.
Compare all specifications:
| 2004 Audi A6 | 2011 BMW Z4 | |
| Make | Audi | BMW |
| Model | A6 | Z4 |
| Year Released | 2004 | 2011 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1896 cc | 3000 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 128 HP | 255 HP |
| Engine RPM | 4000 RPM | 6600 RPM |
| Torque | 285 Nm | 298 Nm |
| Torque RPM | 1750 RPM | 2600 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 | 1535 kg | 1475 kg |
| Vehicle Length | 4800 mm | 4239 mm |
| Vehicle Width | 1820 mm | 1791 mm |
| Vehicle Height | 1460 mm | 1290 mm |
| Wheelbase Size | 2770 mm | 2497 mm |
| Fuel Tank Capacity | 70 L | 55 L |
