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 (335 HP @ 5900 RPM) has 155 more horse power than 2004 Audi A6. (180 HP @ 6000 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 52 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 (450 Nm @ 1500 RPM) has 215 more torque (in Nm) than 2004 Audi A6. (235 Nm @ 3000 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 | 2496 cc | 3000 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 180 HP | 335 HP |
| Engine RPM | 6000 RPM | 5900 RPM |
| Torque | 235 Nm | 450 Nm |
| Torque RPM | 3000 RPM | 1500 RPM |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1662 kg | 1610 kg |
| Vehicle Length | 4940 mm | 4242 mm |
| Vehicle Width | 1860 mm | 1791 mm |
| Vehicle Height | 1470 mm | 1285 mm |
| Wheelbase Size | 2660 mm | 2497 mm |
| Fuel Consumption | 7.2 L/100km | 9.8 L/100km |
| Fuel Consumption City | 13.8 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 70 L | 55 L |
