2005 Audi A6 vs. 2004 BMW Z4
To start off, 2005 Audi A6 is newer by 1 year(s). Which means there will be less support and parts availability for 2004 BMW Z4. In addition, the cost of maintenance, including insurance, on 2004 BMW Z4 would be higher. At 2,496 cc, 2005 Audi A6 is equipped with a bigger engine. In terms of performance, 2004 BMW Z4 (185 HP @ 6000 RPM) has 8 more horse power than 2005 Audi A6. (177 HP @ 4000 RPM) In normal driving conditions, 2004 BMW Z4 should accelerate faster than 2005 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 659 kg more than 2004 BMW Z4.
Because 2005 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2004 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2005 Audi A6 will offer significantly more control. 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, 2005 Audi A6 (370 Nm) has 125 more torque (in Nm) than 2004 BMW Z4. (245 Nm). This means 2005 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW Z4. 2005 Audi A6 has automatic transmission and 2004 BMW Z4 has manual transmission. 2004 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Audi A6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi A6 | 2004 BMW Z4 | |
| Make | Audi | BMW |
| Model | A6 | Z4 |
| Year Released | 2005 | 2004 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 2494 cc |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 177 HP | 185 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 370 Nm | 245 Nm |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 205 km/hour | 235 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1955 kg | 1296 kg |
| Vehicle Length | 4820 mm | 4100 mm |
| Vehicle Width | 1860 mm | 1790 mm |
| Vehicle Height | 1560 mm | 1300 mm |
| Wheelbase Size | 2770 mm | 2500 mm |
| Fuel Tank Capacity | 70 L | 55 L |
