2004 Audi A6 vs. 2007 BMW Z4
To start off, 2007 BMW Z4 is newer by 3 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 2,979 cc (6 cylinders), 2007 BMW Z4 is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (335 HP @ 7900 RPM) has 88 more horse power than 2004 Audi A6. (247 HP @ 6300 RPM) In normal driving conditions, 2007 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 515 kg more than 2007 BMW Z4.
Because 2004 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2004 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, 2004 Audi A6 (340 Nm @ 1800 RPM) has 25 more torque (in Nm) than 2007 BMW Z4. (315 Nm @ 2750 RPM). This means 2004 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW Z4.
Compare all specifications:
2004 Audi A6 | 2007 BMW Z4 | |
Make | Audi | BMW |
Model | A6 | Z4 |
Year Released | 2004 | 2007 |
Body Type | Station Wagon | Convertible |
Engine Position | Front | Front |
Engine Size | 2671 cc | 2979 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | V | in-line |
Valves per Cylinder | 5 valves | 4 valves |
Horse Power | 247 HP | 335 HP |
Engine RPM | 6300 RPM | 7900 RPM |
Torque | 340 Nm | 315 Nm |
Torque RPM | 1800 RPM | 2750 RPM |
Engine Bore Size | 81 mm | 87 mm |
Engine Stroke Size | 86 mm | 91 mm |
Fuel Type | Gasoline | Gasoline |
Drive Type | 4WD | Rear |
Transmission Type | Manual | Manual |
Number of Seats | 5 seats | 2 seats |
Number of Doors | 5 doors | 2 doors |
Vehicle Weight | 1805 kg | 1290 kg |
Vehicle Length | 4800 mm | 4100 mm |
Vehicle Width | 1860 mm | 1790 mm |
Vehicle Height | 1560 mm | 1310 mm |
Wheelbase Size | 2770 mm | 2500 mm |
Fuel Tank Capacity | 70 L | 55 L |