2009 Audi A6 vs. 2012 BMW Z4
To start off, 2012 BMW Z4 is newer by 3 year(s). Which means there will be less support and parts availability for 2009 Audi A6. In addition, the cost of maintenance, including insurance, on 2009 Audi A6 would be higher. At 3,000 cc (6 cylinders), 2012 BMW Z4 is equipped with a bigger engine. In terms of performance, 2012 BMW Z4 (255 HP @ 6600 RPM) has 8 more horse power than 2009 Audi A6. (247 HP @ 5800 RPM) In normal driving conditions, 2012 BMW Z4 should accelerate faster than 2009 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A6 weights approximately 245 kg more than 2012 BMW Z4.
Because 2009 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2012 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Audi A6 (351 Nm @ 1800 RPM) has 53 more torque (in Nm) than 2012 BMW Z4. (298 Nm @ 2600 RPM). This means 2009 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2012 BMW Z4.
Compare all specifications:
| 2009 Audi A6 | 2012 BMW Z4 | |
| Make | Audi | BMW |
| Model | A6 | Z4 |
| Year Released | 2009 | 2012 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 3000 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 247 HP | 255 HP |
| Engine RPM | 5800 RPM | 6600 RPM |
| Torque | 351 Nm | 298 Nm |
| Torque RPM | 1800 RPM | 2600 RPM |
| Fuel Type | Gasoline - Premium | 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 | 1720 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 |
