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, 2009 Audi A6 (300 HP @ 5100 RPM) has 45 more horse power than 2012 BMW Z4. (255 HP @ 6600 RPM). In normal driving conditions, 2009 Audi A6 should accelerate faster than 2012 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2012 BMW Z4 weights approximately 580 kg more than 2009 Audi A6.
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 (420 Nm @ 2500 RPM) has 122 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. 2009 Audi A6 has automatic transmission and 2012 BMW Z4 has manual transmission. 2012 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi A6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A6 | 2012 BMW Z4 | |
| Make | Audi | BMW |
| Model | A6 | Z4 |
| Year Released | 2009 | 2012 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2995 cc | 3000 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 300 HP | 255 HP |
| Engine RPM | 5100 RPM | 6600 RPM |
| Torque | 420 Nm | 298 Nm |
| Torque RPM | 2500 RPM | 2600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 895 kg | 1475 kg |
| Vehicle Length | 4930 mm | 4239 mm |
| Vehicle Width | 2040 mm | 1791 mm |
| Vehicle Height | 1460 mm | 1290 mm |
| Wheelbase Size | 2850 mm | 2497 mm |
| Fuel Consumption Highway | 9.1 L/100km | 8.4 L/100km |
| Fuel Consumption City | 13.1 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 80 L | 55 L |
