2009 Audi A6 vs. 2009 BMW Z4
To start off, both 2009 Audi A6 and 2009 BMW Z4 were released in the same year (2009). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 3,123 cc (6 cylinders), 2009 Audi A6 is equipped with a bigger engine. In terms of performance, 2009 BMW Z4 (261 HP @ 6600 RPM) has 9 more horse power than 2009 Audi A6. (252 HP @ 6500 RPM) In normal driving conditions, 2009 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 145 kg more than 2009 BMW Z4.
Because 2009 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 2009 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Audi A6 (331 Nm @ 3250 RPM) has 16 more torque (in Nm) than 2009 BMW Z4. (315 Nm @ 2750 RPM). This means 2009 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW Z4. 2009 Audi A6 has automatic transmission and 2009 BMW Z4 has manual transmission. 2009 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 | 2009 BMW Z4 | |
| Make | Audi | BMW |
| Model | A6 | Z4 |
| Year Released | 2009 | 2009 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 2996 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 252 HP | 261 HP |
| Engine RPM | 6500 RPM | 6600 RPM |
| Torque | 331 Nm | 315 Nm |
| Torque RPM | 3250 RPM | 2750 RPM |
| Engine Bore Size | 84.5 mm | 85.1 mm |
| Engine Stroke Size | 92.8 mm | 88 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Acceleration 0-100mph | 6.9 seconds | 5.7 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1540 kg | 1395 kg |
| Vehicle Length | 4920 mm | 4100 mm |
| Vehicle Width | 2020 mm | 1790 mm |
| Vehicle Height | 1470 mm | 1270 mm |
| Wheelbase Size | 2850 mm | 2500 mm |
| Fuel Consumption Overall | 9.7 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 70 L | 55 L |
