2009 Audi A5 vs. 2006 BMW Z4
To start off, 2009 Audi A5 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 BMW Z4. In addition, the cost of maintenance, including insurance, on 2006 BMW Z4 would be higher. At 3,246 cc (6 cylinders), 2006 BMW Z4 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (343 HP @ 7900 RPM) has 106 more horse power than 2009 Audi A5. (237 HP @ 4000 RPM) In normal driving conditions, 2006 BMW Z4 should accelerate faster than 2009 Audi A5. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A5 weights approximately 278 kg more than 2006 BMW Z4.
Because 2009 Audi A5 is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2009 Audi A5 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 A5 (500 Nm @ 1500 RPM) has 5 more torque (in Nm) than 2006 BMW Z4. (495 Nm @ 4900 RPM). This means 2009 Audi A5 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW Z4.
Compare all specifications:
| 2009 Audi A5 | 2006 BMW Z4 | |
| Make | Audi | BMW |
| Model | A5 | Z4 |
| Year Released | 2009 | 2006 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2965 cc | 3246 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 237 HP | 343 HP |
| Engine RPM | 4000 RPM | 7900 RPM |
| Torque | 500 Nm | 495 Nm |
| Torque RPM | 1500 RPM | 4900 RPM |
| Engine Compression Ratio | 16.8:1 | 11.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 250 km/hour | 249 km/hour |
| Acceleration 0-100mph | 5.9 seconds | 5 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1610 kg | 1332 kg |
| Vehicle Length | 4630 mm | 4100 mm |
| Vehicle Width | 1860 mm | 1790 mm |
| Vehicle Height | 1380 mm | 1300 mm |
| Wheelbase Size | 2760 mm | 2500 mm |
| Fuel Consumption Overall | 6.6 L/100km | 11.4 L/100km |
| Fuel Tank Capacity | 64 L | 60 L |
