2009 Audi A4 vs. 2007 BMW Z4
To start off, 2009 Audi A4 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 BMW Z4. In addition, the cost of maintenance, including insurance, on 2007 BMW Z4 would be higher. At 1,993 cc (4 cylinders), 2007 BMW Z4 is equipped with a bigger engine. In terms of performance, both vehicles can yield 148 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 55 kg more than 2007 BMW Z4.
Because 2007 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 2007 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2009 Audi A4, 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, both vehicles can yield 200 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2009 Audi A4 | 2007 BMW Z4 | |
| Make | Audi | BMW |
| Model | A4 | Z4 |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 1993 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 148 HP |
| Engine RPM | 6000 RPM | 6200 RPM |
| Torque | 200 Nm | 200 Nm |
| Torque RPM | 3500 RPM | 3600 RPM |
| Engine Compression Ratio | 11.5:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 213 km/hour | 220 km/hour |
| Acceleration 0-100mph | 9.6 seconds | 8.2 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1350 kg | 1295 kg |
| Vehicle Length | 4550 mm | 4100 mm |
| Vehicle Width | 1780 mm | 1310 mm |
| Vehicle Height | 1430 mm | 1790 mm |
| Wheelbase Size | 2660 mm | 2500 mm |
| Fuel Consumption Overall | 7.1 L/100km | 7.5 L/100km |
| Fuel Tank Capacity | 70 L | 55 L |
