2009 BMW Z4 vs. 2007 Subaru Impreza
To start off, 2009 BMW Z4 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Subaru Impreza. In addition, the cost of maintenance, including insurance, on 2007 Subaru Impreza would be higher. At 3,246 cc (6 cylinders), 2009 BMW Z4 is equipped with a bigger engine. In terms of performance, 2009 BMW Z4 (338 HP @ 7900 RPM) has 22 more horse power than 2007 Subaru Impreza. (316 HP @ 6000 RPM). In normal driving conditions, 2009 BMW Z4 should accelerate faster than 2007 Subaru Impreza. With that said, vehicle weight also plays an important factor in acceleration. 2007 Subaru Impreza weights approximately 10 kg more than 2009 BMW Z4.
Because 2007 Subaru Impreza is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2007 Subaru Impreza 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, 2007 Subaru Impreza (450 Nm @ 3700 RPM) has 85 more torque (in Nm) than 2009 BMW Z4. (365 Nm @ 4900 RPM). This means 2007 Subaru Impreza will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW Z4.
Compare all specifications:
| 2009 BMW Z4 | 2007 Subaru Impreza | |
| Make | BMW | Subaru |
| Model | Z4 | Impreza |
| Year Released | 2009 | 2007 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3246 cc | 2455 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 338 HP | 316 HP |
| Engine RPM | 7900 RPM | 6000 RPM |
| Torque | 365 Nm | 450 Nm |
| Torque RPM | 4900 RPM | 3700 RPM |
| Engine Compression Ratio | 11.5:1 | 8.2:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 250 km/hour | 255 km/hour |
| Acceleration 0-100mph | 5 seconds | 5.4 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1485 kg | 1495 kg |
| Vehicle Length | 4120 mm | 4470 mm |
| Vehicle Width | 1310 mm | 1750 mm |
| Vehicle Height | 1790 mm | 1450 mm |
| Wheelbase Size | 2500 mm | 2550 mm |
| Fuel Consumption Overall | 12.3 L/100km | 11.6 L/100km |
| Fuel Tank Capacity | 70 L | 60 L |
