2006 BMW Z4 vs. 2007 Subaru Impreza
To start off, 2007 Subaru Impreza is newer by 1 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 2,492 cc (6 cylinders), 2006 BMW Z4 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (189 HP @ 6000 RPM) has 31 more horse power than 2007 Subaru Impreza. (158 HP @ 6400 RPM). In normal driving conditions, 2006 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 2006 BMW Z4.
Because 2007 Subaru Impreza 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, 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, 2006 BMW Z4 (245 Nm @ 3500 RPM) has 59 more torque (in Nm) than 2007 Subaru Impreza. (186 Nm @ 3600 RPM). This means 2006 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2007 Subaru Impreza.
Compare all specifications:
| 2006 BMW Z4 | 2007 Subaru Impreza | |
| Make | BMW | Subaru |
| Model | Z4 | Impreza |
| Year Released | 2006 | 2007 |
| Body Type | Convertible | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 1994 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 189 HP | 158 HP |
| Engine RPM | 6000 RPM | 6400 RPM |
| Torque | 245 Nm | 186 Nm |
| Torque RPM | 3500 RPM | 3600 RPM |
| Engine Bore Size | 84 mm | 92 mm |
| Engine Stroke Size | 75 mm | 75 mm |
| Engine Compression Ratio | 11.0:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 235 km/hour | 203 km/hour |
| Acceleration 0-100mph | 7 seconds | 10.2 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1335 kg | 1345 kg |
| Vehicle Length | 4100 mm | 4450 mm |
| Vehicle Width | 1790 mm | 1700 mm |
| Vehicle Height | 1310 mm | 1490 mm |
| Wheelbase Size | 2500 mm | 2530 mm |
| Fuel Consumption Overall | 9 L/100km | 9.8 L/100km |
| Fuel Tank Capacity | 55 L | 60 L |
